07Cr2MoW2VNbB - GB /T 5310-2017

Grade	07Cr2MoW2VNbB
Corresponding Standard	GB /T 5310-2017 Seamless steel tubes and pipes for high pressure boiler
Classification	Alloy Steel

07Cr2MoW2VNbB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^①	Cu ^①	Mo	N	W	V	Nb	B	More
Minimum Value	0.04	-	0.1	-	-	1.9	-	-	0.05	-	1.45	0.2	0.02	0.0005	Alt≤0.03
Maximum Value	0.1	0.5	0.6	0.025	0.01	2.6	0.3	0.2	0.3	0.03	1.75	0.3	0.08	0.006	Alt≤0.03

* Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaseer, except for finishing the cast. The manufacturer shall take all appropriate measures to prevent the addition of these elements from scrap or other materials used in steelmaking, which may adversely affect the mechanical properties and usability.

① Residual element

Approximate Comparison Table Seamless steel tubes and pipes for high pressure boiler

China		United States
GB	ISC	ASTM/AISI
07Cr2MoW2VNbB	A38078	SA-213 T23 SA-335 P23

07Cr2MoW2VNbB Corresponding Standards(Same grade name, different standards)

1	GB 5310-2008
	07Cr2MoW2VNbB
2	GB /T 5310-2017
	07Cr2MoW2VNbB
3	GB /T 5310-2023
	07Cr2MoW2VNbB A38078

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