C15E4 - JIS G 7105-2000

Grade	C15E4
Corresponding Standard	JIS G 7105-2000 Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels — Part 18 : Bright Products Of Unalloyed and Low Alloy Steels
Classification	Carbon Steel
Properties	Carburizing Ability

C15E4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.12	0.15	0.3	-	-
Maximum Value	0.18	0.4	0.6	0.035	0.035

◎ A lower silicon content may be agreed upon at the time of enquiry and order; in this case, the influence on mechanical properties should be taken into account.

C15E4 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
t≤5	TC	≥540	≥430	≥6
5＜t≤10	TC	≥500	≥390	≥7
10＜t≤16	TC	≥450	≥340	≥8
16＜t≤25	TC	≥440	≥315	≥9
25＜t≤40	TC	≥420	≥300	≥10
40＜t≤100	TC	≥370	≥190	≥12
100＜t≤160	TC	Be agreed	Be agreed	Be agreed
Steel	TC+TA， P+TA或 G+TA				≤143

C15E4 Corresponding Standards(Same grade name, different standards)

1	ISO 683-18-1996
	C15E4
2	ISO 683-11-1987
	C15E4 2
3	JIS G 7105-2000
	C15E4

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