C45R - ISO 683-1-2016

Grade	C45R
Corresponding Standard	ISO 683-1-2016 Non-alloy steels for quenching and tempering
Classification	Carbon Steel

C45R Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.42	0.1	0.5	-	0.02	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.5	0.4	0.8	0.025	0.04	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C45R 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	700~850	≥490	≥14	≥35	≥15
16＜d≤40 or 8＜t≤20	650~800	≥430	≥16	≥40	≥15
40＜d≤100 or 20＜t≤60	630~780	≥370	≥17	≥45	≥15

Approximate Comparison Table

United States	International Organization for Standardization	Germany	France	European Standard
ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade
1045	C45R C45M2	Cm45	XC48H1u	C45R	1.1201

C45R 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"!