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70MnMoCr8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 70MnMoCr8

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ISO 70MnMoCr8

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This page is mainly introduced the 70MnMoCr8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 70MnMoCr8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:70MnMoCr8
Type:Special Alloy
Country:ISO
Standard:ISO
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
102Cr6	DIN	Germany
70MnMoCr8	ISO	ISO
EN 102Cr6	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	145～685	σb/MPa
Yield Strength	078	σ 0.2 ≥/MPa
Elongation	18	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	943～502	-
HRC	30	-

Physical Properties

Thermal expansion	63-90	e-6/K
Thermal conductivity	63-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8177-9942	째C
Density	7996-3384	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)
70MnMoCr8 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