Feature highlights:This API 5CT seamless steel pipe, with a diameter of 2”-32” and wall thickness options including SCH40 and SCH80, is ideal for oil and gas well drilling. It supports various grades such as J55, K55, N80, and L80, ensuring adaptability to diverse applications. The product meets CE certification standards, guaranteeing compliance with EU safety regulations and enabling market access. The surface treatments include black painting, varnish, and epoxy coating, offering durability and corrosion resistance.
| Category | Specification |
|---|---|
| Product Name | Oil Casing Pipe |
| Material | API 5CT N80, L80, P110, J55, K55 |
| Standard | API 5CT, ASTM, AISI, DIN, GB |
| Grade | API 5CT |
| Certificate | ISO 9001 |
| Special Pipe | API Pipe, Thick Wall Pipe, Other |
| Application | Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe, Other |
|---|---|
| Usage | Oil, Gas, Sewage Transport |
| Processing Service | Welding, Punching, Cutting, Bending, Decoiling |
| Alloy Or Not | Is Alloy |
| Technical Specifications | |
|---|---|
| Section Shape / Shape | Round / Round Pipe Tube |
| Surface Treatment / Surface | As Required |
| Tolerance | ±1% |
| Length | 12m, 6m, 6.4m / R1, R2, R3 |
| Oiled or Non-oiled | As Required |
| Supply & Logistics | |
|---|---|
| Place of Origin | Shandong, China |
| MOQ | 5 Tons |
| Delivery Time | Within 7 days |
| Invoicing | By Actual Weight |
| Payment Terms | 30% T/T Advance + 70% Balance |
| Packaging and Delivery | |
|---|---|
| Packing | Standard Seaworthy Packing |
| Selling Units | Single item |
| Single Package Size | 3X2X5 cm |
| Single Gross Weight | 10.000 kg |
| Name | API 5CT steel pipe |
| Outer Diameter | 2''~32" |
| Wall Thickness | SCH10,SCH20,SCH30,STD,SCH40,SCH60,XS,SCH80, SCH100,SCH120, SCH140,SCH160,XXS,DIN, JIS standard thickness |
| Length | 4m~12m or depending on customers' requirements |
| Standard | API 5CT,GB/T 19830,SY/T6194 |
| Grade | J55,K55,N80,L80(13Cr),P110 etc |
| Application | Low and middle pressure fluid pipeline, boiler, petroleum And natural gas industry, drilling, chemical |
| Surface | Black painting, varnish, transparent oil, hot galvanized, 3PE,epoxy coating,BE,PE.etc. |
| Package | As per customers' request |
| Certificate | API 5ct ISO |
| Price term | EXW FOB CIF |
| Payment | L/C. T/T. |
| Advantages | 1.Reasonable price with excellent quality 2.Abundant stock and prompt delivery 3.Rich supply and export experience, sincere service 4.Reliable forwarder, 2-hour away from port. |
| Grade | Type | Total elongation under load (%) | Yield strength (min)Mpa | Yield strength (max)Mpa | Tensile strength min Mpa | Hardness Max (HRC) | Hardness Max (HBW) |
| J55 | - | 0.5 | 379 | 552 | 517 | - | - |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| C90 | - | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
| C95 | - | 0.5 | 655 | 758 | 724 | - | - |
| T95 | - | 0.5 | 655 | 758 | 724 | 25.4 | 255 |
| P110 | - | 0.6 | 758 | 965 | 862 | - | - |
| Q125 | All | 0.65 | 862 | 1034 | 931 | - | - |
Packaging & Delivery
Packaging Details:
1. Small OD: In hexagonal bundle with steel strips
2. Large OD: In bulk
3. Wrapped in waterproof plastic woven bag
4. Filled in wooden cases
5. As required
Delivery Detail:Shipped in 7-15 days after payment 
Oil and Gas Well Casing Tube is a large-diameter steel pipe that serves as the structural retainer for a drilled wellbore. It is vital for maintaining well integrity from the surface to the target reservoir. The primary functions are to prevent the borehole wall from collapsing, isolate unstable or high-pressure geological formations, and protect freshwater aquifers from contamination. This robust tubing, manufactured to stringent API standards like 5CT, ensures a safe and secure pathway for drilling and production. It is engineered to withstand immense external pressures, internal burst loads, and tensile forces during its installation and throughout the well’s entire operational lifecycle.
