API 5CT J55+N80 OCTG Tubing Coupling 3-1/2 EUE Hot Rolled
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| Chemical Composition and Mechanical Property for API 5CT | ||||||||||
| Steel Grade | Chemical Composition | Mechanical Performance | ||||||||
| C(Max) | Mn | P(Max) | S(Max) | Si | Ni(Max) | Cr(Max) | Mo(Max) | Tensile Strength(Min） | Yield Strength(Min） | |
| Mpa | Mpa | |||||||||
| N80 | -- | -- | 0.03 | 0.03 | -- | -- | -- | -- | 680 | 552 |
