C25E - ISO 683-1-2016

Grade	C25E
Corresponding Standard	ISO 683-1-2016 Non-alloy steels for quenching and tempering
Classification	Carbon Steel

C25E Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.22	0.1	0.4	-	-	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.29	0.4	0.7	0.025	0.035	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C25E Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
d≤16 or t≤8	550~700	≥370	≥19	≥35
16＜d≤40 or 8＜t≤20	500~650	≥320	≥21	≥35

Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

China	Japan	International Organization for Standardization	European Standard
GB	JIS	ISO	EN	Numerical Grade
25	S25C	C25E	C22E	1.1151

C25E Corresponding Standards(Same grade name, different standards)

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