OCTG Casing
Any question about our OCTG casting, please email sales@shengjipetro.com. You will get reply within 24 hours!
Key Features
- Inner and outer walls of pipe have high accuracy, excellent roughness (Ra=0.2 – 0.6).
- Materials can be altered to meet customers’ requirements.
- Inner and outer wall smooth finish.
- Able to withstand high pressure.
OCTG Casing
Shengji is the leading OCTG casing manufacturer in China. We owns 8 thread processing lines, 2 upsetting lines (the 1st upsetting line among oil field API 5ct tubing Manufacturers in China), 1 leading domestic steel pipe overall heat treatment line, 1 surface rust removal line and NDT line. Shengji produces 120,000 tons of OCTG casing every year, for its domestic and international markets. Every OCTG casing is manufactured as per the API 5CT certification that Shengji obtained 10 years ago.
We have adopted strict quality inspection with the help of high-tech test tools to ensure all OCTG casings meet customer requirements. The available Shengji seamless casing range from 4-1/2’’to 20’’ with material grades H40, J55, K55, N80, L80, C95, P110 etc. The thread options include STC.BTC.LTC and premium threads.
| Steel Grade | Size | O.D. (mm) | Nominal Weight
(lb/ft) |
W.T. (in) | End Type |
| J55, K55，N80,
L80, P110 |
4 1/2 | 114.30 | 11.60,
13.50 |
0.250, 0.290 | Long (Short) Round Thread |
| 5 1/2 | 139.70 | 17.00,
20.00, 23.00 |
0.304, 0.361, 0.415 |