API Spec 5CT Seamless Casing Pipe For Petroelum Industry In Hot Sale
Descriptions of casing pipe:
1. Alloy steel seamless oil pipe
2. Size OD from 4 1/2”-20”
3. Length range R3
4. API thread type BTC LTC STC
Features:
1. 4 1/2”-20” seamless casing
2. Hot rolled pipe
Technical specification:
| Casing OD | 4 1/2" - 20" |
| W.T. | 5.21-22.22 mm |
| 14.14-197.93 kg/m | |
| Nominal weight | 9.5-133.0 Ib/ft |
| Technique | Hot rolled |
| Steel grade | J55, K55, M-65, N80, L80, C-95, N-80 Q , C-90, T-95, P-110 ect. |
| Standard | API SPEC 5CT, ISO11960 |
Mechanical Properties:
| steel grade | type | total elongation under load (%) |
yield strength (Mpa) |
tensile strength (Mpa) min | hardness max | ||
| min | max | HRC | HBW | ||||
| H40 | - | 0.5 | 276 | 552 | 414 | - | - |
| J55 | - | 0.5 | 379 | 552 | 517 | - | - |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - |
| M65 | - | 0.5 | 448 | 586 | 586 | 22 | 235 |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
| P110 | - | 0.6 | 758 | 965 | 862 | - | - |
