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Manufacturing process

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Manufacturing process

Hot Piercing is used for manufacturing hot finished tubes and pipes
Cold rolling is a widely  used step for the production of seamless, cold-finished, high alloyed stainless steel and nickel based alloy tubes and pipes, with a process able to reach lower outside diameters and tighter tolerances than the hot pierced hollows
Cold drawing is used to obtain tight tolerance ranges , for outside  diameters but also for wall thicknesses.
Annealing.  is to release the stress after cold process