SM490B - Q/ASB 320-2017

SM490B Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
板厚≤50mm	Minimum Value	-	-	-	-	-
板厚≤50mm	Maximum Value	0.18	0.55	1.65	0.03	0.025

	Component	C	Si	Mn	P	S
板厚>50~150mm	Minimum Value	-	-	-	-	-
板厚>50~150mm	Maximum Value	0.2	0.55	1.65	0.03	0.025

SM490B Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	490~610	≥325	≥17
16<t≤40	490~610	≥315	≥21
40<t≤100	490~610	≥295	≥23
100<t≤150	490~610	≥285	≥23

SM490B 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"!