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SA-204 Grade A

America ASME SA-204GradeA 压力容器用铝合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-204GradeA / SA-204 Grade A
Category Grade Standard Region/Area Standard Content
Metals SA-204 Grade A ASME SA-204/SA-204M America 压力容器用铝合金钢板

Chemical composition(mass fraction)(wt.%) of the SA-204 Grade A

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0250 -
P - 0.0250 -
Mo 0.4500 0.6000 -
Mn - 0.9000 -
C - 0.1800 -

Mechanical Properties of steel grade SA-204 Grade A

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)
285 (≥) 662 (≥) 21 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade SA-204 Grade A

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
32 - -     0.13 -  
692 799 - 24.3 314   -  
581 - 31 32.2   212 131

Heat Treatment of steel grade SA-204 Grade A

Heat treated : 1493°C - 1124°C

Technological Curves of steel grade SA-204 Grade A

Cross Reference Table (Equivalent Grade) of SA-204 Grade A

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