YG8A Special Alloy

Chemical composition%of the ladle analysis of gradeYG8A

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) :-

Mechanical properties of gradeYG8A

Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated Condition Brinell hardness(HBW)
857(≥) 675(≥) 44 43 22 Solution and Aging,Annealing,Ausaging,Q+T,etc 442

Physical properties of grade YG8A

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
532(≥) 351(≥) 31 41 24 Solution and Aging,Annealing,Ausaging,Q+T,etc 311
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
739 923 522

YG8A Range of products

Product type Products Dimension Processes Deliver Status
Plates/Sheets Plates/Sheets 0.08-200mm(T)*W*L Forging,hot rolling and cold rolling Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel Bar Round Bar,Flat Bar,Square Bar Φ8-1200mm*L Forging,hot rolling and cold rolling,Cast Black,Rough Turning,Shot Blasting,
Coil/Strip Steel Coil/Steel Strip 0.03-16.0x1200mm Cold-Rolled&Hot-Rolled Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/Tubes Seamless Pipes/Tubes,Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion,Cold Drawn,Welded Annealed,Solution and Aging,Q+T,ACID-WASHED

Equivalent Grade