Black steel pipe

| Size (NB) | Seamless SCH 40 | Seamless SCH 80 | ERW SCH 40 | ERW SCH 80 |
|---|---|---|---|---|
| 12 | LP/BL-SMS-040-012 | LP/BL-SMS-080-012 | - | - |
| 20 | LP/BL-SMS-040-020 | LP/BL-SMS-080-020 | - | - |
| 25 | LP/BL-SMS-040-025 | LP/BL-SMS-080-025 | - | - |
| 32 | LP/BL-SMS-040-032 | LP/BL-SMS-080-032 | - | - |
| 38 | LP/BL-SMS-040-038 | LP/BL-SMS-080-038 | - | - |
| 50 | LP/BL-SMS-040-050 | LP/BL-SMS-080-050 | LP/BL-ERW-040-050 | LP/BL-ERW-080-050 |
| 63 | LP/BL-SMS-040-063 | LP/BL-SMS-080-063 | LP/BL-ERW-040-063 | LP/BL-ERW-080-063 |
| 75 | LP/BL-SMS-040-075 | LP/BL-SMS-080-075 | LP/BL-ERW-040-075 | LP/BL-ERW-080-075 |
| 90 | LP/BL-SMS-040-090 | - | LP/BL-ERW-040-090 | - |
| 100 | LP/BL-SMS-040-100 | LP/BL-SMS-080-100 | LP/BL-ERW-040-100 | LP/BL-ERW-080-100 |
| 125 | LP/BL-SMS-040-125 | LP/BL-SMS-080-125 | LP/BL-ERW-040-125 | LP/BL-ERW-080-125 |
| 150 | LP/BL-SMS-040-150 | LP/BL-SMS-080-150 | LP/BL-ERW-040-150 | LP/BL-ERW-080-150 |
| 200 | LP/BL-SMS-040-200 | LP/BL-SMS-080-200 | LP/BL-ERW-040-200 | LP/BL-ERW-080-200 |