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Contact SupplierRING GASKETS | Brinell Rockwell ‘B’ Scale | ASME B16.20 API-6A |
Soft Iron | 090 56 | D D - 4 |
Low Carbon Steel | 120 68 | S S - 4 |
4 - 6 Chrome 1/2 Moly | 130 72 | F 5 -- |
Type 410 | 170 86 | S 410 -- |
Type 304 | 160 83 | S 304 S 304 - 4 |
Type 316 | 160 83 | S 316 S 316 - 4 |
Type 347 | 160 83 | S 347 -- |