IS 12393-1988

标准号：IS 12393-1988
发布日期：1989/1/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.Covers nickel electrodeposited coatings that are applied to iron or steel, zinc alloys, copper or copper alloys, and aluminium and aluminium alloys to provide an attractive appearance and corrosion resistance. Several classes of coatings are provided that differ in thickness. The selection of coating class depends upon the service grade to which the coated product may be exposed.1.2 The minimum thickness requirements apply to those portions of the significant surface that can be touched by a ball 20 mm in diameter. All other requirements must be satisfied on the whole of the significant surface defined in 2.