This kind of tubing is made of new high strength and effective costs anti-corrosion material. The mechanical properties are equal to API standard. With the favorable anticorrosion performance of 316L Stainless, 304L Stainless, Nickel based alloy, it is special for the oil, gas and water wells with serious corrosion and eccentric wear.
◆ Geometric Parameter Table
| Size | Nominal W.G | W.T | |||||
| NU | EU | ||||||
| in | mm | lb/ft | kg/m | lb/ft | kg/m | in | mm |
| 2 3/8 | 60.33 | 4.60 | 6.85 | 4.70 | 6.99 | 0.190 | 4.83 |
| 2 7/8 | 73.03 | 6.40 | 9.52 | 6.50 | 9.67 | 0.217 | 5.51 |
| 3 1/2 | 88.9 | 9.20 | 13.69 | 9.30 | 13.84 | 0.254 | 6.45 |
◆ Mechanical Performance Correlation Table
| New Material Steel Grade | Yield Strength (Mpa) | API Spec 5CT Steel Grade | Yield Strength (Mpa) |
| 80 | ≥ 577 | 80 | 552~758 |
| 90 | ≥ 712 | 90 | 621~724 |
| 95 | ≥ 851 | 95 | 655~758 |
| 110 | ≥ 980 | 110 | 758~965 |