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China GB W2 钨丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W2 / W2
Category Grade Standard Region/Area Standard Content
Metals W2 GB/T 4181 China 钨丝

Chemical composition(mass fraction)(wt.%) of the W2

Element Min Max Similar

Mechanical Properties of steel grade W2

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)
442 (≥) 927 (≥) 41 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade W2

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
22 - -     0.34 -  
345 169 - 42.3 113   -  
279 - 34 14.2   132 314

Heat Treatment of steel grade W2

Heat treated : 1348°C - 1727°C

Technological Curves of steel grade W2

Cross Reference Table (Equivalent Grade) of W2

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