C40E - ISO 683-18-2014

C40E Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.37	0.1	0.5	-	-	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.44	0.4	0.8	0.025	0.035	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C40E 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)	700~1000	≥540	≥6
10＜t≤16	Cold drawn (+C)	650~980	≥460	≥7
16＜t≤40	Cold drawn (+C)	620~920	≥365	≥8
40＜t≤63	Cold drawn (+C)	590~840	≥330	≥9
63＜t≤100	Cold drawn (+C)	550~820	≥290	≥9
16＜t≤100	As-rolled + peeled (+SH)	550~710			164~207
16＜t≤40	Quenched and tempered and peeled (+QT+SH)	630~780	≥400	≥18		≥30
40＜t≤100	Quenched and tempered and peeled (+QT+SH)	600~750	≥350	≥19		≥30
5≤t≤10	Quenched and tempered + cold drawn (+QT +C)	800~1000	≥560	≥8
10＜t≤16	Quenched and tempered + cold drawn (+QT +C)	750~950	≥525	≥8
16＜t≤40	Quenched and tempered + cold drawn (+QT +C)	680~880	≥490	≥9
40＜t≤63	Quenched and tempered + cold drawn (+QT +C)	620~820	≥435	≥10
63＜t≤100	Quenched and tempered + cold drawn (+QT +C)	600~800	≥420	≥11

Approximate Comparison Table

China	Japan	International Organization for Standardization	European Standard
GB	JIS	ISO	EN	Numerical Grade
40	S40C	C40E	C40E	1.1186

C40E 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"!