API 5CT OCTG Seamless Casing Pipe 9 5/8" N80 for Oil & Gas Wells - 4 1/2" to 20" OD Range
Price:
Negotiable
MOQ:
1 metric ton
Delivery Time:
Negotiable
Brand:
Zhongshi
Product Description
API 5CT OCTG Seamless Casing Pipe for Oil & Gas Wells
Oil casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells. Inserted into the wellbore and cemented in place, it protects subsurface formations from collapsing while allowing drilling fluid circulation and extraction operations.
Key Features
- Manufactured from high-quality alloy steel
- Hot-rolled seamless construction for superior strength
- Available in OD sizes from 4 1/2" to 20"
- Multiple length options: R1, R2, R3
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | OCTG gas oil well pipe |
| Usage | Tubing for petroleum and natural gas extraction; casing for well structural support |
| Production Type | Seamless steel pipe, welding steel pipe |
| Components | Casing, coupling, thread protector |
| Standard | API 5CT |
| Material Grades | H40, M65, J55, K55, N80, L80, L90, C90, T95, P110 |
| API Thread Types | STC, LTC, BTC |
| Surface Treatments | Fusion bond epoxy coating, coal tar epoxy, 3PE, vanish coating, bitumen coating, black oil coating |
| Testing Methods | Chemical analysis, mechanical properties, technical properties, exterior inspection, hydrostatic test, X-ray test |
Mechanical Properties
| Standard | Steel Grade | Tensile Strength (MPa) | Yield 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 |
Custom sizes and specifications available upon request to meet specific project requirements.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Puyang Zhongshi Group Co., Ltd.
Location
Room2212, B Building, Tiandi Times Square, Weiyang District, Xi'an City, Shaanxi P.R., China
Contact Person
Liza