C40E - ISO 683-1-2016

Grade	C40E
Corresponding Standard	ISO 683-1-2016 Non-alloy steels for quenching and tempering
Classification	Carbon Steel

C40E Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.37	0.1	0.5	-	-	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.44	0.4	0.8	0.025	0.035	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C40E Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
d≤16 or t≤8	650~800	≥460	≥16	≥35	≥20
16＜d≤40 or 8＜t≤20	630~780	≥400	≥18	≥40	≥20
40＜d≤100 or 20＜t≤60	600~750	≥350	≥19	≥45	≥20

Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

China	Japan	International Organization for Standardization	European Standard
GB	JIS	ISO	EN	Numerical Grade
40	S40C	C40E	C40E	1.1186

C40E 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"!