{"id":16938,"date":"2026-04-24T08:34:30","date_gmt":"2026-04-24T08:34:30","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=16938"},"modified":"2026-04-24T08:35:47","modified_gmt":"2026-04-24T08:35:47","slug":"overhead-and-gantry-cranes-main-girder","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/tr\/posts\/overhead-and-gantry-cranes-main-girder\/","title":{"rendered":"Tavan ve Portal Vin\u00e7lerin Ana Kiri\u015fi: \u00c7elik Sistemlerin Nihai K\u0131lavuzu"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\u0130\u00e7indekiler<\/p><nav><ul><li><a href=\"#low-carbon-steel-top-choice-for-light-small-overhead-and-gantry-cranes\">D\u00fc\u015f\u00fck Karbonlu \u00c7elik: Hafif ve K\u00fc\u00e7\u00fck Tavan ve Portal Vin\u00e7ler \u0130\u00e7in En \u0130yi Se\u00e7im<\/a><ul><li><a href=\"#q-235-b-en-s-235-jr-astm-a-283\">Q235B (EN S235JR\/ASTM A283)<\/a><\/li><li><a href=\"#q-235-c-q-235-d-en-s-235-j-2-astm-a-1011\">Q235C\/Q235D (EN S235J2\/ASTM A1011)<\/a><\/li><\/ul><\/li><li><a href=\"#high-strength-low-alloy-steel-ideal-for-medium-heavy-duty-overhead-and-gantry-cranes\">Y\u00fcksek Mukavemetli D\u00fc\u015f\u00fck Ala\u015f\u0131ml\u0131 \u00c7elik: Orta ve A\u011f\u0131r Hizmet Tipi Tavan ve Portal Vin\u00e7ler \u0130\u00e7in \u0130dealdir<\/a><ul><li><a href=\"#q-355-b-en-s-355-jr-astm-a-572-gr-50\">Q355B (EN S355JR\/ASTM A572 Gr.50)<\/a><\/li><li><a href=\"#q-390-b-en-s-355-j-2-astm-a-572-gr-60\">Q390B (EN S355J2\/ASTM A572 Gr.60)<\/a><\/li><li><a href=\"#q-420-b-en-s-420-ml-astm-a-572-gr-70\">Q420B (EN S420ML\/ASTM A572 Gr.70)<\/a><\/li><\/ul><\/li><li><a href=\"#special-steel-choice-for-extreme-conditions\">\u00d6zel \u00c7elik: A\u015f\u0131r\u0131 Ko\u015fullarda Kullan\u0131lan Tavan ve Portal Vin\u00e7ler \u0130\u00e7in Tercih Edilen Se\u00e7enek<\/a><ul><li><a href=\"#q-460-ne-ens-460-nl-astm-a-537-cl-2\">Q460NE (ENS460NL\/ASTM A537 Cl.2)<\/a><\/li><li><a href=\"#q-355-nh-en-s-355-j-2-w-astm-a-588\">Q355NH (EN S355J2W\/ASTM A588)<\/a><\/li><li><a href=\"#q-450-nqr-1-en-s-355-k-2-w-astm-a-633-grade-c-d\">Q450NQR1 (EN S355K2W\/ASTM A633 S\u0131n\u0131f C\/D)<\/a><\/li><li><a href=\"#q-690-e-en-s-690-ql-astm-a-514-gr-b\">Q690E (EN S690QL\/ASTM A514 Gr.B)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Overhead-and-Gantry-Cranes-Main-Girder-The-Ultimate-Steel-Guide.png\" alt=\"\" class=\"wp-image-16939\"><\/figure>\n\n\n\n<p>Vin\u00e7lerin ana ta\u015f\u0131y\u0131c\u0131 yap\u0131s\u0131 olan ana kiri\u015f, genellikle a\u011f\u0131rl\u0131\u011f\u0131n\u0131n \u00f6nemli bir b\u00f6l\u00fcm\u00fcn\u00fc olu\u015fturur. <a href=\"https:\/\/www.dgcrane.com\/tr\/overhead-cranes\/\">Asma vin\u00e7<\/a> Ana kiri\u015f, toplam vin\u00e7 a\u011f\u0131rl\u0131\u011f\u0131n\u0131n 401-601 tonunu olu\u015ftururken, portal vin\u00e7lerin ana kiri\u015fi 301 tonun \u00fczerindedir. Ana kiri\u015fin \u00e7elik malzemesi, vincin genel y\u00fck ta\u015f\u0131ma kapasitesini, i\u015fletme g\u00fcvenli\u011fini ve toplam maliyetini do\u011frudan belirler. \u00c7in A\u011f\u0131r Makine Sanayi Birli\u011fi verilerine g\u00f6re, 651 tonun \u00fczerinde yap\u0131sal ar\u0131za, ana kiri\u015f \u00e7eli\u011fi ile i\u015fletme ko\u015fullar\u0131n\u0131n uyumsuzlu\u011fundan kaynaklanmaktad\u0131r. Ekipman risklerini azaltman\u0131za ve t\u00fcm se\u00e7im s\u00fcrecini optimize etmenize yard\u0131mc\u0131 olmak i\u00e7in, tavan ve portal vin\u00e7lerin ana ak\u0131m \u00e7elik malzemeleri i\u00e7in bir parametre kar\u015f\u0131la\u015ft\u0131rma tablosu derledik. A\u015fa\u011f\u0131daki metin, ana kiri\u015f i\u00e7in uygun \u00e7e\u015fitli \u00e7elik malzemelerin temel \u00f6zelliklerini analiz edecektir.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u00c7elik Malzeme<\/th><th>Ba\u015fvuru<\/th><th>\u00c7in (GB\/GB\/T)<\/th><th>Avrupa (EN10025)<\/th><th>ABD (ASTM\/AISC)<\/th><th>Akma Dayan\u0131m\u0131 (MPa)<\/th><\/tr><\/thead><tbody><tr><td>D\u00fc\u015f\u00fck Karbonlu \u00c7elik<\/td><td>\u226410t, tavan ve portal vin\u00e7ler<\/td><td>Q235B\/Q235C\/Q235D<\/td><td>S235JR\/S235J2<\/td><td>A283\/A1011<\/td><td>\u2265235<\/td><\/tr><tr><td rowspan=\"3\">Y\u00fcksek Mukavemetli D\u00fc\u015f\u00fck Ala\u015f\u0131ml\u0131 \u00c7elik<\/td><td>10t-50t, tavan ve portal vin\u00e7ler<\/td><td>Q355B<\/td><td>S355JR<\/td><td>A572 Gr.50<\/td><td>\u2265355<\/td><\/tr><tr><td rowspan=\"2\">50t-300t, tavan ve portal vin\u00e7<\/td><td>Q390B<\/td><td>S355J2<\/td><td>A572 Gr.60<\/td><td>\u2265390<\/td><\/tr><tr><td>Q420B<\/td><td>S420ML<\/td><td>A572 Gr.70<\/td><td>\u2265420<\/td><\/tr><tr><td rowspan=\"4\">\u00d6zel Uygulama \u00c7eli\u011fi<\/td><td rowspan=\"3\">d\u00fc\u015f\u00fck s\u0131cakl\u0131k, y\u00fcksek etkili b\u00f6lge, so\u011fuk iklimler, limanlar<\/td><td>Q460NE<\/td><td>S460NL<\/td><td>A537 Cl.2<\/td><td>\u2265460<\/td><\/tr><tr><td>Q355NH<\/td><td>S355J2W<\/td><td>A633 Gr.C\/D<\/td><td>\u2265355<\/td><\/tr><tr><td>Q690E<\/td><td>S690QL<\/td><td>A514 Gr.B<\/td><td>\u2265690<\/td><\/tr><tr><td>hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131k, d\u0131\u015f mekan kullan\u0131m\u0131, d\u00fc\u015f\u00fck bak\u0131m gereksinimi<\/td><td>Q450NQR1<\/td><td>S355K2W<\/td><td>A709 Gr.50W<\/td><td>\u2265450<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Ana