
Volvo – STD 121-0021. Describes requirements and guidelines for the surface treatment of pipes and pipe fittings (Y1600). There are four different requirement levels, tested according to various standards. This standard covers electrolytic cathodic protective surface treatment that is free from hexavalent chromium for corrosion protection of iron and steel parts without friction requirements.
Associated processes
Zinc-nickel, Provexa Earth®, ED coating, Zinc plating