1.1 This specification2 covers nickel-alloy steel plates intended primarily for welded pressure vessels.
1.2 Plates under this specification are available with four strength levels and two nickel compositions as follows:
Grade | Nominal Nickel | Yield Strength, min, ksi [MPa] | Tensile Strength, min, ksi [MPa] |
A | 2.25 | 37 [255] | 65 [450] |
B | 2.25 | 40 [275] | 70 [485] |
D | 3.50 | 37 [255] | 65 [450] |
E | 3.50 | 40 [275] | 70 [485] |
F | 3.50 |
|
|
8199;8199;8199;8199;2 in. [50 mm] and under | 55 [380] | 80 [550] | |
8199;8199;8199;81 ASTM A203/A203M-17 Referenced Document
ASTM A203/A203M-17 history
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