ak\u0131m \u00e7elik malzemeler i\u00e7in parametre kar\u015f\u0131la\u015ft\u0131rma tablosu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"low-carbon-steel-top-choice-for-light-small-overhead-and-gantry-cranes\">D\u00fc\u015f\u00fck Karbonlu \u00c7elik: Hafif ve K\u00fc\u00e7\u00fck Tavan ve Portal Vin\u00e7ler \u0130\u00e7in En \u0130yi Se\u00e7im<\/h2>\n\n\n\n<p>M\u00fckemmel plastisite, kaynaklanabilirlik ve maliyet avantajlar\u0131yla d\u00fc\u015f\u00fck karbonlu \u00e7elik (\u00f6rne\u011fin Q235B \/ S235JR \/ A283), hafif y\u00fck ve d\u00fc\u015f\u00fck i\u015f g\u00fcc\u00fc uygulamalar\u0131nda kullan\u0131lan tavan ve portal vin\u00e7lerin ana kiri\u015fleri i\u00e7in ana ak\u0131m, uygun maliyetli bir malzemedir ve hafif hizmet tipi k\u00fc\u00e7\u00fck vin\u00e7ler (\u226420t) i\u00e7in malzeme pazar\u0131n\u0131n yakla\u015f\u0131k 221.000 tonunu (TP1T) ele ge\u00e7irmi\u015ftir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-235-b-en-s-235-jr-astm-a-283\"><strong>Q235B (EN S235JR\/ASTM A283)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1584\" height=\"1056\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q235B.jpg\" alt=\"\" class=\"wp-image-16941\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q235B.jpg 1584w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q235B-1536x1024.jpg 1536w\" sizes=\"(max-width: 1584px) 100vw, 1584px\" \/><\/figure>\n\n\n\n<p>Kald\u0131rma ekipmanlar\u0131nda kullan\u0131lan en yayg\u0131n d\u00fc\u015f\u00fck karbonlu \u00e7elik t\u00fcr\u00fc olan Q235B, \u00f6zellikle 5 tonluk vin\u00e7ler gibi hafif hizmet tipi, d\u00fc\u015f\u00fck i\u015f y\u00fck\u00fc s\u0131n\u0131f\u0131 vin\u00e7lerde yayg\u0131nd\u0131r. <a href=\"https:\/\/www.dgcrane.com\/tr\/double-girder-overhead-crane\/\">\u00e7ift kiri\u015fli tavan vin\u00e7leri<\/a> Depolarda kullan\u0131lan ve 3 tonluk tek kiri\u015fli tavan ve <a href=\"https:\/\/www.dgcrane.com\/tr\/gantry-cranes\/\">portal vin\u00e7ler<\/a> At\u00f6lyelerde kullan\u0131l\u0131r. Ba\u015fl\u0131ca kimyasal bile\u015fimi ve mekanik \u00f6zellikleri a\u015fa\u011f\u0131daki tabloda g\u00f6sterilmi\u015ftir:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim<\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.2%<\/td><td>Akma Gerilimi<\/td><td>\u2265235MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.35%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>370-500 MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>0.3%-0.7%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226527 J (20\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.045%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226521% (kal\u0131nl\u0131k \u2264 16 mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.045%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Yukar\u0131daki performans g\u00f6stergelerine dayanarak, Q235B&#39;nin temel avantajlar\u0131n\u0131 daha net bir \u015fekilde analiz edebiliriz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Y\u00fcksek D\u00fc\u015f\u00fck Karbon \u0130\u00e7eri\u011fi, M\u00fckemmel Kaynak Performans\u0131:<\/strong> Tavan ve portal vin\u00e7lerin ana kiri\u015fi yo\u011fun ve karma\u015f\u0131k bir kaynak yap\u0131s\u0131na sahiptir. Q235B&#39;nin d\u00fc\u015f\u00fck karbon i\u00e7eri\u011fi, geleneksel kaynak i\u015flemleriyle y\u00fcksek kaynak kalitesine olanak tan\u0131yarak kaynak kusurlar\u0131 olas\u0131l\u0131\u011f\u0131n\u0131 azalt\u0131r ve g\u00fc\u00e7l\u00fc \u00fcretim istikrar\u0131 sa\u011flar.<\/li>\n\n\n\n<li><strong>Orta Derecede Dayan\u0131kl\u0131, Genel Darbelere Kar\u015f\u0131 Diren\u00e7li:<\/strong> 20\u2103 oda s\u0131cakl\u0131\u011f\u0131nda en az 27 J darbe enerjisine sahip olan bu malzeme, iyi bir tokluk sunar. Tavan ve portal vin\u00e7 operasyonlar\u0131nda \u015foklar\u0131 ve titre\u015fimleri emer, ani y\u00fck de\u011fi\u015fikliklerinden kaynaklanan k\u0131r\u0131lgan k\u0131r\u0131lmaya kar\u015f\u0131 diren\u00e7 g\u00f6sterir ve daha g\u00fcvenli, daha g\u00fcvenilir yap\u0131sal performans sa\u011flar.<\/li>\n\n\n\n<li><strong>D\u00fc\u015f\u00fck Maliyet, M\u00fckemmel Maliyet Etkinli\u011fi:<\/strong> Q235B nispeten d\u00fc\u015f\u00fck \u00fcretim maliyetine sahiptir. Dahas\u0131, kapsaml\u0131 performans\u0131, \u00e7o\u011fu tavan ve portal vin\u00e7 \u00e7elik yap\u0131s\u0131n\u0131n uygulama gereksinimlerini kar\u015f\u0131layarak, g\u00fcvenlik ve g\u00fcvenilirli\u011fi sa\u011flarken \u00fcretim maliyetlerini etkin bir \u015fekilde azalt\u0131r ve y\u00fcksek maliyet etkinli\u011fi sa\u011flar.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Ancak, malzemenin mukavemet s\u0131n\u0131f\u0131 ve performans \u00f6zelliklerindeki s\u0131n\u0131rlamalar nedeniyle, Q235B&#39;nin de baz\u0131 k\u0131s\u0131tlamalar\u0131 vard\u0131r; bu nedenle:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00fc\u015f\u00fck Akma Mukavemeti: <\/strong>Q235B&#39;nin akma dayan\u0131m\u0131 yaln\u0131zca 235 MPa&#39;d\u0131r. A\u011f\u0131r y\u00fck ko\u015fullar\u0131nda, dayan\u0131m gereksinimlerini kar\u015f\u0131lamak i\u00e7in daha kal\u0131n \u00e7elik levhalar gereklidir, bu da yap\u0131sal a\u011f\u0131rl\u0131\u011f\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r ve a\u011f\u0131r hizmet ve y\u00fcksek frekansl\u0131 kullan\u0131m i\u00e7in uygun de\u011fildir.<\/li>\n\n\n\n<li><strong>Zay\u0131f Korozyon Direnci:<\/strong> Vin\u00e7 \u00e7elik yap\u0131lar\u0131 uzun s\u00fcre d\u0131\u015f etkenlere maruz kald\u0131\u011f\u0131 i\u00e7in Q235B korozyona yatk\u0131nd\u0131r, korozyon \u00f6nleyici kaplama gerektirir ve bu da onu y\u00fcksek derecede a\u015f\u0131nd\u0131r\u0131c\u0131 ortamlar i\u00e7in uygunsuz hale getirir.<\/li>\n\n\n\n<li><strong>D\u00fc\u015f\u00fck s\u0131cakl\u0131kl\u0131 ortamlara uygun de\u011fildir: <\/strong>Q235B yaln\u0131zca oda s\u0131cakl\u0131\u011f\u0131nda darbe dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 garanti eder. D\u00fc\u015f\u00fck s\u0131cakl\u0131klarda gevrek k\u0131r\u0131lmaya e\u011filimlidir. Bu nedenle, d\u00fc\u015f\u00fck s\u0131cakl\u0131k ortamlar\u0131nda do\u011frudan kullan\u0131m\u0131 gevrek k\u0131r\u0131lma nedeniyle g\u00fcvenlik riski olu\u015fturur ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k \u00e7eli\u011fi veya Q355D\/E s\u0131n\u0131f\u0131 \u00e7elik kullan\u0131lmas\u0131n\u0131 gerektirir.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-235-c-q-235-d-en-s-235-j-2-astm-a-1011\"><strong>Q235C\/Q235D (EN S235J2\/ASTM A1011)<\/strong><\/h3>\n\n\n\n<p>Q235C ve Q235D, Q235B&#39;nin d\u00fc\u015f\u00fck s\u0131cakl\u0131k dayan\u0131m\u0131 art\u0131r\u0131lm\u0131\u015f versiyonlar\u0131d\u0131r. Daha istikrarl\u0131 d\u00fc\u015f\u00fck s\u0131cakl\u0131k dayan\u0131kl\u0131l\u0131\u011f\u0131na, daha az safs\u0131zl\u0131\u011fa sahiptirler ve k\u0131\u015f\u0131n k\u0131r\u0131lganla\u015fmaya daha az e\u011filimlidirler; bu da onlar\u0131 g\u00fcvenlik, darbe dayan\u0131m\u0131 ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k stabilitesi konusunda daha y\u00fcksek gereksinimlere sahip tavan ve portal vin\u00e7ler i\u00e7in uygun hale getirir.&nbsp;<\/p>\n\n\n\n<p>Q235C, 0\u2103&#39;de \u2265 27 J darbe enerjisi gerektirir, ancak dayan\u0131kl\u0131l\u0131\u011f\u0131 -10\u2103&#39;nin alt\u0131nda \u00f6nemli \u00f6l\u00e7\u00fcde d\u00fc\u015fer. Q235D ise -20\u2103&#39;de \u2265 27 J darbe enerjisi gerektirir; bu da k\u0131\u015f\u0131n uzun s\u00fcreli d\u0131\u015f mekan kullan\u0131m\u0131nda d\u00fc\u015f\u00fck s\u0131cakl\u0131kta gevrek k\u0131r\u0131lmay\u0131 etkili bir \u015fekilde \u00f6nleyebilir ve en y\u00fcksek g\u00fcvenlik seviyesini sunar, ancak daha y\u00fcksek \u00fcretim maliyetleri ve daha y\u00fcksek bir fiyatla birlikte gelir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"high-strength-low-alloy-steel-ideal-for-medium-heavy-duty-overhead-and-gantry-cranes\">Y\u00fcksek Mukavemetli D\u00fc\u015f\u00fck Ala\u015f\u0131ml\u0131 \u00c7elik: Orta ve A\u011f\u0131r Hizmet Tipi Tavan ve Portal Vin\u00e7ler \u0130\u00e7in \u0130dealdir<\/h2>\n\n\n\n<p>Y\u00fcksek mukavemetli d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 \u00e7elik (HSLA olarak da bilinir), karbon yap\u0131 \u00e7eli\u011fine V, Nb ve Ti gibi eser miktarda ala\u015f\u0131m elementleri eklenerek \u00fcretilir. Mukavemet ve i\u015flenebilirli\u011fi dengeleyen bu \u00e7elik, \u015fu anda vin\u00e7 ana kiri\u015fleri i\u00e7in &quot;ana ak\u0131m malzeme&quot; konumundad\u0131r. Yerli vin\u00e7 ana kiri\u015f ve u\u00e7 kiri\u015f malzeme pazar\u0131n\u0131n 1&#39;inden fazlas\u0131n\u0131 olu\u015fturmakta ve 1&#39;den fazla genel ama\u00e7l\u0131 vin\u00e7 i\u00e7in ilk tercih konumundad\u0131r. \u00c7o\u011fu orta ve a\u011f\u0131r hizmet senaryosuna uygun olup, kullan\u0131m ve maliyet kontrol\u00fc ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131layarak al\u0131c\u0131lar i\u00e7in &quot;g\u00fcvenli bir se\u00e7im&quot; haline gelmektedir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-355-b-en-s-355-jr-astm-a-572-gr-50\"><strong>Q355B (EN S355JR\/ASTM A572 Gr.50)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1152\" height=\"768\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q355B.jpg\" alt=\"\" class=\"wp-image-16942\"><\/figure>\n\n\n\n<p>Yayg\u0131n olarak kullan\u0131lan d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 y\u00fcksek mukavemetli bir \u00e7elik olan Q355B, end\u00fcstride &quot;temel malzeme&quot; olup A3-A5 \u00e7al\u0131\u015fma s\u0131n\u0131f\u0131na sahip orta ve hafif tonajl\u0131 tavan ve portal vin\u00e7ler i\u00e7in uygundur. Ba\u015fl\u0131ca bile\u015fenleri \u015funlard\u0131r:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim <\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.24%<\/td><td>Akma Gerilimi<\/td><td>\u2265355MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.55%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>470-630 MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>\u22641.6%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226534 J (20\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.03%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226521% (kal\u0131nl\u0131k\u226416mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.035%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Bu temel parametreler, Q355B&#39;nin vin\u00e7ler i\u00e7in ana malzeme haline gelmesini sa\u011flayan kilit fakt\u00f6rlerdir ve bu durum a\u015fa\u011f\u0131daki avantajlarda kendini g\u00f6sterir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Y\u00fcksek Akma Mukavemeti Oran\u0131, Hafif Tasar\u0131m: <\/strong>\u00c7elik levha kal\u0131nl\u0131\u011f\u0131 &gt;16 mm oldu\u011funda, Q355B&#39;nin akma dayan\u0131m\u0131 Q235B&#39;ye g\u00f6re yakla\u015f\u0131k 51% daha y\u00fcksektir ve bu da ayn\u0131 y\u00fck ta\u015f\u0131ma kapasitesi alt\u0131nda 15%\u201325% a\u011f\u0131rl\u0131k azalmas\u0131na neden olur. Bu durum hem vincin kendi a\u011f\u0131rl\u0131\u011f\u0131n\u0131 hem de fabrikan\u0131n \u00fczerindeki y\u00fck ta\u015f\u0131ma bas\u0131nc\u0131n\u0131 azalt\u0131r.