25CrMnSiA - GJB 2151-1994

Grade	25CrMnSiA
Corresponding Standard	GJB 2151-1994 Specification for cold-rolled alloy structure steel sheets for aerospace
Classification	Alloy Steel

25CrMnSiA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.22	0.9	0.8	-	-	0.8	-	-
Maximum Value	0.28	1.2	1.1	0.025	0.025	1.1	0.3	0.25

25CrMnSiA Mechanical Properties

form	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Cold rolled steel plate	Delivery Condition	520~720	≥18	≤229
sample	870~890°C Quenching, Oil Cooling, 470~550°C Tempering, Oil or Water Cooling	≥1080	≥10

25CrMnSiA Corresponding Standards(Same grade name, different standards)

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