Isothermal is one of South Africa’s most experienced and reliable heat treaters, providing advanced thermal processing services to multiple industries. Our certified facility delivers consistent, high-quality heat treatment for metals, ensuring improved performance, strength, and durability of components.
As specialised heat treaters, we offer a wide range of thermal processes tailored to your exact specifications. Our services include:
Case Hardening
Induction Hardening
Our heat treatment solutions are designed to enhance surface hardness, increase fatigue resistance, reduce wear, and refine the microstructure of metal parts.
With over four decades of experience, we cater to sectors such as mining, power generation, agriculture, automotive, and general engineering. Every job is handled with strict process control and expert metallurgical oversight.
Established in 1979 with a proven track record
Extensive capabilities for both small and large components
Quick turnaround and dependable service
Certified quality and compliance
Personalised technical support and advice
At Isothermal, we combine precision, innovation, and experience to deliver heat treatment solutions that meet the toughest industry demands.
Strengthen your parts and optimise performance with South Africa’s trusted heat treaters.
Contact Isothermal today for expert guidance and a tailored quote.