
CONSISTENTLY
BETTER SINCE 1945
Forging excellence through four generations of family ownership. The first commercial heat treater in the USA with ISO 9001 accreditation, delivering Houston's most reliable thermal processing solutions.
80+ YEARS OF
TEXAS HERITAGE
Lone Star Heat Treating Corp. stands as a titan of Houston industry. As a family-owned enterprise, we maintain the rigid standards of aerospace while serving the rapid needs of global energy.
Our legacy is built on being pioneers — we were the first commercial heat treater in the United States to earn ISO 9001 accreditation, a testament to our relentless pursuit of technical perfection.


THERMAL SOLUTIONS
Extensive capacity for critical components, specializing in high-tolerance processing for the most demanding environments on earth.
Batch Heat Treating
Massive capacity handling components up to 58ft. Precise temperature uniformity for heavy-duty industrial scale.
Vertical Treating
Eliminate distortion in long shafts and structural components through specialized vertical orientation processing.
Controlled Atmosphere
Horizontal and vertical carburizing, carbonitriding, and atmosphere processing for demanding specifications.
Induction Hardening
Four N/C vertical scanners with 125kw power for deep case and surface hardening of specific areas.
I.D. Drilling
Internal diameter precision drilling before heat treating for specialized industrial applications.
In-Line / Continuous
Bickley gas-fired barrel furnace with high-pressure water quench. Bar 3″–10″ and tube 3″–11″ up to 42ft.
FINISHING & LOGISTICS
Saw Cutting
Vertical and horizontal band saws capable of cutting material up to 26″ O.D.
Commercial Straightening
Multiple presses straightening shafts, mandrels, and shapes up to 26″ O.D. and 400″ long.
Free Local Pickup & Delivery
Own fleet of trucks providing free pickup and delivery across the Houston, TX metropolitan area and surrounding Gulf Coast region.
ACCREDITED
METALLURGICAL LAB
Our in-house lab ensures every batch meets your exact mechanical property specifications before leaving our dock.
- Hardness Testing
- Tensile Testing
- Charpy Impact Testing
- Microhardness Evaluation
- Access to Third Party Testing
AS 9100
Aerospace Standard for Quality Management Systems, ensuring the highest level of risk management and traceability.
ISO/IEC 17025:2017
Global competence standard for testing and calibration laboratories in metallurgical science.
Two on-site metallurgists available to assist with technical advice and specifications.
READY TO TEMPER
YOUR NEXT PROJECT?
Consult with our metallurgists today. Experience the consistency that has defined Lone Star Heat Treating for over three quarters of a century.
HOUSTON, TEXAS
Lone Star Heat Treating Corp
3939 Blaffer Street
Houston, TX 77026
You are welcome to inspect our facility and quality control program at any time. Call our sales team to arrange an appointment.