<\/li>\n\n\n\n<li><strong>D\u00fc\u015f\u00fck Karbon E\u015fde\u011feri, Daha \u0130yi Kaynaklanabilirlik:<\/strong> Kaynak s\u0131ras\u0131nda so\u011fuk \u00e7atlama riski d\u00fc\u015f\u00fckt\u00fcr. Q355B&#39;nin kal\u0131nl\u0131\u011f\u0131 \u226416 mm oldu\u011funda, \u00f6n \u0131s\u0131tma genellikle gereksizdir ve do\u011frudan kaynak yap\u0131labilir. Bu, \u00fcretim d\u00f6ng\u00fcs\u00fcn\u00fc k\u0131salt\u0131r ve \u00fcretim verimlili\u011fini art\u0131r\u0131r.<\/li>\n\n\n\n<li><strong>M\u00fckemmel D\u00fc\u015f\u00fck S\u0131cakl\u0131k Dayan\u0131kl\u0131l\u0131\u011f\u0131:<\/strong> Q355B, -20\u2103&#39;de darbe testlerinden ge\u00e7erek daha g\u00fc\u00e7l\u00fc d\u00fc\u015f\u00fck s\u0131cakl\u0131k adaptasyonuna sahiptir. So\u011fuk b\u00f6lgeler veya y\u00fcksek tokluk gerektiren yap\u0131lar i\u00e7in uygundur ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k ortamlar\u0131nda gevrek k\u0131r\u0131lmay\u0131 etkili bir \u015fekilde \u00f6nler.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Q355B genel olarak m\u00fckemmel performans sunsa da, \u00f6zellikle d\u00fc\u015f\u00fck s\u0131cakl\u0131k ve a\u015f\u0131nd\u0131r\u0131c\u0131 ko\u015fullarda, kal\u0131n levha kaynaklama, maliyet ve i\u015fleme zorlu\u011fu a\u00e7\u0131s\u0131ndan belirgin s\u0131n\u0131rlamalar\u0131 vard\u0131r. Spesifik dezavantajlar\u0131 \u015funlard\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u0131n\u0131rl\u0131 D\u00fc\u015f\u00fck S\u0131cakl\u0131k Performans\u0131:<\/strong> Q355B yaln\u0131zca 20 \u2103&#39;de nitelikli darbe dayan\u0131kl\u0131l\u0131\u011f\u0131 sa\u011flar. Dayan\u0131kl\u0131l\u0131\u011f\u0131 0 \u2103&#39;nin alt\u0131nda h\u0131zla azal\u0131r ve so\u011fuk depolarda veya dondurucu d\u0131\u015f mekanlarda kullan\u0131ld\u0131\u011f\u0131nda so\u011fuk k\u0131r\u0131lganl\u0131\u011f\u0131 riski y\u00fcksektir. Bu nedenle, a\u015f\u0131r\u0131 so\u011fuk ortamlarda kullan\u0131lamaz.<\/li>\n\n\n\n<li><strong>Kal\u0131n Levha Kaynak \u0130\u015fleminde Y\u00fcksek Zorluk:<\/strong> Q355B&#39;nin kal\u0131nl\u0131\u011f\u0131 25 mm&#39;yi a\u015ft\u0131\u011f\u0131nda, karbon e\u015fde\u011feri b\u00fcy\u00fck \u00f6l\u00e7\u00fcde artar ve kaynak \u00e7atlaklar\u0131 riski y\u00fckselir. Kaynak s\u0131ras\u0131nda \u00f6n \u0131s\u0131tma ve s\u0131k\u0131 s\u0131cakl\u0131k kontrol\u00fc gereklidir, bu da daha karma\u015f\u0131k i\u015flem prosed\u00fcrlerine yol a\u00e7ar.<\/li>\n\n\n\n<li><strong>Q235B&#39;den Daha Y\u00fcksek Maliyet:<\/strong> Q355B genellikle Q235B&#39;den 10%\u201315% daha pahal\u0131d\u0131r. Hafif hizmet uygulamalar\u0131 veya y\u00fck ta\u015f\u0131mayan bile\u015fenler i\u00e7in Q355B&#39;nin kullan\u0131lmas\u0131, maliyet avantaj\u0131 olmaks\u0131z\u0131n performans fazlal\u0131\u011f\u0131na neden olacakt\u0131r.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-390-b-en-s-355-j-2-astm-a-572-gr-60\"><strong>Q390B (EN S355J2\/ASTM A572 Gr.60<\/strong>)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q390B.jpg\" alt=\"\" class=\"wp-image-16944\"><\/figure>\n\n\n\n<p>390 MPa&#39;n\u0131n \u00fczerinde akma dayan\u0131m\u0131na sahip olan Q390B, \u00fcst\u00fcn y\u00fck ta\u015f\u0131ma kapasitesi ve yap\u0131sal g\u00fcvenlik sunar. Ayn\u0131 y\u00fck ko\u015fullar\u0131 alt\u0131nda, Q355B&#39;ye k\u0131yasla \u00e7elik t\u00fcketimini yakla\u015f\u0131k 151 ton azaltarak, y\u00fcksek mukavemet gerektiren tavan ve portal vin\u00e7lerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim <\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.2%<\/td><td>Akma Gerilimi<\/td><td>\u2265390MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.5%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>490-650 MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>\u22641.7%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226534 J (20\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.035%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226520% (kal\u0131nl\u0131k\u226416mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.035%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>D\u00fc\u015f\u00fck karbon i\u00e7eri\u011fi nedeniyle Q390B, su verme ve temperleme i\u00e7in uygun de\u011fildir. Bununla birlikte, m\u00fckemmel a\u015f\u0131nma direnci ve orta d\u00fczeyde korozyon direncine sahiptir ve atmosferik ko\u015fullardan ve belirli kimyasal ortamlardan kaynaklanan a\u015f\u0131nmaya dayanabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-420-b-en-s-420-ml-astm-a-572-gr-70\"><strong>Q420B (EN S420ML\/ASTM A572 Gr.70<\/strong>)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1728\" height=\"1152\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q420B.jpg\" alt=\"\" class=\"wp-image-16945\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q420B.jpg 1728w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q420B-1536x1024.jpg 1536w\" sizes=\"(max-width: 1728px) 100vw, 1728px\" \/><\/figure>\n\n\n\n<p>Q420B, ultra y\u00fcksek mukavemetli bir \u00e7eliktir. Buna g\u00f6re <em>\u00c7in \u00c7elik Yap\u0131 Sanayinin Geli\u015fim Durumu ve \u00c7elik Talebinin Analizi<\/em>Q420B, 501.000 tondan fazla y\u00fcksek mukavemetli \u00e7elik i\u00e7erir ve \u00e7o\u011funlukla in\u015faat, k\u00f6pr\u00fc veya a\u011f\u0131r ekipman gibi \u00e7elik yap\u0131larda, \u00f6rne\u011fin 50-300 tonluk portal vin\u00e7lerin veya liman makinelerinin ana kiri\u015flerinde kullan\u0131l\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim <\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.2%<\/td><td>Akma Gerilimi<\/td><td>\u2265420MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.55%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>520-680 MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>\u22641.7%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226534 J (20\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.035%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226518% (kal\u0131nl\u0131k\u226416mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.035%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ancak, Q420B \u00e7elik levhalar\u0131n kal\u0131nl\u0131\u011f\u0131 artt\u0131k\u00e7a, akma dayan\u0131m\u0131 kademeli olarak azal\u0131r. \u00d6rne\u011fin, kal\u0131nl\u0131k \u226416 mm oldu\u011funda akma dayan\u0131m\u0131 \u2265420 MPa iken, kal\u0131nl\u0131k &gt;50 mm oldu\u011funda akma dayan\u0131m\u0131 yaln\u0131zca \u2265360 MPa&#39;d\u0131r. Bu nedenle, ultra kal\u0131n levha uygulamalar\u0131nda, dayan\u0131m gereksinimlerini kar\u015f\u0131lamak i\u00e7in prosesin optimize edilmesi veya daha y\u00fcksek kaliteli \u00e7elik se\u00e7ilmesi gerekir ve buna ba\u011fl\u0131 olarak maliyet de artacakt\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"special-steel-choice-for-extreme-conditions\">\u00d6zel \u00c7elik: A\u015f\u0131r\u0131 Ko\u015fullarda Kullan\u0131lan Tavan ve Portal Vin\u00e7ler \u0130\u00e7in Tercih Edilen Se\u00e7enek<\/h2>\n\n\n\n<p>\u00d6zel \u00e7elik, a\u015f\u0131r\u0131 \u00e7al\u0131\u015fma ko\u015fullar\u0131 alt\u0131nda \u00e7al\u0131\u015fan tavan ve portal vin\u00e7lerin ana kiri\u015fi i\u00e7in \u00f6zel olarak \u00fcretilmi\u015f bir malzemedir. D\u00fc\u015f\u00fck karbonlu \u00e7elik ve y\u00fcksek mukavemetli d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 \u00e7elikten farkl\u0131d\u0131r. Hassas ala\u015f\u0131m oran\u0131 ve proses optimizasyonu sayesinde, a\u015f\u0131r\u0131 so\u011fuk, y\u00fcksek tuz p\u00fcsk\u00fcrtmesi, g\u00fc\u00e7l\u00fc korozyon, ultra b\u00fcy\u00fck tonajl\u0131 a\u011f\u0131r y\u00fck ve y\u00fcksek frekansl\u0131 s\u00fcrekli \u00e7al\u0131\u015fma gibi senaryolarda geleneksel \u00e7eli\u011fin performans eksikliklerinin \u00fcstesinden gelir ve zorlu ortamlarda ekipman g\u00fcvenli\u011fi ve uzun s\u00fcreli \u00e7al\u0131\u015fma i\u00e7in temel destek haline gelir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-460-ne-ens-460-nl-astm-a-537-cl-2\"><strong>Q460NE (ENS460NL\/ASTM A537 Cl.2)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q460NE.jpg\" alt=\"\" class=\"wp-image-16946\"><\/figure>\n\n\n\n<p>Q460NE, zorlu \u00e7al\u0131\u015fma ko\u015fullar\u0131 i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015f, korozyona dayan\u0131kl\u0131 d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 bir \u00e7eliktir. Kalitedeki &quot;N&quot; harfi hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131\u011f\u0131, &quot;E&quot; harfi ise -40\u00b0C&#39;lik d\u00fc\u015f\u00fck s\u0131cakl\u0131k darbe dayan\u0131m\u0131n\u0131 g\u00f6sterir. S\u0131radan \u00e7eli\u011fe k\u0131yasla, a\u011f\u0131r hizmet yap\u0131lar\u0131n\u0131n mukavemet gereksinimlerini kar\u015f\u0131lar ve a\u015f\u0131r\u0131 so\u011fuk, y\u00fcksek nemli ve tuz p\u00fcsk\u00fcrtmeli ortamlarda uzun s\u00fcre istikrarl\u0131 bir \u015fekilde \u00e7al\u0131\u015fabilir. Ba\u015fl\u0131ca performans parametreleri a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim <\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.18%<\/td><td>Akma Gerilimi<\/td><td>\u2265460MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.55%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>540-720 MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>1.0%-1.6%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226520 J ( -40\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.02%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226517% (kal\u0131nl\u0131k\u226416mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.025%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Hem hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131kta hem de d\u00fc\u015f\u00fck s\u0131cakl\u0131k performans\u0131nda \u00e7ift y\u00f6nl\u00fc iyile\u015fme sa\u011flamak i\u00e7in Q460NE form\u00fclasyonuna \u00f6zel ala\u015f\u0131m elementleri eklenmi\u015ftir. Her bir elementin i\u00e7eri\u011fi ve i\u015flevi a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ala\u015f\u0131ml\u0131 Elementler<\/th><th>\u0130\u00e7eri\u011fin \u00dcst S\u0131n\u0131r\u0131<\/th><th>Ana Fonksiyon<\/th><\/tr><\/thead><tbody><tr><td>Krom (Cr)<\/td><td>\u22640.30%<\/td><td>Korozyon direncini art\u0131r\u0131n ve doku stabilitesini geli\u015ftirin.