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Industrial heat treating furnace with glowing red-hot steel
Precision Engineering Since 1945

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.

100,000lb
Capacity
58ft
Max Length
2,200°F
Max Temperature
80+yrs
Years in Operation

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.

1945Founded in Houston
AS9100Accreditation Pioneer
Learn more about our history →
Houston skyline in 1949Metallurgical testing lab with Charpy impact tester and tensile testing equipment
Core Competencies

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.

Aerospace GradeOil & Gas

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.

Additional Capabilities

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
View all certifications →
Certification

AS 9100

Aerospace Standard for Quality Management Systems, ensuring the highest level of risk management and traceability.

Accreditation

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.

Visit Our Facility

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.