Cleaning for Heat Treat

17% of rejects occur because of poor pretreating and cleaning. Without the proper cleaning process in place residual contaminates “burn” into the surface during the heat treat step – causing an increase in scrap and even furnace damage.

Aluminum tubes with cosmetic staining that were rejected by the customer. Our experts were able to pinpoint the problem and help improve their heat treat process, eliminating all rejects.

Pre-cleaning can be especially complicated and plays a vital role in the quality of the part being heat treated. If the part is being rinsed, water temperature and water quality may adversely affect the rinse results. Standard cleaning practices may no longer work due to increased part volume, changes to equipment or even changes to the contaminants.

htbeforeandafter 300x133

Diagnosing the cause of cleaning issues is what you can expect from 170 plus years of experience. Hubbard-Hall has a complete line of products specifically for heat treatment; solvent and aqueous cleaners, HT salts, quench oils, corrosion inhibitors, and wastewater treatment chemicals.

To Clean or Not to Clean? That is the question.  

Insufficient cleaning can lead to challenges such as non-uniform layers, soft spots and stop-off paint issues. See what our partner, SAFECHEM has to say about pre-heat treat cleaning, the risks if you don’t, and what the benefits are.

Let our experts become part of your team and figure out the right chemistries for your heat treatment processes.