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SA-203 Grade A

America ASME SA-203GradeA 压力容器用镍合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-203GradeA / SA-203 Grade A
Category Grade Standard Region/Area Standard Content
Metals SA-203 Grade A ASME SA-203/SA-203M America 压力容器用镍合金钢板

Chemical composition(mass fraction)(wt.%) of the SA-203 Grade A

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni 2.1000 2.5000 -
Mn - 0.7000 -
C - 0.1700 -

Mechanical Properties of steel grade SA-203 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)
615 (≥) 786 (≥) 22 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade SA-203 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
11 - -     0.21 -  
548 692 - 23.3 324   -  
389 - 12 42.2   421 412

Heat Treatment of steel grade SA-203 Grade A

Heat treated : 1988°C - 1469°C

Technological Curves of steel grade SA-203 Grade A

Cross Reference Table (Equivalent Grade) of SA-203 Grade A

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