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America UNS W22440 潜弧焊用低合金钢管状线 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W22440 / W22440
Category Grade Standard Region/Area Standard Content
Metals W22440 -- America 潜弧焊用低合金钢管状线

Chemical composition(mass fraction)(wt.%) of the W22440

Element Min Max Similar

Mechanical Properties of steel grade W22440

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)
169 (≥) 291 (≥) 21 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade W22440

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 - -     0.21 -  
363 831 - 11.3 214   -  
522 - 41 21.2   234 432

Heat Treatment of steel grade W22440

Heat treated : 1335°C - 1846°C

Technological Curves of steel grade W22440

Cross Reference Table (Equivalent Grade) of W22440

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