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A542 Type D Class 1

America ASTM A542TypeDClass1 压力容器用经回火和淬火的铬钼、铬钼钒及铬钼钒钛硼合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A542 Type D Class 1 ASTM A542/A542M America 压力容器用经回火和淬火的铬钼、铬钼钒及铬钼钒钛硼合金钢板

Chemical composition(mass fraction)(wt.%) of the A542 Type D Class 1

Element Min Max Similar
Co - 0.0700 -
Ca - 0.0150 -
Cu - 0.2000 -
B - 0.0200 -
Ti - 0.0300 -
V 0.2500 0.3500 -
Mo 0.9000 1.1000 -
Ni - 0.2500 -
Cr 2.7500 3.2500 -
P - 0.0150 -
S - 0.0100 -
Mn 0.3000 0.6000 -
Si - 0.1000 -
C 0.1100 0.1500 -
V 0.2300 0.3700 -
Ti - 0.0350 -
Si - 0.1300 -
S - 0.0150 -
P - 0.0200 -
Other - - -
Ni - 0.2800 -
Mo 0.8500 1.1500 -
Mn 0.2500 0.6600 -
Cu - 0.2300 -
Cr 1.8800 2.6200 -
Cb - 0.0800 -
C 0.0900 0.1800 -
B - 0.0020 -

Mechanical Properties of steel grade A542 Type D Class 1

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)
214 (≥) 383 (≥) 21 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade A542 Type D Class 1

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 - -     0.14 -  
871 216 - 13.3 244   -  
853 - 21 33.2   342 111

Heat Treatment of steel grade A542 Type D Class 1

Heat treated : 1669°C - 1643°C

Technological Curves of steel grade A542 Type D Class 1

Cross Reference Table (Equivalent Grade) of A542 Type D Class 1

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