Sulfamate Nickel Plating

Sulfamate Nickel Plating The plating conforming to this specification is intended to facilitate the formation of a seal between two metallic surfaces. PLATING HARDNESS. Not to exceed 150 Knoop hardness (500 gm. load) after annealing. (or 300 Knoopbefore annealing) Inact. Notice 3.
Spec.	Thickness	Comment
MIL-P-27418	Unless otherwise specified: 0.0020" ± 0.0003" on all surfaces that can be touched by .0625" Dia. Ball.	The nickel plating shall have a columnar crystalline structure before annealing. Unless otherwise specified the bath shall be chloride free.

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