C25R - ISO 683-18-2014

Grade	C25R
Corresponding Standard	ISO 683-18-2014 Heat-treatable Steels, Alloy Steels and Free-Cutting Steels - Part 18: Bright Steel Products
Classification	Carbon Steel

C25R Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.22	0.1	0.4	-	0.02	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.29	0.4	0.7	0.025	0.04	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C25R Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
5≤t≤10	Cold drawn (+C)	560~860	≥420	≥6
10＜t≤16	Cold drawn (+C)	530~880	≥380	≥7
16＜t≤40	Cold drawn (+C)	510~810	≥300	≥8
40＜t≤63	Cold drawn (+C)	490~790	≥265	≥9
63＜t≤100	Cold drawn (+C)	440~740	≥245	≥10
16＜t≤100	As-rolled + peeled (+SH)	440~640			130~187
16＜t≤40	Quenched and tempered and peeled (+QT+SH)	500~650	≥320	≥20		≥45

Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

International Organization for Standardization	Germany	France	European Standard
ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade
C25R	Cm22	XC18u	C22R C22R	1.1149

C25R 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"!