For decades hard chromium plating (HCP) has been the engineers’ choice for wear surfaces, tools and parts subject to harsh environments, but health and safety concerns and environmental constraints on the process demand an alternative. Heat treatment and hard coatings specialist the Wallwork Group strongly advocate Nitron CA – a form of chromium nitride (CrN) that is safer and produces a harder film with heat and chemical resistance t...

Since the last Farnborough Airshow in 2014, the Wallwork Group has invested an additional £2.5m in buildings, plant, training and research to extend and deepen services for the aerospace industry. The company has also gained more aerospace approvals for processes at all their UK sites to ensure a national service with assured quality and quick turnaround.