C25E 1.1158 - EN 10132-2021

Grade	C25E
European Standard Steel Grade	1.1158
Corresponding Standard	EN 10132-2021 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions
Classification	Carbon Steel

C25E Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.22	-	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

① Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat. All reasonable precautions shall be taken to prevent the addition, from scrap or other material used in manufacture, of such elements which affect the hardenability, mechanical properties and application.

C25E Mechanical Properties

Delivery condition*	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
annealed (+A) or annealed and skin passed(+LC)	≤510	≤410	≥21	HV ≤160
cold rolled(+CR)**	≤910			HV ≤270

• The elongation values in the table are for a gauge length of 80 mm.
• +A=annealed，+LC=annealed and skin passed，+CR=cold rolled，+QT=quenched and tempered

1 Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

Japan	International Organization for Standardization	Germany	France	European Standard		Russia	United Kingdom
JIS	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
S25C	C25E4	Ck25	XC25	C25E	1.1158	25	070M26

2 Approximate Comparison Table High-Quality Carbon Structural Steel

China		United States	International Organization for Standardization	European Standard
GB	ISC	ASTM/AISI	ISO	EN	Numerical Grade
25Mn (GB/T 699-2015)	U21252	1026 (ASTM A29/A29M:2005)	C25E4 (ISO 683-18:1996)	C25E (EN 10083-1:1991+A1:1996) (EN 10084:1998)	1.1158

C25E Corresponding Standards(Same grade name, different standards)

1	EN 10250-2-2000
	C25E 1.1158
2	ISO 683-1-2016
	C25E
3	DIN EN ISO 683-1-2018
	C25E
4	ISO 683-18-2014
	C25E
5	EN 10132-2021
	C25E 1.1158

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