STAINLESS STEEL NOMINAL BORE CONCENTRIC REDUCERS
Available in grades 304/304L and 316/316L
Welded full range of sizes, Seamless up to 12" x 8"
Welded schedule 10s and 40s, Seamless schedule 10s, 40s and 80s
For the full list of wall thicknesses you can find these on either the Welded Pipe page or the Seamless Pipe page.
| Nominal | Outside Diameter | End to End | |
| Pipe Size | Large End | Small End | H |
| mm | mm | mm | |
| 3/4" x 3/8" | 27 | 17 | 38 |
| 3/4" x 1/2" | 27 | 21 | 38 |
| 1" x 3/4" | 33 | 27 | 51 |
| 1" x 1/2" | 33 | 21 | 51 |
| 1 1/4" x 1" | 42 | 33 | 51 |
| 1 1/4" x 3/4" | 42 | 27 | 51 |
| 1 1/2" x 1 1/4" | 48 | 42 | 64 |
| 1 1/2" x 1" | 48 | 33 | 64 |
| 1 1/2" x 3/4" | 48 | 27 | 64 |
| 1 1/2" x 1/2" | 48 | 21 | 64 |
| 2" x 1 1/2" | 60 | 48 | 76 |
| 2" x 1 1/4" | 60 | 42 | 76 |
| 2" x 1" | 60 | 33 | 76 |
| 2" x 3/4" | 60 | 27 | 76 |
| 2 1/2" x 2" | 73 | 60 | 89 |
| 2 1/2" x 1 1/2" | 73 | 48 | 89 |
| 2 1/2" x 1 1/4" | 73 | 42 | 89 |
| 2 1/2" x 1 | 73 | 33 | 89 |
| 3" x 21/2" | 89 | 73 | 89 |
| 3" x 2" | 89 | 60 | 89 |
| 3" x 1 1/2" | 89 | 48 | 89 |
| 3" x 1 1/4" | 89 | 42 | 89 |
| 4" x 3" | 114 | 89 | 102 |
| 4" x 2 1/2" | 114 | 73 | 102 |
| 4" x 2" | 114 | 60 | 102 |
| 4" x 1 1/2" | 114 | 48 | 102 |
| 5" x 4" | 141 | 114 | 127 |
| 5" x 3" | 141 | 89 | 127 |
| 5 x 2 1/2" | 141 | 73 | 127 |
| 5" x 2" | 141 | 60 | 127 |
| 6" x 5" | 168 | 141 | 140 |
| 6" x 4" | 168 | 114 | 140 |
| 6" x 3" | 168 | 89 | 140 |
| 6" x 21/2" | 168 | 73 | 140 |
| 8" x 6" | 219 | 168 | 152 |
| 8" x 5" | 219 | 141 | 152 |
| 8" x 4" | 219 | 114 | 152 |
| 10" x 8" | 273 | 219 | 178 |
| 10" x 6" | 273 | 168 | 178 |
| 10" x 5" | 273 | 141 | 178 |
| 10" x 4" | 273 | 114 | 178 |
| 12" x 10" | 324 | 273 | 203 |
| 12" x 8" | 324 | 219 | 203 |
| 12" x 6" | 324 | 168 | 203 |
| 12" x 5" | 324 | 141 | 203 |
| 14" x 12" | 355.6 | 323.9 | 330 |
| 14×10 | 355.6 | 323.9 | 330 |
| 14×8 | 355.6 | 273 | 330 |
| 14×6 | 355.6 | 219.1 | 330 |
| 16×14 | 406.4 | 355.6 | 356 |
| 16×12 | 406.4 | 323.9 | 356 |
| 16×10 | 406.4 | 273 | 356 |
| 16×8 | 406.4 | 219.1 | 356 |
| 18×16 | 457 | 406.4 | 381 |
| 18×14 | 457 | 355.6 | 381 |
| 18×12 | 457 | 323.9 | 381 |
| 18×10 | 457 | 273 | 381 |
| 20×18 | 508 | 457 | 508 |
| 20×16 | 508 | 406.4 | 508 |
| 20×14 | 508 | 355.6 | 508 |
| 20×12 | 508 | 323.9 | 508 |
| 22×20 | 559 | 508 | 508 |
| 22×18 | 559 | 457 | 508 |
| 22×16 | 559 | 406.4 | 508 |
| 22×14 | 559 | 355.6 | 508 |
| 24×22 | 610 | 559 | 508 |
| 24×20 | 610 | 508 | 508 |
| 24×18 | 610 | 457 | 508 |
| 24×16 | 610 | 406.4 | 508 |
