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E355簡(jiǎn)介

牌號(hào) E355
歐標(biāo)鋼號(hào) 1.0580
對(duì)應(yīng)標(biāo)準(zhǔn) EN 10305-2-2002
精密儀器用鋼管.交貨技術(shù)條件.焊接冷拔鋼管
Steel tubes for precision applications - Technical delivery conditions - Welded cold drawn tubes
歸類 碳鋼
標(biāo)簽 精密鋼管
E355 化學(xué)元素成分含量(%)
成分 C Si Mn P S
最小值 - - - - -
最大值 0.22 0.55 1.6 0.025 0.025
①Elements not included in this Table (but see footnote *) shall not be intentionally added to the steel without the agreement of the purchaser, except for elements which may be added for finishing the cast. All appropriate measures shall be taken to prevent the addition of undesirable elements from scrap or other materials used in the steel making process. *Additions of Nb, Ti and V are permitted at the discretion of the manufacturer. The content of these elements shall be reported. 碳當(dāng)量計(jì)算
E355 機(jī)械性能
交貨狀態(tài) 抗拉強(qiáng)度
σb
Mpa 		屈服點(diǎn)
σs
Mpa 		斷后伸長(zhǎng)率或延伸率
δ
%
+C ≥640 ≥0.8σb ≥4
+LC ≥590 ≥0.7σb ≥6
+SR ≥590 ≥435 ≥10
+A ≥450 ≥0.5σb ≥22
+N 490~630 *
≥355		 ≥22
① +C=Cold drawn / hard(冷拔/硬化)；② +LC =Cold drawn / soft(冷拔/軟化)；③ +SR=Cold drawn and stress relieved(冷拔并去除應(yīng)力)；④ +A=Annealed(退火)；⑤ +N=Normalized(正火)
*For tubes with outside diameter ≤ 30 mm and wall thickness ≤ 3 mm the ReH minimum values are 10 MPa lower than the values given in this Table.
注：表中σs為上屈服強(qiáng)度ReH
近似對(duì)照表 優(yōu)質(zhì)碳素結(jié)構(gòu)鋼
中國(guó) 美國(guó) 國(guó)際標(biāo)準(zhǔn)組織 德國(guó) 法國(guó) 歐標(biāo) 俄羅斯 瑞典 英國(guó)
GB ASTM ISO DIN EN/DIN W-Nr. NF EN/NF EN 數(shù)字牌號(hào) GOST SS BS EN/BS
Q390C Gr.65 Fe590 E355
St52
St52-3 		1.0060 E335
ES355
TS-47a
TU526 		E355 1.0580 St6sp 1650 CEW5
CFS5
E335
ERW5NKM
ERW5NZF
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