Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Casing seamless pipe is mainly used for supporting the wall of the well during and after the drilling to
ensure the drilling process and the normal operation of the entire well after completion. The oil casing
pipe is the lifeline for maintaining the operation of the oil well.
| Standard | API 5CT/ ISO11960 | |
| Grade | Group.1 | H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, K55/PSL.1, K55/PSL.2, K55/PSL.3, N80(1)/PSL.1, N80(1)/PSL.2, N80(Q)/PSL.1, N80(Q)/PSL.2, N80(Q)/PSL.3 |
| Group.2 | M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, L80(1)/PSL.3, L80(9Cr)/PSL.1, L80(13Cr)/PSL.1, C90/PSL.1, C90/PSL.2, C90/PSL.3, T95/PSL.1, T95/PSL.2T95/PSL.3 | |
| Group.3 | P110/PSL.1, P110/PSL.2, P110/PSL.3, | |
| Group.4 | Q125/PSL.1, Q125/PSL.2, Q125/PSL.3, | |
| Minimum Order Quantity | Negotiable | |
| Outside Diameter | Casing | 4 1/2 inch to 20 inch or 114.3mm to 508mm |
| Wall Thickness | According to API 5CT Standard | |
| Length | Casing | R1 (4.88m to 7.62m), R2 (7.62m to 10.36m), R3 (10.36m to 14.63m) |
| Processing type | Seamless | |
| Type of End-Finish | Casing | P, S, B, L |
Mechanical properties:
| Standard | Steel grade | Tensil Strength(Mpa) | Yeild Strength(Mpa) | Elongation(%) |
| API 5CT | J55 | ≥517 | 379~552 | 0.5% |
| API 5CT | K55 | ≥655 | 379~552 | 0.5% |
| API 5CT | N80 | ≥689 | 552~758 | 0.5% |
| API 5CT | L80 | ≥655 | 552~655 | 0.5% |
| API 5CT | P110 | ≥862 | 758~965 | 0.6% |
