25CrMnSiA - GJB 2150A-2005

Grade	25CrMnSiA
Corresponding Standard	GJB 2150A-2005 Specification for hot-rolled alloy structure steel sheets and plates for avication
Classification	Alloy Steel

25CrMnSiA Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S ^①	Cr	Ni ^①	Cu ^①	Mo ^②	W ^②
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	0.13	0.13

25CrMnSiA Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
≤4※	Delivery Condition	520~720	≥18	≤229
>4※	Delivery Condition	520~720	≥20	≤229
Sample*	Heat Treatment	≥1080	≥10

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

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