CE40E4 - JIS G 7401-2000

Grade	CE40E4
Corresponding Standard	JIS G 7401-2000 Steels for cold heading and cold extruding
Classification	Carbon Steel

CE40E4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.37	-	0.5	-	-
Maximum Value	0.44	0.4	0.8	0.035	0.035

CE40E4 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Cold heading steel	AC or AC+P	≤580	≥57
Cold heading steel	C+AC	≤560	≥61
Cold heading steel	C+AC+LC	≤610	≥57

U-untreated with hot-rolled surface；P-untreated with peeled surface；C-cold drawn；AC-annealed to achive spheroidization of the carbides；AC+P-annealed to achive spheroidization of the carbides and peeled；C+AC-cold drawn and annealed to achive spheroidization of the carbides；C+AC+LC-cold drawn and annealed to achive spheroidization of the carbides, and lightly cold reduced (e.g. with a reduction of 5%)

CE40E4 Corresponding Standards(Same grade name, different standards)

1	JIS G 7401-2000
	CE40E4
2	ISO 4954-1993
	CE40E4

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