Membership of the Contract Heat Treatment Association is open to UK companies whose main business activity is the provision of contract heat treatment services.

Companies must be able to demonstrate a high level of technical competence and a proven record of achievement in heat treatment. Registration to one of the accepted Quality Approval schemes or some other form of competence is required.

• A powerful voice on all matters concerning the industry, especially on legislative changes.
• Marketing opportunities.
• Inclusion in CHTA's Buyers Guide - both on this website and also in the printed hard-copy form.
• Receipt of Hotline, CHTA's informative quarterly newsletter.
• The benefits of information exchange with other members.
• The added benefits of affiliation with the Surface Engineering Association (SEA), including its Business Support Helpline.
• Participation in the Climate Change Agreement scheme administered by SEA. (80% reduction of CCL on energy bills).