Q370R - GB 713-2014

Grade	Q370R
Corresponding Standard	GB 713-2014 Steel plates for boilers and pressure vessels
Classification	Carbon Steel

Q370R Chemical Element Composition Content (%)

Component	C ^①	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	More
Minimum Value	-	-	1.2	-	-	-	-	-	-	-	-	0.015	Cu+Ni+Cr+Mo≤0.70
Maximum Value	0.18	0.55	1.7	0.02	0.01	0.3	0.3	0.3	0.08	0.03	0.05	0.05	Cu+Ni+Cr+Mo≤0.70

1 Approximate Comparison Table

China	International Organization for Standardization
GB	ISO
Q370R GB/T 713-2008	HS390D ISO 4999-1999

2 Approximate Comparison Table

China	International Organization for Standardization	European Standard
GB	ISO	EN
Q370R GB/T 713.2-2023	P355NH P355N P355NL1 ISO 9328-2018	P355NH P355N P355NL1 EN 10028-2017

Q370R Corresponding Standards(Same grade name, different standards)

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