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Description: Pressure Vessel Plate of ASTM A203 is Nickel alloy steel intended particularly for welded high temperature pressure vessels. Plate is available in five grades having strength levels: Grade A, Grade B, Grade D, Grade E & Grade F. All plates of Grade A, Gra ...
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Pressure Vessel Plate of ASTM A203 is Nickel alloy steel intended particularly for welded high temperature pressure vessels. Plate is available in five grades having strength levels: Grade A, Grade B, Grade D, Grade E & Grade F.
All plates of Grade A, Grade B, Grade D & Grade E of ASTM 203 should be normalized. Tensile test & Sharpy test needed.
Pressure Vessel Plate of ASTM A203 is widely used in petroleum,chenical,power station, boiler and other industries, products as reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, high pressure pipelines, water turbines and other equipment and components.
ASTM A203 steel chemical components：
| Grade | chemical components（≤%） | |||||
|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Ni | |
| A | 0.23 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 2.03-2.57 |
| B | 0.25 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 2.03-2.58 |
| D | 0.2 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 3.18-3.82 |
| E | 0.23 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 3.18-3.82 |
| F | 0.23 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 3.18-3.82 |
ASTM A203 steel mechanical property:
| ASTM A203 | Grade A | Grade B | Grade D | Grade E | Grade F |
|---|---|---|---|---|---|
| Tensile strength, kis [Mpa] | 65-85 [450-585] |
70-90 [485-620] |
65-85 [450-585] |
70-90 [485-620] |
75-100 [515-690] |
| Yield strength, min kis [Mpa] | 37[255] | 40[275] | 37[255] | 40[275] | 50[345] |
| Elongation in 8 in. [200mm], % | 19 | 17 | 19 | 17 | - |
| Elongation in 2 in. [50mm], % | 23 | 21 | 23 | 21 | 20 |
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