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Japan JIS VWMWH 照明和电子设备钍钨丝和棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: VWMWH / VWMW H
Category Grade Standard Region/Area Standard Content
Metals VWMW H JIS H4471 Japan 照明和电子设备钍钨丝和棒

Chemical composition(mass fraction)(wt.%) of the VWMW H

Element Min Max Similar

Mechanical Properties of steel grade VWMW H

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)
246 (≥) 259 (≥) 22 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade VWMW H

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 - -     0.41 -  
512 876 - 24.3 232   -  
127 - 32 43.2   242 214

Heat Treatment of steel grade VWMW H

Heat treated : 1998°C - 1124°C

Technological Curves of steel grade VWMW H

Cross Reference Table (Equivalent Grade) of VWMW H

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