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S420NL簡(jiǎn)介

牌號(hào) S420NL
歐標(biāo)鋼號(hào) 1.8912
對(duì)應(yīng)標(biāo)準(zhǔn) EN 10025-3-2004
熱軋結(jié)構(gòu)鋼鋼材 第3部分：正火/正火軋制可焊接的細(xì)晶結(jié)構(gòu)鋼
Hot rolled products of structural steels - Part 3: Technical delivery conditions for normalized/normalized rolled weldable fine grain structural steels
S420NL 化學(xué)元素成分含量(%)
成分 C Si Mn P ① S ①② Cr Ni Cu ④ Mo N Ti V Nb Al ③
最小值 - - 1 - - - - - - - - - - 0.02
最大值 0.2 0.6 1.7 0.025 0.02 0.3 0.8 0.55 0.1 0.025 0.05 0.2 0.05 -
① For long products the P and S content can be 0.005% higher.
② For railway applications a maximum S content of 0.010% may be agreed at the time of enquiry and order.
③ If sufficient other N-binding elements are present the minimum total Al content does not apply.
④ Cu content above 0.40% may cause hot shortness during hot forming.
1 近似對(duì)照表 承壓扁鋼制
國(guó)際標(biāo)準(zhǔn)組織 歐標(biāo)
ISO 數(shù)字牌號(hào) EN 數(shù)字牌號(hào)
P420NL1 1.8912 S420NL 1.8912
2 近似對(duì)照表 結(jié)構(gòu)、壓力容器和工程鋼
中國(guó) 美國(guó) 德國(guó) 法國(guó) 歐標(biāo) 英國(guó)
GB ASTM DIN EN/DIN NF EN/NF EN 數(shù)字牌號(hào) BS EN/BS
Q420E A572Gr.60
A633E
A633Gr.E
A738Gr.C 		TStE420 E420FP S420NL
FeE420KTN① 		1.8912 50F
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