Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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API 5CT Special 13Cr Oilfield Tubing Pipe Steel Grade L80 P110 In OCTG
13Cr tubing description:
13Cr alloy steel oil tubing pipe can be applied to oil and gas well production that contain carbon dioxide
and chlorine ion acidic medium. Meanwhile, in order to adapt to the high temperature and the bad
environment of carbon dioxide and a small amount of hydrogen sulfide
coexist.
This kind of pipe not only has a higher strength and excellent corrosion resistant properties, but also
has good low temperature toughness.
Features:
1. CO2 resistant oil pipe
2. Seawater corrosion resistant oil pipe
Technical specification:
| Specification | Weight code | Outside diameter (mm) | Wall thickness (mm) | Inner diameter (mm) | Calculated weight | ||||
| NUE(with thread and coupling) | EUE(with thread and coupling) | Plain end (kg/m) | Changed weight due to end process(kg) | ||||||
| Plain(with thread and coupling) | External upset threaded and coupled | ||||||||
| standard coupling | special coupling | ||||||||
| 1.9 | 2.75 | 2.9 | 48.26 | 3.68 | 40.9 | 4.05 | 0.27 | 0.91 | - |
| 2-3/8 | 4.6 | 4.7 | 60.32 | 4.83 | 50.66 | 6.61 | 0.73 | 1.81 | 1.34 |
| 2-7/8 | 6.4 | 6.5 | 73.02 | 5.51 | 62 | 9.17 | 1.45 | 2.54 | 1.71 |
| 2-7/8 | 8.6 | 8.7 | 73.02 | 7.82 | 57.38 | 12.57 | 1.18 | 2.27 | 1.43 |
| 3-1/2 | 9.2 | 9.3 | 88.9 | 6.45 | 76 | 13.12 | 2.27 | 4.17 | 2.45 |
| 3-1/2 | 12.7 | 12.95 | 88.9 | 9.52 | 69.86 | 18.64 | 1.81 | 3.72 | 2 |
| 4 | 10.7 | 11 | 101.6 | 6.65 | 88.3 | 15.57 | - | 4.81 | - |
| 4-1/2 | 12.6 | 12.75 | 114.3 | 6.88 | 100.54 | 18.23 | 2.72 | - | - |
Mechanical properties:
| Steel Grade | Yield Strength Ksi(Mpa) | Mild tensile Ksi(Mpa) | Elongation | hardness (HRC) | |
| Min | Max | Min | Max | ||
| L80-13cr | 80 (552) | 95 (655) | 95 (655) | API5CT | 23 |
| C95-SP13Cr1 C95-SP13Cr2 | 95 (655) | 110 (758) | 110 (724) | 30 | |
| p110-Sp13Cr1 p110-Sp13Cr2 | 110 (758) | 140 (965) | 125 (862) | 33 | |
Chemical composition:
| Steel Grade (L80) | C % | Si % Max | Mn % | P % Max | S % Max | Cr % | Ni % | Mo % | Cu % Max |
| 13cr | 0.15-0.22 | 1 | 0.15-1.00 | 0.02 | 0.01 | 12.0-14.0 | max0.5 | - | 0.25 |
| sp13cr1 | max0.04 | 0.55 | max0.07 | 0.02 | 0.01 | 12.0-14.0 | 3.50-4.60 | 0.8-1.6 | - |
| sp13cr2 | max0.04 | 0.55 | max0.07 | 0.02 | 0.01 | 12.0-14.0 | 4.80-5.50 | 1.8-2.6 | - |
