Specifications
1. API standard.
2. ISO certificate.
3. Register with Sinopec.
4. Technical service.
5. Professional service for export.
Technical Parameters of Non-upset Tubing Coupling No | Specs | OD | Grad | Thread marking | The shortest length | Standard weight | Thread surface | mm | kg | 1 | 1.9 | 55.88 | J55;N80;L80;P110 | 1.9TBG | 95.25 | 0.56 | Phosphating treatment | 2 | 2-3/8 | 73.02 | J55;N80;L80;P110 | 2-3/8TBG | 107.95 | 1.28 | 3 | 2-7/8 | 88.9 | J55;N80;L80;P110 | 2-7/8TBG | 130.18 | 2.34 | 4 | 3-1/2 | 107.95 | J55;N80;L80;P110 | 3-1/2TBG | 142.88 | 3.71 | 5 | 4 | 120.65 | J55;N80;L80;P110 | 4TBG | 146.05 | 4.35 | 6 | 4-1/2 | 132.08 | J55;N80;L80;P110 | 4-1/2TBG | 155.58 | 4.89 |
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