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.

Oil Staining

Surface staining caused by the partial decomposition during thermal treatment of residual lubricant.
Orange Peel

A roughening, on subsequent cold deformation, of the surface of sheet or strip when the grain size is too coarse. Has the appearance of an orange skin.
Ore

Bauxite - A red rock found in the earth's crust, close to the surface. Extracted by open-cast mining it is a very rich ore with a 25% yield.
Ovality

Any variation from a true circle of the cross section of a round tube, bar or wire.
Over-ageing

Artificial ageing treatment at too high a temperature, or for too long a time, after the maximum hardening effect has been achieved. It causes some loss of properties. In some cases it may be a deliberate act, e.g. to improve resistance to stress corrosion or to minimise any further loss of properties in alloys operating at higher temperatures.

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