SixFold Tubos offers a wide range of Stainless Steel Pipes & Tubes including welded/seamless straight, U-tubes and coils, welded & seamless pipes, large dia EFW pipes and rectangular and square sections in various finishes and grades. The company is perhaps one of the very few worldwide to offer as wide a product range. Mother tubes or hollows are procured from reputed manufacturers in India and abroad, and are subjected to a thorough chemical analysis with rigorous physical and mechanical tests. The best quality mother tubes are then cold-rolled on pilger machines and/or cold-drawn on draw benches with precise pull forces, achieving the desired dimensions and a smooth finish. Tubes are then solution annealed, straightened, pickled, passivated before they are inspected, tested and released for dispatch. Polishing is also done wherever required by a customer. Stainless Steel Seamless Pipe & Tube Product Standards Size Range Wall Thickness (mm) Grades Seamless Pipe ASTM A-312 NB to 12 NB 1.20 to 25.40 304/304L/304H; 321/321H; 316/316L/316H; 316Ti; 317L; 347H; 310S; UNS S31803; UNS S32750 1.4301/1.4306; 1.4401/1.4404; 1.4438; 1.4541; 1.4550; 1.4571; 1.4845; 1.4878; 1.4462 Seamless Tube ASTM A-213 ASTM A-268 ASTM A-269 ASTM A-789 NB to 12 NB 0.45mm to 12.7mm
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