DRILL PIPE SPECIFICATIONS
| Drill Pipe Size | Nominal Weight | API Nominal Wall New | CES Min. Wall New 95% | API Min. Wall New 87½% | API Min. Wall Premium Class 80% | Min. Wall Wear Premium Class | |
| API Drill Pipe | CES Drill Pipe | ||||||
| (in.) | (lb/ft) | (in.) | (in.) | (in.) | (in.) | (in.) | (in.) |
| 2-7/8 | 10.40 | .362 | .344 | .317 | .290 | .027 | .054 |
| 3-1/2 | 13.30 | .368 | .350 | .322 | .294 | .028 | .056 |
| 15.50 | .449 | .427 | .393 | .359 | .034 | .068 | |
| 4 | 14.00 | .330 | .314 | .289 | .264 | .025 | .050 |
| 15.70 | .380 | .361 | .332 | .304 | .028 | .057 | |
| 4-1/2 | 16.60 | .337 | .320 | .295 | .270 | .025 | .050 |
| 20.00 | .430 | .408 | .376 | .344 | .032 | .064 | |
| 22.82 | .500 | .475 | .437 | .400 | .037 | .075 | |
| 5 | 19.50 | .362 | .344 | .317 | .290 | .027 | .054 |
| 25.60 | .500 | .475 | .437 | .400 | .037 | .075 | |
| 5-1/2 | 21.90 | .361 | .343 | .316 | .289 | .027 | .054 |
| 24.70 | .415 | .394 | .363 | .332 | .031 | .062 | |