Brass Sheet, Strip and Plate—Compositions, Properties and Standards

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Brasses are a very versatile family of alloys. Based on copper-zinc, additional alloying elements can be used to increase strength, improve corrosion resistance (especially with respect to seawater) and to improve machinability.

Compositions given are the EN materials appropriate to designation number. Composition ranges may be outside those of previous BS specifications, therefore compliance should be checked before assuming suitability for applications. The compositions are shown as either a range or maximum for individual elements. Note that not all elements listed as impurities are shown here. For the full chemical composition you should refer to the standard or the Copper and copper alloys. Compendium of compositions and products PD CEN/TS 13388.

This table includes brasses previously included in BS 2870 ‘Specification for rolled copper and copper alloys: sheet, strip and foil’ and BS 2875 ‘Specification of copper and copper alloys: plate’.

These brasses are now included in the following EN standards for individual product forms:

• EN 1652 ‘Copper and copper alloys—Plate, sheet, strip and circles for general purposes’
• EN 1653 ‘Copper and copper alloys—Plate, sheet and circles for boilers, pressure vessels and hot water storage units’
• EN 1654 ‘Copper and copper alloys—Strip for springs and connectors’
• EN 1172 ‘Copper and copper alloys—Sheet and strip for building purposes’

For more detail, the appropriate standard(s) should be consulted. Visit our page with details of standards and links to the BSI shop.