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America UNS W73031 Cobalt Base Hard Facing Composite Welding Wire (ERCCoCr-C) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W73031 / W73031
Category Grade Standard Region/Area Standard Content
Metals W73031 -- America Cobalt Base Hard Facing Composite Welding Wire (ERCCoCr-C)

Chemical composition(mass fraction)(wt.%) of the W73031

Element Min Max Similar
W 11.0000 14.0000 -
Si - 2.0000 -
Other - - -
Ni - 3.0000 -
Mo - 1.0000 -
Mn - 2.0000 -
Fe - 5.0000 -
Cr 25.0000 33.0000 -
Co - - -
C 2.0000 3.0000 -

Mechanical Properties of steel grade W73031

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
822 (≥) 197 (≥) 44 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade W73031

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.31 -  
335 568 - 13.3 421   -  
436 - 21 41.2   343 123

Heat Treatment of steel grade W73031

Heat treated : 1461°C - 1579°C

Technological Curves of steel grade W73031

Cross Reference Table (Equivalent Grade) of W73031

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