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 163~682 σb/MPa
Yield Strength 768 σ 0.2 ≥/MPa
Elongation 35 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 514~789 -
HRC 30 -

Physical Properties

Thermal expansion 26-06 e-6/K
Thermal conductivity 45-57 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4533-3274 째C
Density 6623-3910 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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