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America UNS W21045 低合金钢含熔剂芯焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W21045 / W21045
Category Grade Standard Region/Area Standard Content
Metals W21045 -- America 低合金钢含熔剂芯焊条

Chemical composition(mass fraction)(wt.%) of the W21045

Element Min Max Similar

Mechanical Properties of steel grade W21045

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)
454 (≥) 247 (≥) 31 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade W21045

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
43 - -     0.24 -  
389 667 - 34.3 231   -  
784 - 11 33.2   311 113

Heat Treatment of steel grade W21045

Heat treated : 1589°C - 1823°C

Technological Curves of steel grade W21045

Cross Reference Table (Equivalent Grade) of W21045

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