POWER OF PROCESS QUALITY OF SERVICE

17 • cutting off tubes • internal and external end beveling • skiving and roller - burnishing of inner surface of tubes • bending of tubes Zinc plated seamless precision steel tubes OD: 4,0 – 42,0 mm WT: 0,5 – 5,0 mm • coating thickness 8 – 30 micrometers • the second layer Cr (Cr 6+ Free) • after agreement it is possible to seal Zn/Cr coating • additional PVC or polyester coating possible • transparent passivation (An), iridescent passivation (Cn) • marking Fe/Zn8/An/T0 (example) Final treatment of precision tubes