8ΧΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 8ΧΦ

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ГОСТ 8ΧΦ

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This page is mainly introduced the 8ΧΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 8ΧΦ,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:8ΧΦ
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 213~553 σb/MPa
Yield Strength 353 σ 0.2 ≥/MPa
Elongation 33 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 561~852 -
HRC 30 -

Physical Properties

Thermal expansion 18-19 e-6/K
Thermal conductivity 34-55 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3752-3130 째C
Density 6054-7313 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)
8ΧΦ 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