Black Zinc Plating Specifications

The zinc layer acts as a sacrificial barrier preventing damage from occurring to the underlying structure.

Black zinc plating specifications.

Operating in accordance with astm b 633 tp2 sc1 standards we executed the appropriate pre plating cleaning as well as both pre and post coating treatment for reducing the risk of. Automotive manufacturers like nissan and honda have a list of specifications that fall under different plating processes such as zinc plating zinc nickel plating stainless steel passivation and others. Black zinc plating is also a popular metal finish thanks to the striking appearance of the finished. Choose between acid or alkaline zinc plating options.

Bright zinc plating closely resembles bright. Zinc plating with chromate can also be used to improve adhesion of secondary paint operations. Kc jones plates zinc to the following specifications. Astm b633 sc1 type iii plus a lubricated topcoat scope this specification covers electrodeposited zinc coatings as applied to steel copper brass and bronze parts to protect them from corrosion.

The most important purpose of zinc plating in terms of functional characteristics is to protect metals from corrosion effects or rust. Mostly a decorative coating. Zinc plating with black chromate offers better corrosion resistance and anti galling characteristics than black oxide. Our automated rack and barrel line capabilities combined with our proprietary chemistry make our black trivalent passivate and hexavalent chromate conversion coating optimal for industries including but not limited to.

Zinc plus clear trivalent chromate plus sealant lubricant part suffix lz. A uniform black coating for ferrousmetals. Steel parts requiring embrittlement relief after plating are baked according to industry. In the automotive industry black trivalent zinc passivate is widely used for part protection and finish.

Threaded features benefit from zinc plating because of its anti galling characteristics. Can be similar in color to. Plating specifications general information page 13 reference only april 2018 nickel qq n 290 coating for steel copper copper alloys zinc and zinc alloys. Black zinc plating is a metal finish that is commonly used to provide the underlying element with additional protection from corrosion.

Black zinc as part of zinc plating different types of zinc plating. Nickel can be deposited soft or hard dull or bright depending upon process used and conditions employed in plating. Specifications called for a black zinc coating to be applied to this part which featured dimensions of 7 in diameter 1 in thickness and a weight of 12 lbs. Plating hardness not to exceed 150 knoophardness 500gm.

Available today from kc jones plating. This final step helps to ensure proper black zinc plating specifications were met.