H70MΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H70MΦ

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ГОСТ H70MΦ

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This page is mainly introduced the H70MΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H70MΦ,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
H70MΦ
  • Steel Garde:H70MΦ
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Russia COST standard deformation of high temperature alloy

Cross Reference Table(Equivalent Materials):

Material Standard Country
H70MΦB ГОСТ Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 519~581 σb/MPa
Yield Strength 219 σ 0.2 ≥/MPa
Elongation 41 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 174~480 -
HRC 30 -

Physical Properties

Thermal expansion 79-85 e-6/K
Thermal conductivity 17-70 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8440-8442 째C
Density 0838-6091 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)
H70MΦ 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