Logo, Lark Heat Treating - Metal Heat Treating

(713) 937-9089

6640 Mayard Road, Houston, TX 77041

Custom Heat Treatment Solutions

Versatile Gas Nitriding & Other Treatment Solutions

Enhance your products with Gas Nitriding, abrasive cleaning, and other metal treatments from Lark Heat Treating of Houston, Texas. We offer the solutions you need.


Gas Nitriding

This treatment consists of introducing nitrogen into the surface layer of solid ferrous alloys. Our nitride furnaces have a 44" OD maximum limit with a 12,000-pound batch load limit. We are able to nitride hanging materials up to 70" long.

Aging & Solution Anneal

Due to the many applications and types of material we process, it is always best to contact us directly about your specific needs. Please contact us for pricing or to discuss the many solutions we have to offer. 


Our straightening abilities allow us to assist customers with material up to 6" cross section and up to 20' long. The ability to straighten material depends on the hardness of the material as well.

Abrasive Cleaning

We offer abrasive cleaning solutions critical to materials both before and after the heat treating process. Three vapor hone cabinets with a maximum capacity of 69"OD x 63" Tall, allow us to quickly process your material and provide more solutions, better results, and faster turnaround times. This is also true for our multiple rotary blast tables. With 4' and 6' tables holding up to 5,000 pounds, we supply fast solutions to your abrasive cleaning needs.  Abrasive cleaning shot blast 60"OD with 5000lb capacity and vapor hone capability of 72" OD and 4000lb capacity.

Mechanical Testing Provided by Outside Labs

Our mechanical testing is provided by outside, third-party labs.  In-house, we offer micro-hardness evaluations, along with a variety of hardness testing abilities. We also offer expediting for the independent labs, with results available in 24 hours. With several well-respected, outside testing services scheduled to drop off and pick up material daily, we can quickly expedite the handling of all your testing needs.

Contact us at (713) 937-9089 in Houston, Texas, for affordable gas nitriding solutions.