у8,у8A,у8ΓΑ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of у8,у8A,у8ΓΑ

ГОСТ у8,у8A,у8ΓΑ

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This page is mainly introduced the у8,у8A,у8ΓΑ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of у8,у8A,у8ΓΑ,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:у8,у8A,у8ΓΑ
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 871~087 σb/MPa
Yield Strength 750 σ 0.2 ≥/MPa
Elongation 58 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 982~474 -
HRC 30 -

Physical Properties

Thermal expansion 47-17 e-6/K
Thermal conductivity 11-52 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0145-0704 째C
Density 0969-4044 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)
у8,у8A,у8ΓΑ 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