Tel : 0086-021-60880117
Tel : 0086-021-60880117
ASME SA203 Grade B is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels. ASME SA203 Grade B this property is based on it's Ni composition.SA203 Grade B is used in fabricators serving industry, especially in the oil, gas and chemical supply markets. ASME SA203 has five grades or levels-- Grade A/B/D/E/F.
Standard: ASME SA-203/SA-203M
Dimension range : 1.5mm -260mm * 1000mm-4000mm * 1000mm-18000mm
SA203 Grade B steel plate Mechanical Properties
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Mechanical Properties
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Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
|
Degree |
Min Value |
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SA203Gr.B |
mm |
Min Mpa |
Mpa |
Min % |
- |
J |
|
5≤t≤50 |
275 |
485-620 |
21% |
- |
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50≤t≤200 |
275 |
485-620 |
17% |
|
|
|
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Note: Impact energy for impact test is on longitudinal |
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SA203 Grade B Boiler steel plate Chemical Composition
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Chemical Composition
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Ni |
N |
|
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SA203Gr.B |
0.21-0.25 |
0.13-0.45 |
0.78-0.88 |
0.035 |
0.035 |
2.03-2.57 |
|
Delivery Status : Normalizing + tempering or tempering state
SA203 Grade B pressure vessel steel application :
SA203 Grade B steel is widely used in petroleum, chemical, power station, boiler and other industries, for the manufacture of reactor, heat exchanger, separator, spherical tank, paint tank, Oil gas cylinders, high-pressure water pipe hydropower stations, water turbines and other equipment and components.
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