The use of single wire high-speed heat treatment lines has proved to be a success throughout the world. These modern lines offer the efficient and clean technology of induction heating rather than conventional methods, as well as the advantages of safe and environmentally clean water quenching systems. The new induction harden and temper lines produce material to a more consistent specification, with very little decarbudsation due to the extremely short heating times, minimal grain growth during heating, the ability to heat treat the more exotic alloy steels that require higher hardening temperatures and can, in some cases, produce material with higher tensile strength whilst maintaining ductility shown below.
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