Induction Tempering (IT) the modern alternative to Oil Tempered (OT) wire

Oil tempering is recognised as the traditional method of producing spring wire for cold coiling. Today Induction Tempered (IT wire) is increasingly growing in popularity amongst leading spring makers for cold coiling applications due to its superior mechanical properties.

DSR Wire Corporation of South Korea placed its trust in Inductotherm Heating & Welding Ltd (IHW) and purchased its first Radyne Spring Wire Line for the production of IT wire. At that time IHW had already supplied ten such lines and today has supplied fifteen of these high capacity high efficiency lines with production capacities of 1,500 to 3,000kg/hr. Typically the Radyne lines treat SAE9254 or equivalent and are also used to treat more exotic alloys with Vanadium and Nickel additions.

IHW supplies the complete heat treatment solution, from pay-off to take-ups. With the well proven Radyne lines there are no harmful chemicals to pose a risk to operator health or the environment. The quench tanks only require tap water as the cooling medium. Radyne lines are high efficiency. Induction technology generates heat within the wire and only when the line is in production, minimising energy losses.

IHW continues to work closely with DSR Wire Corporation. Planned maintenance, service support and production line enhancements allow DSR to offer the highest quality and consistency wire to leading spring makers.

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