API 5CT Seamless Steel Casing Pipes 4.5-20 inch Diameter with J55 K55 N80 L80 P110 Steel Grades
Price:
Negotiable
MOQ:
One metric ton
Delivery Time:
Negotiable
Brand:
Zhongshi
Product Description
API 5CT Seamless Steel Casing Pipes
Oil casing is large diameter seamless pipe assembled and inserted into drilled borehole sections, typically secured with cement for structural integrity and environmental protection.
Product Specifications
Puyang Zhongshi Group provides comprehensive casing solutions ranging from 4-1/2" to 20" diameters with steel grades including J55, K55, N80, L80, and P110. Available in standard length ranges R1, R2, R3 with thread types BTC, LTC, and STC.
Key Features
- Length range R3 for extended well coverage
- API 5CT certified seamless construction
- Multiple steel grades for varying well conditions
- Corrosion resistance for harsh environments
- Anti-collapse performance for complex geology
Dimensional Specifications
| Size (inch) | Linear Mass (lb/ft) | Outside Diameter (mm) | Wall Thickness (mm) | Grade Compatibility |
|---|---|---|---|---|
| 4 1/2" | 9.5 - 15.1 | 114.3 | 5.21 - 8.56 | J55, K55, N80, L80, P110 |
| 5" | 11.5 - 24.1 | 127 | 5.59 - 12.7 | J55, K55, N80, L80, P110 |
| 5 1/2" | 14 - 43.1 | 139.7 | 6.2 - 22.23 | J55, K55, N80, L80, P110 |
| 6 5/8" | 20 - 32 | 168.28 | 7.32 - 12.06 | J55, K55, N80, L80, P110 |
| 20" | 94 - 133 | 508 | 11.13 - 16.13 | J55, K55 |
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 |
Application Benefits
Different steel grades are selected based on well depth requirements, with corrosion-resistant options for harsh environments and enhanced anti-collapse performance for complex geological conditions.
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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