38Si2 A11383 - GB /T 1222-2016

38Si2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*
Minimum Value	0.35	1.5	0.5	-	-	-	-	-
Maximum Value	0.42	1.8	0.8	0.025	0.02	0.25	0.35	0.25

38Si2 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	≥1300	≥1150	≥8	≥35	-
Hot Rolled (WHR)	-	-	-	-	≤321
Stress relief annealing (A)	-	-	-	-	≤280
Soft annealing (SA)	-	-	-	-	≤217

Approximate Comparison Table Spring Steel 1

China	International Organization for Standardization	European Standard
GB	ISO	EN
38Si2	38Si7	38Si7

38Si2 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!