     
Founded in 1974, SEI Heat Treat provides Commercial heat treating services to the steel supplier and metal working industries. Since its beginnings, the company has dedicated itself to its customers. This philosophy has allowed it to achieve continued growth and high customer satisfaction.
SEI Heat Treat's Quality Management System is certified to ISO 9001-2015. Our Quality policy is to strive for continuous improvement, provide services that meet or exceed our customers requirements while maintaining a safe work environment.
Our services include:
| |  Open and Atmosphere Quench and Tempering | | Gas Nitriding |
| | Carburizing | | Cryogenic treatment |
| | Precipitation hardening | | Stress relieving |
| | Annealing | | Normalizing |
| | Solution annealing | | Blasting |
SEI Heat Treat has a sister company, Magnum Metal Treating, located in Conroe, Texas.
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