SI NO | Seat Ring Base material | Hard faced material | Seat ring Minimum Diameter manufactured | Seat ring Maximum Diameter manufactured | Minimum Deposit Thickness | Minimum Hardness in HRC |
1 | A105 | ST-12(ERCoCrB) | 2" | 36" | 3mm | 45HRC |
2 | F11 | ST-12(ERCoCrB) | 2" | 36" | 3mm | 45HRC |
3 | F22 | ST-12(ERCoCrB) | 2" | 36" | 3mm | 45HRC |
4 | SS304 | ST-12(ERCoCrB) | 2" | 36" | 3mm | 45HRC |
5 | SS316 | ST-12(ERCoCrB) | 2" | 36" | 3mm | 45HRC |