Letter: Losing weight with Nitrocarburising

Regarding your article on the Ultra Light Steel Auto Suspension study (Technology News, 26 May), a further weight reduction may be achieved using a little-known surface treatment called Nitrocarburising. This diffuses nitrogen into the surface at low temperature to avoid distortion and improves the torsional stiffness of the product. It is mainly designed for pressings […]

Regarding your article on the Ultra Light Steel Auto Suspension study (Technology News, 26 May), a further weight reduction may be achieved using a little-known surface treatment called Nitrocarburising.

This diffuses nitrogen into the surface at low temperature to avoid distortion and improves the torsional stiffness of the product. It is mainly designed for pressings and is carried out by salt bath treatments.

We have developed the process over 10 years as an environmentally friendly gas process. We also have the largest furnace in the UK for this process and can accommodate pressings up to 1.75m long.

We are very interested in collaborating with the ULSAS project and could easily host a meeting of the ULSAS Group if so wished.

J Houseman, Chief executive, Hammond Heat Treatment

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