<\/td><\/tr><tr><td>Nikel (Ni)<\/td><td>\u22640.80%<\/td><td>D\u00fc\u015f\u00fck s\u0131cakl\u0131k toklu\u011funu \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirir ve s\u00fcnek-gevrek ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr.<\/td><\/tr><tr><td>Bak\u0131r (Cu)<\/td><td>\u22640.40%<\/td><td>Atmosferik korozyon direncini iyile\u015ftirin<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u00d6zetle, d\u00fc\u015f\u00fck karbonlu tasar\u0131m ve Cr, Ni ve Cu gibi ala\u015f\u0131m elementlerinin sinerjik etkisi sayesinde Q460NE, y\u00fcksek nem ve y\u00fcksek tuzlu ortamlar\u0131n mekanik ve dayan\u0131kl\u0131l\u0131k gereksinimlerini kar\u015f\u0131layabilir. -40\u2103 gibi a\u015f\u0131r\u0131 d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda bile Q460NE, iyi darbe dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 koruyarak d\u00fc\u015f\u00fck s\u0131cakl\u0131klar\u0131n neden oldu\u011fu malzeme k\u0131r\u0131lganl\u0131\u011f\u0131n\u0131 etkili bir \u015fekilde \u00f6nler. Bu, a\u015f\u0131r\u0131 so\u011fuk b\u00f6lgelerdeki m\u00fchendislik yap\u0131lar\u0131nda sa\u011flam bir g\u00fcvenlik bariyeri sa\u011flayarak ekipman g\u00fcvenilirli\u011fini ve \u00e7al\u0131\u015fma verimlili\u011fini art\u0131r\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-355-nh-en-s-355-j-2-w-astm-a-588\"><strong>Q355NH (EN S355J2W\/ASTM A588<\/strong>)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"960\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q355NH.jpg\" alt=\"\" class=\"wp-image-16947\"><\/figure>\n\n\n\n<p>Q355NH, hava ko\u015fullar\u0131na dayan\u0131kl\u0131 \u00e7elik olarak da bilinen, atmosferik korozyona dayan\u0131kl\u0131 bir \u00e7elik levhad\u0131r. &quot;N&quot; ve &quot;H&quot; de\u011fi\u015ftiricileri genellikle normalle\u015ftirme ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k toklu\u011funun iyile\u015ftirilmesi gereksinimlerini temsil eder. Normalle\u015ftirme (faz d\u00f6n\u00fc\u015f\u00fcm s\u0131cakl\u0131\u011f\u0131n\u0131n \u00fczerinde bekletme ve ard\u0131ndan hava ile so\u011futma), taneleri incelterek daha ince bir ferrit-perlit yap\u0131s\u0131 olu\u015fturur ve \u00f6zellikleri kal\u0131nl\u0131k y\u00f6n\u00fcnde daha homojen hale getirir.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim <\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.16%<\/td><td>Akma Gerilimi<\/td><td>\u2265355MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.5%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>490-630 MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>0.5%-1.5%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226534 J (-40\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.03%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226517% (kal\u0131nl\u0131k\u226416mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.03%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>D\u00fc\u015f\u00fck karbonlu \u00e7eli\u011fe k\u0131yasla, Q355NH, form\u00fcl\u00fcne eklenen belirli ala\u015f\u0131m elementleri sayesinde hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131kta 2-8 kat daha fazla iyile\u015fme sa\u011flar.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ala\u015f\u0131ml\u0131 Elementler<\/th><th>\u0130\u00e7eri\u011fin \u00dcst S\u0131n\u0131r\u0131<\/th><th>Ana Fonksiyon<\/th><\/tr><\/thead><tbody><tr><td>Krom (Cr)<\/td><td>0.4%-0.8%<\/td><td>Korozyon direncini art\u0131r\u0131n ve doku stabilitesini geli\u015ftirin.<\/td><\/tr><tr><td>Nikel (Ni)<\/td><td>\u22640.65%<\/td><td>D\u00fc\u015f\u00fck s\u0131cakl\u0131k toklu\u011funu \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirir ve s\u00fcnek-gevrek ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr.<\/td><\/tr><tr><td>Bak\u0131r (Cu)<\/td><td>0.25%-0.55%<\/td><td>Atmosferik korozyon direncini iyile\u015ftirin<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>G\u00f6r\u00fcld\u00fc\u011f\u00fc \u00fczere, Q355NH, s\u0131radan yap\u0131sal \u00e7eli\u011fin mukavemetini, toklu\u011funu ve kaynaklanabilirli\u011fini korurken, ayn\u0131 zamanda y\u00fcksek kaliteli \u00e7eli\u011fin s\u00fcnekli\u011fini, korozyon direncini, y\u00fcksek s\u0131cakl\u0131k direncini ve yorulma direncini de ta\u015f\u0131maktad\u0131r. Dahas\u0131, Q355NH&#39;nin boyanabilirli\u011fi, s\u0131radan karbon \u00e7eli\u011fine g\u00f6re 1,5-10 kat daha fazlad\u0131r. Bu nedenle, s\u0131k boyama ve bak\u0131m ihtiyac\u0131n\u0131 ortadan kald\u0131rarak, d\u0131\u015f mekan vin\u00e7lerinin toplam ya\u015fam d\u00f6ng\u00fcs\u00fc maliyetini etkili bir \u015fekilde azalt\u0131r. Paslanmaya ve korozyona kar\u015f\u0131 direnci, bile\u015fenlerin hizmet \u00f6mr\u00fcn\u00fc uzat\u0131r ve malzeme t\u00fcketimini