Three J’s Industries can bake plated parts in their 3,000 lb. batch furnaces, to reduce the potential for undesirable hydrogen embrittlement. Extended baking cycles are also available.

As the hardness of parts exceed 35RC, the risk for hydrogen embrittlement increases. The process of baking a part after plating raises the metal to a high temperature that promotes diffusion of the entrapped hydrogen. This then evens out the hydrogen distribution throughout the part and eliminates the voids at which potentially damaging stresses can be concentrated. However, there are no guarantees that baking completely removes hydrogen embrittlement.

Both cadmium and zinc plated parts can be coated with post finishes of organic coatings, waxes and dyes. Corrosion must first break through the post finish, then the chromate and finally the metal itself. At this point a red rust will form on the steel. Please visit Three J’s Industries metal finishing product line sheet for available chromates, dyes, organic coatings and waxes.

Metal Finishes

Metal Finishes Available	Zinc Electroplating Zinc Iron Electroplating Cadmium Electroplating	Bright Dipping Passivation
Post Finishing Services	Baking Waxing Heavy Wax	Water Soluble Wax Torx & Tension Wax Wax with a Color Dye
Trivalent Post Finishes	Trivalent Clear Trivalent Yellow Trivalent Black Trivalent Olive Drab Trivalent Red Trivalent Blue	Trivalent Metric Blue Trivalent Green Trivalent Orange Trivalent Violet Trivalent Fuchsine
Hexavalent Post Finishes	Clear Chromate Yellow Dichromate Yellow Leach Yellow Leach After Bake Silver Black Red Dye Blue Dye	Metric Blue Green Dye Olive Drab Orange Violet Fuchsine
Sealers	Seal #2 Seal #3 Seal #4 Seal #5 Seal #5 Plus	Enseal #26 Gleitmo 603 Gleitmo 627

Facility Features

Sophisticated and Flexible Production Lines

The modern processes and equipment at Three J’s Industries are designed for the following reasons:

To consistently achieve the requirements of demanding specifications.
To provide flexibility in the production schedule in order to meet delivery commitments.
To maintain a clean operation necessary to minimize wastes and emissions.

Any size job from the smallest fastener to the largest stamping can be accommodated. The company has backup items on all equipment to ensure no downtime. A complete machine shop is located on site where equipment can be precisely fabricated and maintained for production.

Modern and Comprehensive Laboratory

With the instrumentation in its modern laboratory, Three J’s Industries has the capability of testing:

The plating thickness of parts by using a magna gauge, eddy current or x-ray machine.
Both plating baths for its proper chemical make-up by doing titrations daily.
The quality of its water with an atomic absorption spectroscopy machine.
In-house salt spray testing is available to ASTM B117

In addition to this laboratory equipment, Three J’s Industries has a Rockwell Hardness Tester and Comparator on site as reference tools for our customers.

Chemical Safety and Environmental Compliance

The processes and equipment at Three J’s Industries, Inc. are designed to ensure compliance with all applicable environmental regulations and permits. Our facility’s waste treatment was designed with piping overhead, rather than underground, so there is no danger of soil and groundwater contamination. Clean process operation minimizes wastes and emissions that could otherwise contaminate the environment.

Metal Finishing | Electroplating | Elk Grove Village, IL

Baking Post And Finishes

Metal Finishes

Facility Features