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E4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of E4

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JIS E4

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E4 Profile
E4 Chemical composition
E4 Mechanical Properties
E4 Physical Properties
E4 Heat treatment
E4 Size Availability
E4 Relevant products

Profile

This page is mainly introduced the E4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of E4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
E4
Hardness quartile HRA: 87
Bending strength frequency/MPa: 1667

Steel Garde:E4
Type:Special Alloy
Country:Japan
Standard:JIS
Application: carbide geological mining tools①

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
E441		UK
E441		UK
E6	AFNOR	France
E6	AFNOR	France
Type410S	UNS	USA
Type410S	UNS	USA
Type410Cb(XM-30)	UNS	USA
Type410Cb(XM-30)	UNS	USA
Type418(GreekAscollOy)	UNS	USA
Type418(GreekAscollOy)	UNS	USA
S42023	UNS	USA
S42023	UNS	USA
Type420FSe	UNS	USA
Type420FSe	UNS	USA
Type440F	UNS	USA
Type440F	UNS	USA
E40	STAS/SR	Romania
EN Fe42B1FU	EN	Euronorm
EN Fe42B1FN	EN	Euronorm
EN Fe42B3FN	EN	Euronorm
EN Fe42-3FN	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	515～575	σb/MPa
Yield Strength	019	σ 0.2 ≥/MPa
Elongation	17	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	697～805	-
HRC	30	-

Physical Properties

Thermal expansion	96-26	e-6/K
Thermal conductivity	80-93	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2253-2484	째C
Density	4827-7679	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
E4 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk