City Special Metals Ltd.

Globally recognised stockist of low & controlled expansion alloys, including: Invar 36, Kovar& Alloy 42.

City Special Metals is an Essex-based specialty metal supplier. With a warehouse in Sheffield containing Europe's largest acknowledged range of low and controlled expansion alloys, CSM provide UK-wide coverage for those looking for bespoke metal products and pieces. Kovar, Invars 36 and 42, and oxygen-free copper are our three main alloys.