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Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > API 5CT Casing Pipe – OCTG Oil Well Casing Grades J55 / K55 / N80 / L80 / P110 / Q125
API 5CT Casing Pipe – OCTG Oil Well Casing Grades J55 / K55 / N80 / L80 / P110 / Q125
Product Spotlights
API 5CT casing pipe for oil and gas well drilling and completion. API Monogram licensed. Full traceability.
Grades: J55, K55, N80, L80, C95, P110, Q125
OD: 4-1/2″ – 20″ | WT: 5.2-22.2mm
Connections: STC, LTC, BTC, or premium
Negotiable
MOQ: 1 Metric Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Type:
Seamless
Warranty:
1 Y
Technique:
Cold Drawn
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
30 days
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Type
Seamless
Warranty
1 Y
Technique
Cold Drawn
Surface Treatment
Oiled
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Other
Material
Carbon Steel
After-sales Service
Y
Section Shape
Round
Transport Package
Hexagonal or square bundles
Specification
6-256MM
Trademark
N/A
Origin
CHINA
API 5CT Casing Pipe – OCTG Oil Well Casing
Grades J55 / K55 / N80 / L80 / P110 / Q125
Product Overview
API 5CT casing pipe for oil and gas well drilling and completion. API Monogram licensed. Full traceability.
Grades: J55, K55, N80, L80, C95, P110, Q125
OD: 4-1/2″ – 20″ | WT: 5.2-22.2mm
Connections: STC, LTC, BTC, or premium
✅ API 5CT 10th Edition / ISO 11960
✅ API Monogram – full traceability
✅ Seamless or ERW
✅ 100% hydrostatic + NDT tested
✅ EN 10204 3.1 MTC with heat number
✅ Sour service grades available (L80, C95)
Grade Selection Guide
| Grade | Yield (psi) | Best Application |
|---|---|---|
| J55 / K55 | 55,000 | Shallow wells, surface casing |
| N80 | 80,000 | General purpose, moderate depth |
| L80 Type 1 | 80,000 | Sour service (H₂S) |
| P110 | 110,000 | Deep wells, high pressure |
| Q125 | 125,000 | Ultra-deep wells, extreme conditions |
Common Stock Sizes
| OD (inch) | Connection |
|---|---|
| 7″ | LTC, BTC |
| 9-5/8″ | STC, LTC, BTC |
| 13-3/8″ | STC, LTC |
Contact
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website:
Tags: API 5CT Casing Pipe OCTG J55 Casing P110 Casing
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1Yr
Business Type
Trading Company
Year Established
2021
Factory Size
50,000-100,000 square meters
Annual Export Value
Below US$1 Million
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