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 007~869 σb/MPa
Yield Strength 112 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 392~286 -
HRC 30 -

Physical Properties

Thermal expansion 36-43 e-6/K
Thermal conductivity 56-19 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1105-1918 째C
Density 4833-4057 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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