Liquid nitriding is a subcritical surface enhancement process with one of the longest track records of success of any case hardening technology.
PVD coatings involve the deposition of thin (2-10 microns; 0.0001" – 0.0004") films on the surface of tools and components.
HEF USA: Wholly-owned subsidiary of the HEF Group charged with the Sales & Marketing of (a) chemicals / salts for Liquid Nitriding – which is a family of proprietary ferritic nitro-carburizing processes commercialized under the trade names of ARCOR®, MELONITE®, and QPQ; (b) Tribology testing services; and (c) engineered bushings for industrial applications.
TECHNIQUES SURFACES USA: Wholly-owned subsidiary of HEF for commercial processing of PVD/DLC coatings and Liquid Nitriding treatments. In Jan 2011, TECHNIQUES SURFACES USA started its first industrial CLIN facility in Kearney, NE, currently dedicated to the processing to high-volume automotive components. Today TS USA operates three facilities in the US: Springfield, OH; Chattanooga, TN; and Kearney, NE. In addition, TS USA has a Liquid Nitriding partnership in Phoenix, AZ operating under the name of TS WEST.
NORTHEAST COATINGS TECHNOLOGY: An HEF Group fully owned company that provides jobbing services for several of our surface treatment technologies. NCT currently offers HEF's line of CERTESS PVD coatings & Liquid Nitriding jobbing services in Kennebunk, Maine. In addition, this facility provides Cathodic Arc-based PVD coatings.
TECH NICKEL: A fully owned HEF Group company, located in Benton Harbor, Michigan, provides Liquid Nitriding jobbing services. In addition, this facility also provides electroless nickel plating, hard chrome and nickle-chrome plating.
CALICO COATINGS: A 50% HEF Group JV that provides jobbing services for several surface technologies, including PVD coatings; PTFE/FEP coatings; Solid-state & Break-in lubricant coatings etc.
TECHNIQUES SURFACES USA (TS USA) facility in Springfield, Ohio and Kearney, NE are ISO/TS16949:2009 (Automotive Standard) certified. The Springfield, OH facility is also equipped with the requisite process controls necessary for Liquid Nitriding of Aerospace applications.