why national heat treat

While there are other heat treaters in town, no one can match the quality service offered by NATIONAL HEAT TREAT (NHT). The NHT advantage can be expressed by the "4 E's" – Expertise, Equipment, Excellence and Economy. The first "E" - our expertise - is reflected in one of the most experienced staffs in the industry. With more than 100 years of combined heat treating know-how, our management team can find solutions to the most demanding of applications. Our General Manager, Jehon Leonce has 12 years of experience in the aerospace and oil and gas industries. Jehon has a BS in Aerospace Engineering from Texas A&M University and a MS in Engineering Management from the University of Houston – Clear Lake. He also holds Project Management Professional (PMP), Certified Reliability Engineer (CRE) and Certified Scrum Master (CSM) certifications. Jehon has 7 years of Heat Treat experience and is dedicated to process improvement and quality. Having began his career in mission control at NASA JSC, he is devoted to implementing the NASA principles of team work, effective communication and failure not being an option to the industry. Our equipment comprises the second "E" and consists of an impressive array of furnaces and related units housed in our 50,000 sq. ft. facility. We can perform a full spectrum of heat treating services including quench-and-temper hardening, normalizing, annealing, age hardening, solutioning, carburizing, nitriding, vacuum heat treating, subzero cooling, stress relieving, postweld heat treatment and more! This impressive suite of modern heat treating equipment is supported by additional equipment for hardness testing, shot blasting, and other services. Added to all of this is our on-site metallurgical laboratory. But even the best people and equipment cannot achieve optimum results without dedication to the third "E" - excellence. At National Heat Treat, every step in the processing of your parts is performed with the utmost care and diligence. Our prime objective is to provide our customers with quality work performed on time every time. It is this attitude that makes all the difference and enables NHT to provide the ultimate in customer service. The fourth "E" – economy - is reflected in our pricing. Our royal service does not demand a king's ransom. In fact, our prices are extremely competitive. Pickup and delivery are free in the Greater Houston area. So don't wait – call us today for a fast and free quote. We look forward to serving you!

National Heat Treat Services

We offer an extensive array of heat treating services at our facility. We have the facilities and technical expertise to provide our customers with dependable results delivered on time.


Abrasive blasting works by placing a part in a blast cabinet and bombarding the part surface with an abrasive media ... read more


NATIONAL HEAT TREAT operates five batch atmosphere furnaces, each equipped with an integral oil quench ... read more


Box furnaces are used for a variety of operations including tempering, annealing, and normalizing ... read more


GAS NITRIDING is a surface hardening process in which nitrogen is diffused into the surface of a part to create ... read more


OPEN FIRE HEAT TREATING is done in a furnace with an oxidizing atmosphere. Open Fire treatment can lead ... read more


National HEAT TREAT offers a wide range of testing and inspection procedures, performed in our own ... read more


WHY VACUUM HEAT TREATING? At the elevated temperatures used in heat treating, metal surfaces ... read more

Services & Industries

NATIONAL HEAT TREAT is here to service and provide thermal processing to industries such as: Oil & Gas, ... read more

Memberships and Certifications

NATIONAL HEAT TREAT is honored to hold ISO 9001:2015 certification. This premier international quality certification is only awarded to companies and organizations that have demonstrated the ability to consistently provide products and services that meet customer and regulatory requirements.

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NationalHeatTreat Memberships & Certifications


National Heat Treat is open throughout the year. Check our Opening Hours before you visit.

  • Mondays-Fridays: 8AM to 5PM
  • Saturdays: Closed
  • Sundays: Closed


National Heat Treat - Houston Heat Treat National Heat Treat - Heat Treatment Services National Heat Treat - Shipping and Receiving National Heat Treat - Houston Heat Treating National Heat Treat - Carburizing - Integral Oil Quench National Heat Treat - Vacuum Processing National Heat Treat - Metallurgical Laboratory National Heat Treat - Heat Treating and Brazing Capabilities
National Heat Treat - Fire and Steel

Secrets of Heat Treating – Revealed!

Michael Pendley spoke at the annual Oktoberfest meeting of the Houston Chapter of ASM International. In his presentation, entitled "Secrets of the Heat Treating Industry," Mr. Pendley covered a number of interesting topics including "Things Your Heat Treater Wants You Know," "Heat Treating Hacks for Manufacturing Mistakes," "Insider Secrets of the Heat Treating Industry," and "How to Choose a Heat Treater." The presentation was enthusiastically received by the audience of over hundred men and... Read more