CE28B E4 - JIS G 7401-2000

Grade	CE28B
Old Grade
Corresponding Standard	JIS G 7401-2000 Steels for Cold Heading and Cold Extruding
Classification	Carbon Steel

CE28B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	B
Minimum Value	0.25	-	0.6	-	-	0.0008
Maximum Value	0.32	0.4	0.9	0.035	0.035	0.005

CE28B Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Cold heading steel	AC or AC+P	≤530	≥62
Cold heading steel	C+AC	≤510	≥64
Cold heading steel	C+AC+LC	≤540	≥64

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%)

CE28B Corresponding Standards(Same grade name, different standards)

1	JIS G 7401-2000
	CE28B (E4)
2	ISO 4954-1993
	CE28B (E4)

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