Class 1-Corronion protective Claes 2- Engineering pl.ati.ng 1.2.2 Grades. class 1 as specified (see6.2): Grade A-0.0016 .GradeB-0.0012 Grade C-0.0010 Grade D-0.0008 Grade E-0.0006 Grade F-0.0004 Grade G-,0.0002 ;:. APPiJCABLE DOCIJMFIJ’23 plating ibdl inch thick inch thick inch ...
Class 1 plating shall be applied over an underplating of copper or yellow brass on zinc and zinc based alloys. In no case, shall the copper underplate (see 3.3.1.1.2 and Table I) be substituted for any part of the specified nickel thickness. ...