2Cr11Mo1NiWVNbN - DL /T 439-2018

Grade	2Cr11Mo1NiWVNbN
Corresponding Standard	DL /T 439-2018 The Technical Guide for High-Temperature Bolt of Fossil-Fired Power Plant
Classification	Alloy Steel

2Cr11Mo1NiWVNbN Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	W	V	Co	Al
Minimum Value	0.13	0.2	0.5	-	-	10.5	0.35	0.8	0.15	0.15	-	-
Maximum Value	0.18	0.5	0.9	0.02	0.02	11.5	0.65	1.1	0.25	0.25	0.25	0.05

2Cr11Mo1NiWVNbN Mechanical Properties

condition	Test Temperature	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Bolt Material	Room Temperature	≥965	≥690	≥15	≥45	≤321	≥11

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