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China GJB W142 Ring blanks of high density tungsten base alloy for gyrorotor and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W142 / W142
Category Grade Standard Region/Area Standard Content
Metals W142 GJB 765A China Ring blanks of high density tungsten base alloy for gyrorotor

Chemical composition(mass fraction)(wt.%) of the W142

Element Min Max Similar
W 92.5000 93.5000 -
Ni 4.2000 4.9000 -
Cu 2.1000 2.5500 -
Fe - 0.0100 -
Si - 0.0100 -
Total Others - 0.1000 -

Mechanical Properties of steel grade W142

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)
712 (≥) 931 (≥) 44 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade W142

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
21 - -     0.23 -  
446 556 - 42.3 241   -  
664 - 34 14.2   223 433

Heat Treatment of steel grade W142

Heat treated : 1967°C - 1817°C

Technological Curves of steel grade W142

Cross Reference Table (Equivalent Grade) of W142

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