Products

Drill Pipe in API 5DP, Diameters from 2 3/8” to 6 5/8”, Grade DZ50, E75, R780, X95, G105, S135

Slip on Flange, Weld Neck Flange, Socket Welding Flange, Thread Flange, Blind Flange, DN Flange available.

Ball Valves, Gate valves, Globe valves, Check valves, Butterfly valves available in API 6D / API 600

precision stainless steel tubing is stainless tubing manufactured with tighter dimensional tolerances, cleaner internal surfaces, and more consistent straightness/ovality—so it performs predictably in critical fluid, gas, and instrumentation systems. It is widely used in ultra-clean and high-reliability environments such as semiconductor, nuclear power, and bio-pharmaceutical process lines. Where high-precision stainless steel tubing is used • […]

In high-pressure oilfield operations, even minor component issues—such as incorrect figure numbers, pressure ratings, or thread types—can lead to costly delays. These problems often arise from hammer unions, which are critical to maintaining pressure integrity. Octal Pipe offers a full range of high-pressure hammer unions designed for applications like frac spreads, choke manifolds, and well […]

Steel plates, coils in API Line Pipe Steel API 5L, 5CT, ASTM A36, ASTM A516, ASTM A283, ASTM A537, ASTM A572 etc.

What Is a Premium Connection Special Thread and Why Use It？ A premium connection (special thread) is an engineered OCTG connection designed to deliver gas-tight sealing and predictable make-up integrity under combined loads—internal pressure, temperature cycling, bending in deviated/horizontal wells, compression, and running torque. In practice, final series selection should be aligned to size/grade, service […]

Wellhead, Christmas tree in API 6A, Materia class in AA-ff, AA, BB, CC, DD, EE, FF, HH, NL

Octal Steel provides complete, integrated production lines for LSAW, SSAW, ERW, seamless pipe and anti-corrosion coating. All sections — from plate/coil preparation, forming and welding to NDT, beveling and 3LPE/FBE coating — are designed to work together as one system, not as separate islands of equipment. When you invest in a steel pipe plant, you […]

Stainless steel pipe fittings (butt-weld) for pressure piping are commonly supplied to ASTM A403 as WP-grade austenitic stainless fittings, primarily WP304/WP304L and WP316/WP316L, used for directional change, branching, reduction, and end closure in stainless lines. Acceptance in procurement and site receiving is typically driven by four verifiable items: grade and heat traceability, dimensional conformity to […]

Overview FBE coating is a fusion bonded epoxy coating applied to preheated steel as an epoxy powder, where the powder melts, flows, and cures into a continuous cross-linked film—creating an electrically insulating, moisture-resistant corrosion barrier for long-term pipe coating in buried, submerged, or chemically aggressive service. This heat-driven melt-and-cure bonding mechanism is known as fusion […]

Vacuum Insulated Tubing (VIT) – OCTAL Technical Overview Thermal-Control Tubing for Steam Injection, Heavy Oil Production, Deep water Wells & Geothermal Systems Maintaining temperature inside the well-bore is essential for a wide range of modern oil & gas and geothermal operations. Heat loss not only reduces production efficiency but also increases risks such as wax deposition, […]