azalt\u0131r; bu da onu d\u0131\u015f mekan ve k\u0131y\u0131 ortamlar\u0131 gibi karma\u015f\u0131k \u00e7al\u0131\u015fma ko\u015fullar\u0131nda vin\u00e7 yap\u0131sal bile\u015fenleri i\u00e7in tercih edilen \u00e7elik haline getirir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-450-nqr-1-en-s-355-k-2-w-astm-a-633-grade-c-d\"><strong>Q450NQR1 (EN S355K2W\/ASTM A633 S\u0131n\u0131f C\/D)<\/strong>)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q450NQR1.jpg\" alt=\"\" class=\"wp-image-16948\"><\/figure>\n\n\n\n<p>Q450NQR1, a\u011f\u0131rl\u0131\u011f\u0131n\u0131 azaltan ve m\u00fckemmel d\u00fc\u015f\u00fck s\u0131cakl\u0131k darbe dayan\u0131kl\u0131l\u0131\u011f\u0131na ve atmosferik korozyon direncine sahip y\u00fcksek mukavemetli bir hava ko\u015fullar\u0131na dayan\u0131kl\u0131 \u00e7eliktir; bu da onu \u00e7e\u015fitli a\u015f\u0131r\u0131 iklimlerde kullan\u0131m i\u00e7in uygun hale getirir. NQR, atmosferik korozyona dayan\u0131kl\u0131 (hava ko\u015fullar\u0131na dayan\u0131kl\u0131) \u00e7eli\u011fi temsil eder; bu, \u00f6zellikle d\u0131\u015f mekan, k\u0131y\u0131 ve di\u011fer a\u015f\u0131nd\u0131r\u0131c\u0131 ortamlar i\u00e7in tasarlanm\u0131\u015f y\u00fcksek mukavemetli d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 bir \u00e7eliktir; 1 ise belirli bir ala\u015f\u0131m oran\u0131n\u0131 ve performans seviyesini temsil eden kalite serisi numaras\u0131d\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim <\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.12%<\/td><td>Akma Gerilimi<\/td><td>\u2265450MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.75%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>\u2265550MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>\u22641.5%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226560 J (-40\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.008%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226520% (kal\u0131nl\u0131k\u226414mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.025%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Yukar\u0131da belirtilen temel \u00f6zelliklerden de g\u00f6r\u00fclebilece\u011fi gibi, Q450NQR1 ala\u015f\u0131m elementlerinin hassas oran\u0131ndan kaynaklanan y\u00fcksek mukavemet, hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131k ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k toklu\u011fu olmak \u00fczere \u00fc\u00e7l\u00fc avantaj\u0131 bir arada sunmaktad\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ala\u015f\u0131ml\u0131 Elementler<\/th><th>\u0130\u00e7eri\u011fin \u00dcst S\u0131n\u0131r\u0131<\/th><th>Ana Fonksiyon<\/th><\/tr><\/thead><tbody><tr><td>Krom (Cr)<\/td><td>0.3%-1.25%<\/td><td>Korozyon direncini art\u0131r\u0131n ve doku stabilitesini geli\u015ftirin.<\/td><\/tr><tr><td>Nikel (Ni)<\/td><td>0.125-0.65%<\/td><td>D\u00fc\u015f\u00fck s\u0131cakl\u0131k toklu\u011funu \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirir ve s\u00fcnek-gevrek ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr.<\/td><\/tr><tr><td>Bak\u0131r (Cu)<\/td><td>0.25%-0.55%<\/td><td>Atmosferik korozyon direncini iyile\u015ftirin<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>D\u00fc\u015f\u00fck karbon ve son derece d\u00fc\u015f\u00fck k\u00fck\u00fcrt i\u00e7eri\u011fiyle, Cr, Ni ve Cu ala\u015f\u0131m elementlerinin sinerjik etkisini bir araya getiren Q450NQR1, hava ko\u015fullar\u0131na dayan\u0131kl\u0131 \u00e7elik end\u00fcstrisi standartlar\u0131n\u0131n gereksinimlerini kar\u015f\u0131layan m\u00fckemmel kapsaml\u0131 bir performansa sahiptir. Y\u00fcksek mukavemet, hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131k ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k toklu\u011fu aras\u0131nda bir denge kurarak, limanlar ve a\u00e7\u0131k hava depolama alanlar\u0131 gibi a\u011f\u0131r i\u015f ko\u015fullar\u0131ndaki vin\u00e7ler i\u00e7in ideal bir malzeme haline gelir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"q-690-e-en-s-690-ql-astm-a-514-gr-b\"><strong>Q690E (EN S690QL\/ASTM A514 Gr.B)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Q690E.jpg\" alt=\"\" class=\"wp-image-16949\"><\/figure>\n\n\n\n<p>Q690E y\u00fcksek mukavemetli bir malzemedir. Lazer kaynak ve gerilim giderme i\u015flemleriyle, end\u00fcstri ortalamas\u0131na k\u0131yasla a\u011f\u0131rl\u0131\u011f\u0131 151 ton azalt\u0131labilir, ta\u015f\u0131ma kapasitesi 251 ton art\u0131r\u0131labilir ve yorulma \u00f6mr\u00fc 371 ton uzat\u0131labilir. A7 a\u011f\u0131r hizmet \u00e7al\u0131\u015fma seviyesini kar\u015f\u0131lar ve metalurji sekt\u00f6r\u00fcndeki 300 tonluk pota vin\u00e7leri ve gemi in\u015fa sekt\u00f6r\u00fcndeki 200 tonluk g\u00f6vde kesit kald\u0131rma vin\u00e7leri gibi b\u00fcy\u00fck tonajl\u0131, y\u00fcksek performansl\u0131 \u00f6zel vin\u00e7ler i\u00e7in uygundur. Temel bile\u015fenleri ve mekanik \u00f6zellikleri a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kimyasal Bile\u015fim <\/th><th>Kalite Puan\u0131<\/th><th>Mekanik \u00d6zellikler<\/th><th>Parametreler<\/th><\/tr><\/thead><tbody><tr><td>Karbon (C)<\/td><td>\u22640.18%<\/td><td>Akma Gerilimi<\/td><td>\u2265690MPa<\/td><\/tr><tr><td>Silikon (Si)<\/td><td>\u22640.6%<\/td><td>\u00c7ekme Mukavemeti<\/td><td>770-940 