| Aluminum Backing Ring | Aluminum | | | aluminum | | | | | 5086 6061 | | | | | | | | | | | | schedule-40 | 12-in 1-in 1-14-in 1-12-in 14-in-2 2-in 2-12-in 34-in 3-in 3-12-in 38-in 4-in 5-in 6-in 7-in 8-in 10-in 12-in-3 14-in-3 16-in-2 18-in-3 20-in-2 24-in-2 30-in-2 | | | | | | | | |
| Copper Nickel Backing Ring | Copper Nickel | | | copper-nickel | | | | | 7030 9010 | | | | | mil-std-22d none | | | | | | | class-200 class-700 | 12-in 1-in 1-14-in 1-12-in 14-in-2 2-in 2-12-in 34-in 3-in 3-12-in 38-in 4-in 5-in 6-in 7-in 8-in 10-in 12-in-3 14-in-3 16-in-2 18-in-3 20-in-2 24-in-2 30-in-2 | | | | | | | | |
| Stainless Steel Backing Ring | Stainless Steel | | | stainless-steel | | | | | | | | | | | | | | | | | schedule-10 schedule-40 | 12-in 1-in 1-14-in 1-12-in 14-in-2 2-in 2-12-in 34-in 3-in 3-12-in 38-in 4-in 5-in 6-in 7-in 8-in 10-in 12-in-3 14-in-3 16-in-2 18-in-3 20-in-2 24-in-2 30-in-2 | | | | | | | | |
| Steel Backing Ring | Steel | | | steel | | | | | | | | | | | | | | | | | extra-heavy-xh schedule-120 schedule-40 standard-std | 12-in 1-in 1-14-in 1-12-in 14-in-2 2-in 2-12-in 34-in 3-in 3-12-in 38-in 4-in 5-in 6-in 7-in 8-in 10-in 12-in-3 14-in-3 16-in-2 18-in-3 20-in-2 24-in-2 30-in-2 | | | | | | | | |