HSI is a world leading manufacturer of conveyor ovens, box ovens, and spiral ovens for industrial heat treating applications.  HSI conveyor inline stress relieving ovens insure quality performance for stress relieving springs and wire forms when using high carbon and alloy materials.  HSI ovens can meet stringent requirements such as A.I.A.G. CQI9 and AMS2750 specifications.  With over 30 standard models of conveyor furnaces, ovens are offered with rolled edge, seamless stainless steel mesh belts or solid link stainless steel belts.  HSI Box Ovens are available as bench-top box ovens and floor model box ovens.  Box ovens are also available in high temperature models for tool room and special applications.