Q500qD - GB /T 714-2015

Grade	Q500qD
Corresponding Standard	GB /T 714-2015 Structural steel for bridge
Classification	Alloy Steel

Q500qD Chemical Element Composition Content (%)

	Component	C	Si	Mn ^③	P	S	Cr	Ni	Cu	Mo	N	Ti ^①	V ^①	Nb ^①	B ^④	Al ^①②	H ^④
热机械轧制钢	Minimum Value	-	-	1	-	-	-	-	-	-	-	0.006	0.01	0.01	-	0.01	-
热机械轧制钢	Maximum Value	0.11	0.55	1.7	0.025	0.015	0.8	0.7	0.3	0.3	0.008	0.03	0.08	0.09	0.0005	0.045	0.0002

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti ^①	V ^①	Nb ^①	B ^⑤	Al ^①②	H ^④
调质钢	Minimum Value	-	-	0.8	-	-	-	-	-	-	-	0.006	0.01	0.005	0.0005	0.01	-
调质钢	Maximum Value	0.11	0.55	1.7	0.025	0.015	0.8	0.7	0.3	0.3	0.008	0.03	0.08	0.06	0.003	0.045	0.0002

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