14Cr11W2MoNiVNbN - DL /T 439-2018

Grade	14Cr11W2MoNiVNbN
Corresponding Standard	DL /T 439-2018 The technical guide for high-temperature bolt of fossil-fired power plant
Classification	Alloy Steel

14Cr11W2MoNiVNbN Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	W	V	Nb	Al
Minimum Value	0.12	-	0.3	-	-	10	0.35	-	0.35	0.04	1.5	0.14	0.05	-
Maximum Value	0.16	0.15	0.7	0.02	0.015	11	0.65	0.1	0.5	0.08	1.9	0.2	0.11	0.02

14Cr11W2MoNiVNbN Mechanical Properties

condition	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	≥930	≥760	≥14	≥32	277~331	≥20

14Cr11W2MoNiVNbN Corresponding Standards(Same grade name, different standards)

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