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America UNS W21042 潜弧焊用低合金钢双金属丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W21042 / W21042
Category Grade Standard Region/Area Standard Content
Metals W21042 -- America 潜弧焊用低合金钢双金属丝

Chemical composition(mass fraction)(wt.%) of the W21042

Element Min Max Similar
Si - 0.8000 -
S - 0.0250 -
P - 0.0300 -
Ni 0.7000 1.1000 -
Mo 0.1000 0.3500 -
Mn - 1.6000 -
Cu - 0.3500 -
C - 0.1200 -

Mechanical Properties of steel grade W21042

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)
331 (≥) 911 (≥) 43 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade W21042

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
41 - -     0.34 -  
479 222 - 31.3 334   -  
186 - 22 43.2   424 234

Heat Treatment of steel grade W21042

Heat treated : 1517°C - 1816°C

Technological Curves of steel grade W21042

Cross Reference Table (Equivalent Grade) of W21042

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