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SA-420 Grade WPL3

America ASME SA-420GradeWPL3 低温使用的锻制碳素钢及合金钢管配件 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-420 Grade WPL3 ASME SA-420/SA-420M America 低温使用的锻制碳素钢及合金钢管配件

Chemical composition(mass fraction)(wt.%) of the SA-420 Grade WPL3

Element Min Max Similar
Si 0.1300 0.3700 -
S - 0.0500 -
P - 0.0500 -
Ni 3.2000 3.8000 -
Mn 0.3100 0.6400 -
C - 0.2000 -

Mechanical Properties of steel grade SA-420 Grade WPL3

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)
836 (≥) 332 (≥) 14 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SA-420 Grade WPL3

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
23 - -     0.42 -  
566 221 - 22.3 423   -  
946 - 24 21.2   411 311

Heat Treatment of steel grade SA-420 Grade WPL3

Heat treated : 1727°C - 1366°C

Technological Curves of steel grade SA-420 Grade WPL3

Cross Reference Table (Equivalent Grade) of SA-420 Grade WPL3

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