38Si2 A11383 - GB /T 1222-2025

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	0.2

38Si2 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
Quenched in water at 880±20°C and tempered at 450±50°C	≥1300	ReL ≥1150	≥8	≥35

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"!