56Si2MnCr A24563 - GB /T 1222-2016

56Si2MnCr Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*
Minimum Value	0.52	1.6	0.7	-	-	0.2	-	-
Maximum Value	0.6	2	1	0.025	0.02	0.45	0.35	0.25

56Si2MnCr Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Quenching and Tempering	≥1500	≥1350	≥6	≥25	-
Hot Rolled (WHR)	-	-	-	-	Negotiated Between Supplier and Buyer
Stress relief annealing (A)	-	-	-	-	≤280
Soft annealing (SA)	-	-	-	-	≤248

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