SN490B - JIS G 3136-2012

Grade	SN490B
Corresponding Standard	JIS G 3136-2012 Rolled Steels for Building Structure
Brand/Supplier	China -> BAOSTEEL
Classification	Carbon Steel

SN490B Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
板厚6~50mm	Minimum Value	-	-	-	-	-
板厚6~50mm	Maximum Value	0.18	0.55	1.65	0.03	0.015

	Component	C	Si	Mn	P	S
板厚50~100mm	Minimum Value	-	-	-	-	-
板厚50~100mm	Maximum Value	0.2	0.55	1.65	0.03	0.015

SN490B Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6≤t<12	490~610	≥325
12≤t≤40	490~610	325~445
40<t≤100	490~610	295~415
6≤t≤16			No. 1A Sample ≥17
16<t≤50			No. 1A Sample ≥21
40<t≤100			No. 4 Sample ≥23

SN490B Corresponding Standards(Same grade name, different standards)

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