China Casing API Spec 5CT Casing 9 5/8 Inch Grade C90-1 32.3 lb/ft Range 3 BTC Steel Casing
Technical Specification
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Company Introduction
| 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 | 30 Ton | |
| Outside DiameterRanges | Tubing | 1.66 inch to 4 1/2 inch or 42.16mm to 114.3mm |
| Casing | 4 1/2 inch to 20 inch or 114.3mm to 508mm | |
| Wall Thickness | According to API 5CT Standard | |
| Length | Tubing | R1 (6.10m to 7.32m), R2 (8.53m to 9.75m), R3 (11.58m to 12.80m) |
| Casing | R1 (4.88m to 7.62m), R2 (7.62m to 10.36m), R3 (10.36m to 14.63m) | |
| Type | Seamless | |
| Type of End-Finish | Tubing | P, I, N, U |
| Casing | P, S, B, L | |
Technical Specification
| Item | Tolerance | |
| OD | D<114.3mm | ±0.79mm |
| D≥114.3mm | +1%D | |
| -0.5%D | ||
| WT | -12.50% | |
| Weight | Single Lengths | +6.5%,-3.5% |
| Carload 18 144 kg (40 000 lb) or more | -1.75% | |
| Carload less than 18 144 kg (40 000 lb) | - 3,5 % | |
| Chemical Composition and Mechanical Property | |||||||||||||||||||
| Steel Grade | Type | Chemical components | Mechanical performance | Hardness Max. | |||||||||||||||
| C | Mn | Mo | Cr | Ni (Max) | Cu (Max) | P (Max) | S (Max) | Si (Max) | Yield Strenght (MPa) | Tensile strenght (MPa) | |||||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | HRC | HBW | |||||||
| T95 | 1 | - | 0.35 | - | 1.2 | 0.25d | 0.85 | 0.4 | 1.5 | 0.99 | - | 0.02 | 0.01 | - | 655 | 758 | 724 | 25.4 | 255 |
Company Introduction
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