H70MΦB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H70MΦB

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ГОСТ H70MΦB

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This page is mainly introduced the H70MΦB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H70MΦB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
H70MΦB
  • Steel Garde:H70MΦB
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Russia COST standard deformation of high temperature alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 946~117 σb/MPa
Yield Strength 687 σ 0.2 ≥/MPa
Elongation 39 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 047~025 -
HRC 30 -

Physical Properties

Thermal expansion 71-94 e-6/K
Thermal conductivity 78-02 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0553-5536 째C
Density 6586-8822 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)
H70MΦB 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

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