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| 1) Seamless rolled rings | rough machining |
| 2) Standards | ASTM, ASME, AISI, API, UNI, DIN, SIS and EURONORM |
| 3) Materials | carbon and stainless steel |
| 4) Outside diameter | 2,800mm (max.) |
| 5) Face height | 450mm (max.) |
| 6) Production | Produced in rolled heat-treated and machined conditions |
| 7) Design | Customers' designs welcomed |




