API 5CT Seamless Oil Well Casing Pipe 4.5-20 Inch Diameter J55-K55-N80-L80-P110 Steel Grades
Price:
Negotiable
MOQ:
1 metric ton
Delivery Time:
Negotiable
Brand:
Zhongshi
Product Description
API 5CT Certified Seamless Oil Well Casing Pipe
Oil well casing pipe is a large-diameter seamless steel tube that is assembled and inserted into drilled borehole sections, typically secured in place with cement. These pipes provide structural integrity and prevent well collapse in various geological conditions.
Product Specifications
Available Sizes & Grades
| Size | Linear Mass (lb/ft) | Outside Diameter | Wall Thickness | Steel Grades |
|---|---|---|---|---|
| 4 1/2" - 20" | 9.5 - 133 | 114.3mm - 508mm | 5.21mm - 20.24mm | J55, K55, N80, L80, P110 |
Key Features
- Length range R3 (longest standard length)
- API 5CT certified seamless construction
- Available in multiple steel grades for different well depths
- Corrosion-resistant options for harsh environments
- Anti-collapse performance for complex geological conditions
- Thread types: BTC, LTC, STC
Mechanical Properties
| Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| J55 | ≥517 | 379-552 | 0.5 |
| K55 | ≥655 | 379-552 | 0.5 |
| N80 | ≥689 | 552-758 | 0.5 |
| L80 | ≥655 | 552-655 | 0.5 |
| P110 | ≥862 | 758-965 | 0.6 |
Thread Options
Available with standard thread configurations including Buttress Thread (BTC), Long Thread (LTC), and Short Thread (STC) to meet various connection requirements.
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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