Metal Finishing & Hard Chromium for the following industries:

Extends the life of the part.
Provides very good corrosion protection.
Coefficient of friction is 0.015 to 0.40 on steel.
Taber Wear is 2-3 mg/1000 cycles.
Non-magnetic.
The melting point of chrome is 1610 degrees C.
Adhesion strength is 35,000 PSI.
Ductility is 0.1%.
Ultra-hard, durable coating used for wear, abrasion and corrosion resistant protection
Hard Chromium is used to repair worn or mis-machined parts
Range of thickness from .000020″ to .035”+
Capacity is 16 feet long and 2 tons

We perform Mass Finishing Vibratory Tumbling and Deburring.

National Chromium also sells the media and compounds used in vibratory polishing or deburring.

Applications for Hard Chrome:

Used in machinery and mating surface applications because of its hardness.
National Chromium has extensive experience fabricating fixtures and auxiliary anodes which enables us to efficiently apply chrome on intricate components and surfaces.
Hard Chrome’s resistance to abrasives results in a longer life for mold components and provides for better mold release characteristics and easier mold cleaning.
Hard Chrome is used extensively to repair worn or scored machine parts, shafts and cylinders.
Several cost effective masking methods are utilized to protect surfaces and areas that do not require plating.

National Chromium
10 Senexet Rd
Putnam, CT 06260
PH: 860-928-7965