14Cr12Ni2WMoVNb 1Cr12Ni2WMoVNb - GJB 2294A-2014

Grade	14Cr12Ni2WMoVNb
Old Grade
Corresponding Standard	GJB 2294A-2014 Specification for stainless and heat-resisting steel bars for aviation
Classification	Martensitic Stainless Steel

14Cr12Ni2WMoVNb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S ^①	Cr	Ni	Mo	W	V	Nb
Minimum Value	0.11	-	-	-	-	11	1.8	0.8	0.7	0.2	0.15
Maximum Value	0.17	0.6	0.6	0.03	0.02	12	2.2	1.2	1	0.3	0.3

14Cr12Ni2WMoVNb Mechanical Properties

	Heat Treatment or 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
25 (Group I)	Quenching or Solution Annealing 1150°C, oil quenching or air cooling; Tempering or Aging 570~600°C hold for 2h, oil quenching or air cooling	≥1080	≥930	≥13	≥50	321~401	≥55
25 (Group II)	Quenching or Solution Annealing 1150°C, oil quenching or air cooling; Tempering or Aging 660~710°C hold for 2h, oil quenching or air cooling	≥930	≥785	≥13	≥50	269~331	≥63

14Cr12Ni2WMoVNb Corresponding Standards(Same grade name, different standards)

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