Q460GJ-B - GB /T 19879-2023

Grade	Q460GJ-B
Corresponding Standard	GB /T 19879-2023 Steel Plate for building structure
Classification	Alloy Steel

Q460GJ-B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	Al ^①	More
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	0.015	V+Nb+Ti≤0.22%
Maximum Value	0.2	0.55	1.7	0.025	0.015	1.2	1.2	0.5	0.5	0.03	0.2	0.11	-	V+Nb+Ti≤0.22%

Q460GJ-B Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6≤t≤16	570~720	R_eH：≥460	≥18
16<t≤100	570~720	R_eH：460~590	≥18
100<t≤150	550~700	R_eH：440~570	≥18

Q460GJ-B Corresponding Standards(Same grade name, different standards)

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