Q420qC L14203 - GB /T 714-2008

Grade	Q420qC
China ISC	L14203
Corresponding Standard	GB /T 714-2008 Structural Steel for Bridge
Classification	Carbon Steel

Q420qC Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti ^①	V ^①	Nb ^①	B	Al ^②
Minimum Value	-	-	1	-	-	-	-	-	-	-	-	-	-	-	0.015
Maximum Value	0.18	0.55	1.7	0.03	0.025	0.8	0.7	0.55	0.35	0.012	0.03	0.08	0.06	0.004	-

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