10Cr9MoW2VNbBN - NB /T 47008-2017

Grade	10Cr9MoW2VNbBN
Corresponding Standard	NB /T 47008-2017 Carbon and Alloy Steel Forgings for Pressure Equipment
Classification	Alloy Steel

10Cr9MoW2VNbBN Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	W	V	Nb	Zr	B	Al
Minimum Value	0.07	-	0.3	-	-	8.5	-	-	0.3	0.03	-	1.5	0.15	0.04	-	0.001	-
Maximum Value	0.13	0.5	0.6	0.02	0.01	9.5	0.4	0.2	0.6	0.07	0.01	2	0.25	0.09	0.01	0.006	0.02

10Cr9MoW2VNbBN Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
t≤300	N+T; Q+T (Tempering Temperature ≥740°C)	620~790	≥440	≥18	185~250	20°C ≥41
t≤300			≥420
			≥412
			≥405
			≥400
			≥392
			≥382
			≥372
			≥360
			≥340
			≥300
			≥248

10Cr9MoW2VNbBN Corresponding Standards(Same grade name, different standards)

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