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 526~190 σb/MPa
Yield Strength 576 σ 0.2 ≥/MPa
Elongation 83 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 162~753 -
HRC 30 -

Physical Properties

Thermal expansion 81-26 e-6/K
Thermal conductivity 67-96 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0569-4706 째C
Density 2839-6009 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