IS 1068 : 1993 Eletroplated coatings of nickle plus chromium and copper plus nickel plus chromium

UDC 669.248.26 + 669.387.24.25 : 621.357.7 MTD 24
Reaffirmed 2021

1 Scope

1.1 This standard covers requirements for nickel plus chromiumand for copper plus nickel plus chromium electrodeposited coatingsthat are applied to iron, steel, zinc alloys, copper and copperalloys, and aluminium and aluminium alloys to provide an attractiveappearance and corrosion resistance. Several classes of coatingsare provided that differ in thickness and type and guidance isgiven in selecting the coating class appropriate to the serviceconditions to which the coated product will be exposed.

1.2 This standard does not specify the surface conditionrequired by the basis metal prior to the coating process.

1.3 This standard is not applicable to coatings on sheet, stripor wire in the unfabricated form nor to threaded fasteners or coilsprings.

2 References

IS 3203 : 1982Methods of testing local thickness of electroplatedcoatings.

IS 5528 : 1985 Methodof testing corrosion resistance of electroplatedand anodized aluminium coating by copper acceleratedacetic acid salt spray (CASS) test.

IS 6009 : 1970 Methodfor evaluation of results of accelerated corrosiontests.

IS 6910 : 1985 Methodof testing corrosion resistance of electroplatedand anodized aluminium coatings by acetic acid salt spraytest.

IS 8038 : 1985 Methodof testing corrosion resistance of metallic andnon-organic coatings by corrodkote test.