Snap-on Incorporated
CORROSION AND MAR RESISTANCE OF STEEL COMPONENTS

Last updated:

Abstract:

A method of improving corrosion and mar resistance of steel components by creating a black magnetite finish, with a medium temperature process, prior to application of a phosphate layer coating.

Status:
Application
Type:

Utility

Filling date:

8 Jun 2018

Issue date:

12 Dec 2019