C15R 1.1140 - EN 10277-2018

Grade	C15R
European Standard Steel Grade	1.1140
Corresponding Standard	EN 10277-2018 Bright steel products - Technical delivery conditions
Classification	Carbon Steel

C15R Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.12	0.15	0.3	-	0.02	-	-	-	-
Maximum Value	0.18	0.4	0.6	0.025	0.04	0.4	0.4	0.3	0.1

C15R Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
5≤t≤10	Cold Drawing (+C)	500~800	≥380	≥7
10<t≤16	Cold Drawing (+C)	480~780	≥340	≥8
16<t≤40	Cold Drawing (+C)	430~730	≥280	≥9
40<t≤63	Cold Drawing (+C)	380~670	≥240	≥11
63<t≤100	Cold Drawing (+C)	340~600	≥215	≥12
16<t≤100	Rolling and Decapping (+SH)	330~600			98~178
16<t≤100	Soft Annealing and Descaling (+A+SH)				≤143
5≤t≤10	Soft Annealing and Cold Drawing (+A+C)				≤238
10<t≤16	Soft Annealing and Cold Drawing (+A+C)				≤231
16<t≤40	Soft Annealing and Cold Drawing (+A+C)				≤216
40<t≤63	Soft Annealing and Cold Drawing (+A+C)				≤198
63<t≤100	Soft Annealing and Cold Drawing (+A+C)				≤178

1 Approximate Comparison Table

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
C15R	C15R	1.1140

2 Approximate Comparison Table

International Organization for Standardization	Germany	France	European Standard		Sweden
ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	SS
C15M2	Ck15 Cm15	XC12	C15R	1.1140	1370

C15R 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"!