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EU EN WT40 钨电极惰性气体保护电弧焊,等离子切割和焊接规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: WT40 / WT 40
Category Grade Standard Region/Area Standard Content
Metals WT 40 EN 26848 EU 钨电极惰性气体保护电弧焊,等离子切割和焊接规范

Chemical composition(mass fraction)(wt.%) of the WT 40

Element Min Max Similar

Mechanical Properties of steel grade WT 40

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)
268 (≥) 741 (≥) 34 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade WT 40

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
14 - -     0.22 -  
324 279 - 43.3 211   -  
496 - 31 33.2   234 413

Heat Treatment of steel grade WT 40

Heat treated : 1535°C - 1517°C

Technological Curves of steel grade WT 40

Cross Reference Table (Equivalent Grade) of WT 40

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