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ASME SA203 Grade D is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels. ASME SA203 Grade D this property is based on it's Ni composition.SA203 Grade D 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 D steel plate Mechanical Properties
Mechanical Properties
|
||||||
Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
Degree |
Min Value |
|||||
SA203 Gr.D |
mm |
Min Mpa |
Mpa |
Min % |
- |
J |
5≤t≤50 |
255 |
450-585 |
23% |
- |
||
50≤t≤200 |
255 |
450-585 |
19% |
|
|
|
Note: Impact energy for impact test is on longitudinal |
SA203 Grade D Boiler steel plate Chemical Composition
Chemical Composition
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Grade |
The Element Max (%) |
||||||
C |
Si |
Mn |
P |
S |
Ni |
N |
|
SA203 Gr.D |
0.17-0.20 |
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 D pressure vessel steel application :
SA203 Grade D 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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