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ASTM A517/A517M-93(2004)e1
Standard Specification for Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered
1.1 This specification covers high-strength quenched and tempered alloy steel plates intended for use in fusion welded boilers and other pressure vessels.
1.2 This specification includes a number of grades as manufactured by different producers, but all having the same mechanical properties and general characteristics.
1.3 The maximum thickness of plates furnished under this specification shall be as follows:
| Grade | Thickness |
| A, B, C, J | 1.25 in. [32 mm] |
| H, K, M, S, T | 2 in. [50 mm] |
| P | 4 in. [100 mm] |
| F | 2.50 in. [65 mm] |
| E, Q | 6 in. [150 mm] |
1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
ASTM International [astm]