Seamless (SMLS)
PTC Liberty Tubulars is a market leader in the processing and finishing of Seamless (SMLS) pipe. SMLS pipe is made by heating a solid steel billet, piercing it with a mandrel to form a tube, and then stretching or rolling it to the desired length, diameter and wall thickness. We finish SMLS up to 7.625” outside diameter (OD), and provide threading up to 13.375” OD, with API and semi-premium connections available in our 300,000 square foot Houston, Texas pipe processing center.
- 4.5” to 13.375” OD
- Grades J55 to Q125
- Wall thickness 0.125″ to 0.625″
- Industry leading non- destructive test technology
- In-house UT inspection
- Meet high collapse requirements
Seamless Casing Variations
| OD (inches) | Wall Thickness (inches) | Pounds per Foot | Seamless Casing Variations (Includes Heat Treat, Hydro Test and Full Body Ultrasonic Testing Including SEA) | Threading Only |
| 4.500” | .250 | 11.60 | X | X |
| .290 | 13.50 | X | X | |
| .337 | 15.10 | X | X | |
| 5.500” | .304 | 17.00 | X | X |
| .361 | 20.00 | X | X | |
| .415 | 23.00 | X | X | |
| 7.000” | .317 | 23.00 | X | X |
| .362 | 26.00 | X | X | |
| .408 | 29.00 | X | X | |
| .453 | 32.00 | X | X | |
| 7.625” | .328 | 26.40 | X | X |
| .375 | 29.70 | X | X | |
| .430 | 33.70 | X | X | |
| 8.625” | .264 | 24.00 | X | |
| .352 | 32.00 | X | ||
| 9.625” | .352 | 36.00 | X | |
| .395 | 40.00 | X | ||
| .435 | 43.50 | X | ||
| .472 | 47.00 | X | ||
| 10.750” | .279 | 32.75 | X | |
| .350 | 40.50 | X | ||
| .400 | 45.50 | X | ||
| .450 | 51.00 | X | ||
| .495 | 55.50 | X | ||
| 13.375” | .330 | 48.00 | X | |
| .380 | 54.50 | X | ||
| .430 | 61.00 | X | ||
| .480 | 68.00 | X | ||
| .514 | 72.00 | x |
The following grades and connections are available for all of our OD and weight options.
End Finish
J55
PE
LC
BC
SEMI-PREM
L80
PE
LC
BC
SEMI-PREM
N80
PE
LC
BC
SEMI-PREM
SB80
PE
LC
BC
SEMI-PREM
SB85
PE
LC
BC
SEMI-PREM
P110
PE
LC
BC
SEMI-PREM
HCL80
PE
LC
BC
SEMI-PREM
HCP110
PE
LC
BC
SEMI-PREM
CYP110
PE
LC
BC
SEMI-PREM
ICYP110
PE
LC
BC
SEMI-PREM
Electric Resistance Welding (ERW)
PTC Liberty Tubulars is a market leader in the production of ERW pipe for downhole casing and tubing applications.
Processing and Finishing
In addition to being a turnkey supplier of OCTG, PTC Liberty Tubulars is a market leader in the processing and finishing of casing.
