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 673~139 σb/MPa
Yield Strength 644 σ 0.2 ≥/MPa
Elongation 75 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 606~519 -
HRC 30 -

Physical Properties

Thermal expansion 09-45 e-6/K
Thermal conductivity 39-78 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2667-0129 째C
Density 6644-0779 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