28Cr3SiNiWMoVA F154 - GJB 5063-2001

Grade	28Cr3SiNiWMoVA
	F154
Corresponding Standard	GJB 5063-2001 Specification for ultra-high strength steel bars for aviation and areospace
Classification	Alloy Steel

28Cr3SiNiWMoVA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	W	V
Minimum Value	0.26	0.8	0.5	-	-	2.8	0.8	0.3	0.8	0.1
Maximum Value	0.31	1.2	0.8	0.02	0.02	3.3	1.2	0.5	1.2	0.2

28Cr3SiNiWMoVA Mechanical Properties

section area	Mark	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
sample	Sampling Direction Longitudinal	Heat Treatment	≥1421	≥1225	≥9	≥40		KU2 ≥40
Steel Rod		Annealing					≤302

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