Stress relieving is applied to both ferrous and non-ferrous alloys and is intended to remove internal residual stresses generated by prior manufacturing processes such as hardening, machining, cold rolling and welding.
Without it, subsequent processing may give rise to unacceptable distortion and/or the material can suffer from service problems such as cracking.
Stress relieving is a low-temperature heating process which is used to gently reduce internal stresses in a ferrous or non-ferrous material. It is similar to tempering but using a lower temperature setting and it does not reduce the hardness value.
Materials and components can be stress relieved completely with a furnace or locally with an induction process.
Crucial parameters such as temperature, heat time and heat location are precisely computer controlled to ensure excellent
reproduce-ability and that stress relieving is only achieved where required.
Typically stress relieving is used subsequently with Induction Hardening to reduce internal material stresses of the component after the hardening process to gently reduce brittleness and increase toughness and ductility without compromising on hardness.
Induction Heat Treatments offer a comprehensive range of specialist precision induction solutions for your components.
Computer and CNC machine controls ensures absolute temperature and time values to precisely stress relieve the component.
Metalworking and quenching stresses are reduced effectively with stress relieving which ensures component operation in service is uncompromised.
Hardness values remain preserved during stress relieving to ensure your component performs effectively in service
Induction hardening is a controlled precision process which induces a localized hardened 'case' on the surface of the component which can obtain depths of typically 0.5 - 5mm (although case depths up to 25mm have been achieved by IHT) and hardness's of between 30 - 65 HRC depending on the steel grade used. This ensures that the wear resistance, surface hardness and fatigue life of your component is maximized.
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