1.1 This specification2 covers heat-treated carbon-manganese-silicon steel plates intended for fusion welded pressure vessels and structures.
1.2 Plates furnished under this specification are available in the following three classes:
8201;Class | 8201;Heat | 8201;Thickness | Yield | Tensile |
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1 | Normalized | 21/2 in. and under [65 mm and under] | 50 | 70 |
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| Over 21/2 to 4 in. | 45 | 65 |
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