‘Neutral’ means the surface chemistry of the steel being treated is unaltered by the process. ‘Hardening’ means that the material is quenched after heating to increase strength and hardness.
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HTF excels in both areas with innovative approaches to furnace seals and atmosphere control that ensure the process is truly neutral, and with quenching systems that produce the proper results.
Please also see our Quenching page for examples of our skill at work