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China GB W4 钨条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W4 / W4
Category Grade Standard Region/Area Standard Content
Metals W4 GB 3459 China 钨条

Chemical composition(mass fraction)(wt.%) of the W4

Element Min Max Similar

Mechanical Properties of steel grade W4

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)
362 (≥) 649 (≥) 32 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade W4

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
23 - -     0.24 -  
927 493 - 31.3 412   -  
625 - 21 22.2   123 344

Heat Treatment of steel grade W4

Heat treated : 1191°C - 1928°C

Technological Curves of steel grade W4

Cross Reference Table (Equivalent Grade) of W4

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