Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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OCTG Steel Tube Seamless Casing Pipe For Oilfield Well Drilling Using
Oil casing pipe descriptions:
Casing pipe is the steel pipe to support the wall of oil & gas wells, which falls into surface casing,
protective casing and production casing.
Features:
1. Alloy steel pipe
2. Hot-rolled seamless pipe
Technical specification:
| OD | 4-1/2“ to 20” / 114.3mm to 508mm |
| Wall Thickness | 5.21 - 22.22 mm |
| Thread | STC.BTC.LTC |
| Length | R1(4.88-7.62M). R2(7.62-10.36M). R3(10.36-14.63Meters) |
| Standard | API 5CT |
| Steel grade | J55, K55, M65, N80, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C90, C95, T95, P110, Q125 |
Mechanical Properties:
| Grade | Yield Strength | Tensile Strenght | Hardness | Allowable | |||||
| Min | Max | Min | Max | Max | Hardness | ||||
| Psi | Mpa | Psi | Mpa | Psi | Mpa | HRC | BHN | Variation | |
| J55 | 55,000 | 379 | 80,000 | 552 | 75,000 | 517 | - | - | - |
| K55 | 55,000 | 379 | 88,000 | 552 | 95,000 | 655 | - | - | - |
| N80 | 80,000 | 552 | 110,000 | 758 | 100,000 | 689 | - | - | - |
| N80-1 | 80,000 | 552 | 95,000 | 655 | 95,000 | 655 | 23 | 241 | - |
| C90 | 90,000 | 621 | 105,000 | 724 | 100,000 | 689 | 25.4 | 255 | 3 |
| C95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | - | - | - |
| T95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | 25.4 | 255 | 3 |
| P110 | 110,000 | 758 | 140,000 | 965 | 125,000 | 862 | - | - | - |
