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 686~070 σb/MPa
Yield Strength 622 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 727~897 -
HRC 30 -

Physical Properties

Thermal expansion 40-29 e-6/K
Thermal conductivity 00-05 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7463-5354 째C
Density 5772-6527 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