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SA-542 Type D Class 2

America ASME SA-542TypeDClass2 压力容器用淬火加回火的铬钼和络钼钒合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-542 Type D Class 2 ASME SA-542/SA-542M America 压力容器用淬火加回火的铬钼和络钼钒合金钢板

Chemical composition(mass fraction)(wt.%) of the SA-542 Type D Class 2

Element Min Max Similar

Mechanical Properties of steel grade SA-542 Type D Class 2

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)
581 (≥) 193 (≥) 12 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade SA-542 Type D Class 2

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
42 - -     0.24 -  
139 229 - 23.3 421   -  
253 - 14 44.2   142 222

Heat Treatment of steel grade SA-542 Type D Class 2

Heat treated : 1462°C - 1488°C

Technological Curves of steel grade SA-542 Type D Class 2

Cross Reference Table (Equivalent Grade) of SA-542 Type D Class 2

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