METAL

All

APLICABLE SPECIFICATION

QQ-N-290

CLASS1- Corrosion protective.

CLASS2 – Engineering ( also see SULFAMATE NICKEL).

NORMAL COATING THICKNESS AND COLOR APPEARANCE

CLASS1

Grade A- .0016
Grade B- .0012
Grade C- .0010
Grade D- .0008
Grade E- .0006
Grade F- .0004

CLASS 2- as specified.

COMMENTS

Nickel can be deposited in soft or hard form, dull or brigh finish. Corrosión resistance is relaed to the thickness applied. Low termal expansión. Slightly magnetic.
There is a nickel finish for almost any need. Nickel can be deposited in soft or hard form, dull or brigh finish. Corrosión ressintance is relaed to the thickness applied. Low termal expansión. Slightly magnetic. CLASS 2 plating will be .002 to .003 thick unless otherwise specified, bum ay be conrolled to fit any engineering aplication. Class 1 coating that include sooper undercoat are used for decorative chromium systems. Embrittlement relief is required on all metals with hardnesses above rock-well C40.