MPa<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>\u22642.0%<\/td><td>Darbe Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/td><td>\u226534 J (-20\u2103&#39;de Darbe Testi)<\/td><\/tr><tr><td>K\u00fck\u00fcrt (S)<\/td><td>\u22640.025%<\/td><td>Y\u00fczde Uzama<\/td><td>\u226514% (kal\u0131nl\u0131k\u226416mm)<\/td><\/tr><tr><td>Fosfor (P)<\/td><td>\u22640.03%<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Bu arada, hafiflik ve y\u00fcksek mukavemet gibi iki hedefi birden ger\u00e7ekle\u015ftirmek i\u00e7in Q690E, belirli ala\u015f\u0131m elementleri ekleyerek mikro yap\u0131s\u0131n\u0131 ve \u00f6zelliklerini optimize eder. Her bir temel elementin i\u00e7eri\u011fi ve i\u015flevi a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ala\u015f\u0131ml\u0131 Elementler<\/th><th>\u0130\u00e7eri\u011fin \u00dcst S\u0131n\u0131r\u0131<\/th><th>Ana Fonksiyon<\/th><\/tr><\/thead><tbody><tr><td>Krom (Cr)<\/td><td>\u22641.0%<\/td><td>Korozyon direncini art\u0131r\u0131n ve doku stabilitesini geli\u015ftirin.<\/td><\/tr><tr><td>Nikel (Ni)<\/td><td>\u22640.8%<\/td><td>D\u00fc\u015f\u00fck s\u0131cakl\u0131k toklu\u011funu \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirir ve s\u00fcnek-gevrek ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr.<\/td><\/tr><tr><td>Bak\u0131r (Cu)<\/td><td>\u22640.5%<\/td><td>Atmosferik korozyon direncini iyile\u015ftirin<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Bu nedenle, Q690E son derece y\u00fcksek y\u00fck ta\u015f\u0131ma kapasitesine sahiptir; bu da ana kiri\u015fin kesit boyutunu azalt\u0131rken y\u00fck \u00fcst s\u0131n\u0131r\u0131n\u0131 art\u0131rabilir. Ayr\u0131ca m\u00fckemmel d\u00fc\u015f\u00fck s\u0131cakl\u0131k dayan\u0131kl\u0131l\u0131\u011f\u0131na ve iyi yorulma direncine sahip olmas\u0131, onu y\u00fcksek frekansl\u0131, a\u011f\u0131r y\u00fck alt\u0131nda s\u00fcrekli \u00e7al\u0131\u015fma i\u00e7in uygun hale getirir, ancak maliyeti nispeten y\u00fcksektir ve ger\u00e7ek y\u00fck ta\u015f\u0131ma gereksinimlerine g\u00f6re se\u00e7ilmelidir.<\/p>\n\n\n\n<p>Vin\u00e7 \u00e7elik yap\u0131 malzemeleri alan\u0131nda 20 y\u0131l\u0131 a\u015fk\u0131n uzmanl\u0131\u011f\u0131m\u0131zla, <strong>DGCRANE<\/strong> Malzeme se\u00e7iminin her detay\u0131n\u0131n, farkl\u0131 tonaj de\u011ferleri, \u00e7al\u0131\u015fma s\u0131n\u0131flar\u0131 ve i\u015fletme ortamlar\u0131 alt\u0131nda ekipman\u0131n g\u00fcvenlik fakt\u00f6r\u00fcn\u00fc, hizmet \u00f6mr\u00fcn\u00fc ve toplam maliyetini do\u011frudan belirledi\u011finin fark\u0131ndad\u0131r. <strong>DGCRANE<\/strong> A\u015f\u0131r\u0131 so\u011fuk, y\u00fcksek tuz p\u00fcsk\u00fcrtmesi ve s\u00fcrekli a\u011f\u0131r hizmet operasyonu gibi ger\u00e7ek \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131za g\u00f6re uyarlanm\u0131\u015f, Q355B, Q460NE ve Q690E dahil olmak \u00fczere uluslararas\u0131 standartlara uygun t\u00fcm \u00e7elik kalitelerini hassas bir \u015fekilde tedarik edebilir ve hem geleneksel hem de \u00f6zel senaryolar i\u00e7in malzeme taleplerini tam olarak kar\u015f\u0131layabiliriz.<\/p>\n\n\n\n<p><strong>DGCRANE<\/strong> \u00d6zelle\u015ftirilmi\u015f malzeme dan\u0131\u015fmanl\u0131\u011f\u0131, \u00f6zel kesim, kaynak ve korozyon \u00f6nleyici \u00f6n i\u015flemden, tam kalite takibine ve sat\u0131\u015f sonras\u0131 garanti deste\u011fine kadar tek elden, eksiksiz s\u00fcre\u00e7 \u00e7\u00f6z\u00fcmleri sunuyoruz. Kaynaktan se\u00e7im risklerinden ka\u00e7\u0131nman\u0131za yard\u0131mc\u0131 olarak daha g\u00fcvenli vin\u00e7 i\u015fletimi, daha dayan\u0131kl\u0131 yap\u0131lar ve daha iyi kontrol edilen genel maliyetler sa\u011fl\u0131yoruz.<\/p>","protected":false},"excerpt":{"rendered":"Vin\u00e7lerin ana kiri\u015fi, vin\u00e7lerin birincil y\u00fck ta\u015f\u0131y\u0131c\u0131 yap\u0131s\u0131 olarak, a\u011f\u0131rl\u0131\u011f\u0131n\u0131n \u00f6nemli bir b\u00f6l\u00fcm\u00fcn\u00fc olu\u015fturur. Tavan vin\u00e7lerinin ana kiri\u015fi, toplam vin\u00e7 a\u011f\u0131rl\u0131\u011f\u0131n\u0131n %401-601 tonunu olu\u015ftururken, portal vin\u00e7lerin ana kiri\u015fi %301 tonun \u00fczerindedir. Ana kiri\u015fin \u00e7elik malzemesi, genel y\u00fck ta\u015f\u0131ma kapasitesini, i\u015fletme g\u00fcvenli\u011fini ve [\u2026]","protected":false},"featured_media":16939,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[351],"posts_tag":[206,54,6],"class_list":["post-16938","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-blog","posts_tag-dgcrane","posts_tag-gantry-crane","posts_tag-overhead-crane"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts\/16938"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":10,"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts\/16938\/revisions"}],"predecessor-version":[{"id":16959,"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts\/16938\/revisions\/16959"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/media\/16939"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/media?parent=16938"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/posts_category?post=16938"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/tr\/wp-json\/wp\/v2\/posts_tag?post=16938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}