С355 S355 - GOST 27772-2015 - H2ABC

中文版

Grade	С355
Other Names
Corresponding Standard	GOST 27772-2015 Rolled Metal for Steel Building Structures
Classification	Alloy Steel

С355 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Ti	V	Nb	Al
Minimum Value	-	0.15	1	-	-	-	-	-	-	-	-	0.2
Maximum Value	0.14	0.8	1.8	0.025	0.025	0.3	0.3	0.3	0.035	0.08	0.06	0.06

С355 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
8≤t≤16	≥470	≥355	≥21	-20°C，-40°C: KCV≥34J/cm2
16＜t≤40	≥470	≥345	≥21	-20°C，-40°C: KCV≥34J/cm2
40＜t≤60	≥470	≥335	≥21	-20°C，-40°C: KCV≥34J/cm2
60＜t≤80	≥460	≥325	≥21	-20°C，-40°C: KCV≥34J/cm2
80＜t≤100	≥460	≥315	≥21	-20°C，-40°C: KCV≥34J/cm2
100＜t≤160	≥460	≥295	≥21	-20°C，-40°C: KCV≥34J/cm2

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