SM400B - Q/ASB 320-2017

SM400B Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
板厚≤50mm	Minimum Value	-	-	0.6	-	-
板厚≤50mm	Maximum Value	0.2	0.35	1.5	0.03	0.03

	Component	C	Si	Mn	P	S
板厚>50~150mm	Minimum Value	-	-	0.6	-	-
板厚>50~150mm	Maximum Value	0.22	0.35	1.5	0.03	0.03

SM400B Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	400~510	≥245	≥18
16<t≤40	400~510	≥235	≥22
40<t≤100	400~510	≥215	≥24
100<t≤150	400~510	≥205	≥24

SM400B Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!