Metal Glossary

Designed to be a quick reference guide for customers, the Cashmores glossary provides definitions of the latest metal industry terms.

Designed to be a quick reference guide for customers, the Cashmores glossary provides definitions of the latest metal industry terms.

Patina

The greenish layer that naturally develops on Copper exposed to the atmosphere. Chemically it is a complex mixture of Chlorides, Carbonates and Sulphides. Pre-patinated sheet is used for roofing applications.
Phosphor Bronze
Leaded Phosphor Bronze

Hard and strong cast and wrought Copper/Tin alloys with small, deliberate, Phosphorus additions. Wrought alloys such as PB102 contain 4% to 8% Tin, whilst cast alloys contain 9% to 12% Tin. Leaded Phosphor Bronzes, with Lead contents up to 20% ,are usually available only as castings – Examples are PB1 and SAE660.

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