Stainless Steel Seamless Pipes
Technical Specifications
- Material & Standards: Austenitic stainless steel grades such as ASTM A312 TP304/304L, TP316/316L, TP321, TP347; Duplex stainless steels; EN 10216-5 grades.
- Manufacturing Method: Seamless hot or cold finished pipe production, typically via extrusion, rotary piercing, or cold drawing.
- Nominal Diameters: DN 6 – DN 1200 mm, tolerances per ASTM A999, EN 10216-5, ISO 1127.
- Wall Thickness Range: 1.0 mm – 50 mm depending on size and schedule.
- Schedules: SCH 5, SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, XXS, or custom.
- Pressure Ratings: Dependent on wall thickness, diameter, and steel grade; calculated per ASME B31.3 or relevant design codes.
- Surface Finish: Pickled and passivated, polished (mechanical/electropolished), or mill finish.
- Ends: Plain ends, beveled ends (per ASME B16.25), or threaded ends.
- Applications: Chemical and petrochemical plants, oil & gas, food & beverage, pharmaceuticals, power generation, marine industries.
- Advantages: Excellent corrosion resistance, high strength, high temperature capability, hygienic properties, long service life.