9-5/8" Seamless Steel Casing Pipe – Grade TN90 SS – 43.50 lb/ft – ID 8.435" – R3 Length – API 5CT Standard – High .Strength Oilfield Tubing
The 9-5/8 inch Seamless Steel Casing Pipe, Grade TN90 SS, is designed for high-performance oil and gas well applications. Built according to the API 5CT standard, this casing ensures exceptional structural integrity, high collapse and burst resistance, and durability in demanding environments.
Its seamless steel construction eliminates weld seams, improving resistance to internal and external stresses. The TN90 SS grade delivers superior toughness and corrosion resistance, making it ideal for deep wells, offshore drilling, and geothermal projects.
Each casing undergoes strict quality control to guarantee consistent wall thickness, precise dimensions, and excellent threading compatibility. The R3 length range (40–45 ft) provides optimal reach and stability during well construction.
Whether used in oilfield operations, industrial casing systems, or geothermal wells, this product ensures dependable performance and long-term reliability
Technical Specifications
| Specification |
Details |
| Product Type |
Seamless Steel Casing |
| Outer Diameter (OD) |
9 5/8 in (≈ 244.48 mm) |
| Inner Diameter (ID) |
8.435 in |
| Weight |
43.50 lb/ft |
| Steel Grade |
TN90 SS |
| Length Range |
R3 (40–45 ft / 12–13.5 m) |
| Standard |
API 5CT |
| Manufacturing |
Seamless (Hot Rolled) |
| End Type |
Plain End / Threaded & Coupled |
| Application |
Oil & Gas, Geothermal, Water Wells, Industrial Use |
:Features & Benefit
High resistance to collapse and burst pressures
Excellent performance in corrosive and high-temperature environments
Seamless design for enhanced structural integrity
Long service life and low maintenance cost
:Applications
Oil and gas exploration wells
Deep and high-pressure wells
Geothermal and water wells
Industrial casing systems