YG8A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of YG8A

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YG8A

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This page is mainly introduced the YG8A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of YG8A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Chemical composition (%) | WC: 91
Chemical composition (%) | TiC:-
Chemical composition (%) | TaC (NbC) : < 1.0
Chemical composition (%) | Co: 8
Chemical composition (%) | other:-
Density / (g/cm ^ 3) : 14.5 ~ 14.9
Hardness HRA: 89.5
Bending strength σ bb/MPa: 1500
The impact toughness aK / (J/cm ^ 2) :-
  • Steel Garde:YG8A
  • Type:Special Alloy
  • Country:China
  • Application:Hard alloy tungsten cobalt class

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 557~758 σb/MPa
Yield Strength 277 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 886~513 -
HRC 30 -

Physical Properties

Thermal expansion 69-20 e-6/K
Thermal conductivity 71-48 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7399-9699 째C
Density 5409-8001 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)
YG8A 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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