Q420qDNH - GB /T 714-2015

Grade	Q420qDNH
Corresponding Standard	GB /T 714-2015 Structural Steel for Bridge
Classification	Alloy Steel

Q420qDNH Chemical Element Composition Content (%)

	Component	C	Si	Mn ^④	P	S	Cr	Ni	Cu	Mo	N	Ti ^①	V ^①	Nb ^①	B ^③	Al ^①②	H ^③
调质钢	Minimum Value	-	0.15	1.1	-	-	0.4	0.3	0.25	-	-	0.006	0.01	0.01	0.0005	0.015	-
调质钢	Maximum Value	0.11	0.5	1.5	0.025	0.015	0.7	0.4	0.5	0.2	0.008	0.03	0.1	0.1	0.003	0.05	0.0002

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