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 467~821 σb/MPa
Yield Strength 182 σ 0.2 ≥/MPa
Elongation 33 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 067~994 -
HRC 30 -

Physical Properties

Thermal expansion 68-05 e-6/K
Thermal conductivity 54-40 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5429-8325 째C
Density 4778-5449 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

Technical specification/standard for download