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105Cr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 105Cr4

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EN 105Cr4

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This page is mainly introduced the 105Cr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 105Cr4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hardened steel; Ball and roller bearing steels

Steel Garde:105Cr4
Type:Tool Die Steels
Country:Germany
Standard:EN
Application:Hardened steel; Ball and roller bearing steels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
105Cr4	EN	Germany

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.00	1.10
Si	0.15	0.35
Mn	0.20	0.40
P		0.030
S		0.030
Cr	0.90	1.10
Mo
V

Mechanical Properties

Tensile strength	187～408	σb/MPa
Yield Strength	370	σ 0.2 ≥/MPa
Elongation	80	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	960～401	-
HRC	30	-

Physical Properties

Thermal expansion	38-11	e-6/K
Thermal conductivity	70-32	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5709-2139	째C
Density	8439-4543	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)
105Cr4 Tool Die Steels	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