API 5CT Casing And Tubing
Cross-border settlement available in UAE Dirham (AED) and Chinese Yuan (RMB)
Payment collection through authorized third-party trading companies available for specific transactions
Steel mill certificates (Mill Test Certificates, MTC)
Heat number traceability records
Third-party inspection reports (SGS/BV) upon request
API 5CT Casing Pipe & Tubing Supplier for Oil & Gas Wells with Flexible Payment Solutions
GNEE Pipe Supply：
Cross-border settlement available in UAE Dirham (AED) and Chinese Yuan (RMB)
Payment collection via officially authorized third-party trading companies for designated transactions
Contact now for casing and tubing:
Product Range
Casing & Tubing Size:
Outside Diameter: Casing: 114.3 – 762 mm Tubing: 26.7 -114.3 mm;
Wall Thickness: Casing: 5.21 – 20.0 mm Tubing: 2.87 – 16.0 mm;
Length: Tubing: R1(6.1 – 7.32 mm),R2(8.53 – 9.75 mm); Casing: R1(4.88 – 7.62 mm), R2(7.62 – 10.36 mm), and R3(10.36 – 14.63 mm)
Standard & Grade: API 5CT, J55, K55, L80, N80, P110, C90, T95, Q125
Casing Tubing Ends: P(Plain end), BTC, STC, LTC, NU, EU, EUE, Premium Connection
High thread accuracy, uniform wall thickness, and strict batch consistency ensure reliable field assembly and prevent thread mismatch or connection failures during installation.
Our Case
Contact now for your Oil and Gas Project
Casing and Tubing MTC
We provide J55–Q125 casing and tubing with full MTC traceability, SGS inspection support, and export documentation assistance.
Why Choose GNEE Pipe
Competitive Pricing Advantage
30–40% lower pricing compared with European and American suppliers
10–15% lower pricing compared with Chile suppliers
We provide cost-effective API 5CT casing and tubing solutions while maintaining strict compliance with international quality standards.
Reliable Supply & Fast Delivery
Sufficient production capacity to support large-volume orders
Regular specifications available from stock for fast shipment
Flexible production scheduling to meet urgent project requirements
Full Traceability Service
Every casing and tubing pipe is fully traceable throughout the supply chain. We provide complete documentation, including:
Steel mill certificates (Mill Test Certificates, MTC)
Heat number traceability records
Third-party inspection reports (SGS/BV) upon request
Strict Quality Assurance
Each batch of oil casing and tubing undergoes comprehensive inspection before shipment, including:
Hydrostatic pressure testing
Impact testing
Hardness testing
Tensile testing
Non-destructive testing (NDT), including ultrasonic testing when required
Complete inspection reports are provided to ensure full quality transparency before delivery.
Flexible Payment Solutions
Cross-border settlement available in UAE Dirham (AED) and Chinese Yuan (RMB)
Payment collection through authorized third-party trading companies available for specific transactions
Complete Import & Customs Documentation
We provide all necessary export and import clearance documents, including:
Commercial Invoice
Packing List
Bill of Lading (B/L) - consignee details can be arranged according to the requirements of the Saudi Arabian customs clearance agent
Certificate of Origin (COO)
API 5CT Mill Test Certificate (MTC)
Third-Party Inspection Certificate (SGS/BV or other agencies as required)
Saudi Arabia Import License / Order Registration (when applicable)
API OCTG Pipe test and inspection
Raw Material Checking, Chemical Analysis, Mechanical Test, Visual Inspection , Tension Test, Dimension Check, Bend Test , Flattening Test, Impact Test, DWT Test, NDT Test, Hydrostatic Test, Hardness Test…..
Marking, Painting before delivery.
API 5CT Grades and Specifications
| Grade | Minimum Yield Strength | Typical Application |
|---|---|---|
| J55 | 55 ksi (379 MPa) | Shallow oil, gas, and water wells |
| K55 | 55 ksi (379 MPa) | General-purpose casing applications |
| N80 Type 1 | 80 ksi (552 MPa) | Medium-depth and higher-pressure wells |
| L80 Type 1 | 80 ksi (552 MPa) | Mild sour-service environments |
| L80 13Cr | 80 ksi (552 MPa) | CO₂ corrosion environments |
| C90 | 90 ksi (621 MPa) | Sour-service wells containing H₂S |
| T95 | 95 ksi (655 MPa) | Severe sour-service applications |
| P110 | 110 ksi (758 MPa) | Deep and high-pressure wells |
| Q125 | 125 ksi (862 MPa) | High-pressure applications requiring very high strength |
The most commonly used casing grades worldwide are J55, K55, N80, L80, and P110 because they cover the majority of conventional drilling and production requirements.
GNEE Supply Range
Dimensions and Sizes of API 5CT (Tubing and Casing)
Check Stock Availability & Fast Delivery Schedule
Specification & Size of API 5CT Casing
Chemical Composition of API 5CT (Tubing and Casing)
Mechanical Properties Tensile Strength and Yield Strength of API 5CT (Tubing and Casing)
Color Codes for API 5CT Casing and Tubing
From standard casing to premium connections, we deliver customized API 5CT solutions for drilling and production operations.
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