K55 OCTG Casing, Range 3, 5 Inch, API Spec 5CT, 11.5 lb/ft
Key Specifications / Features
Model No.: DB-OCTG-34 Hits: 110
China K55 OCTG Casing Manufacturer Derbo offers K55 OCTG Casing, API 5CT, W.T 11.5 lb/ft, Length Range 3, 5 inch, and BTC Ends.
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Detail Information
Type: OCTG Casing.
Material: K55.
Size: 5 Inch.
W.T: 11.5 lb/ft.
Length: RANGE 3.
Standard: API Spec 5CT.
Ends: BTC.
Material: K55.
Size: 5 Inch.
W.T: 11.5 lb/ft.
Length: RANGE 3.
Standard: API Spec 5CT.
Ends: BTC.
| 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 strength (MPa) |
Tensile strength (MPa） |
|||||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | HRC | HBW | |||||||
| K55 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | 379 | 552 | 655 | ||
