Red brass (Copper-Tin-Zinc Alloys), Cast Bronze (Copper-Tin Alloys), Lead Bronze (Copper-Tin-Lead Cast)

Cast bronze has high wear resistance and is used for highly stressed sliding and gear elements.

Red brass has good sliding and emergency running properties. It has relatively good wear and cavitation resistance. It is therefore used for hydraulic systems, sliding bearings, gear wheels, worm gearing and diverse fittings. Lead bronze is corrosion resistant, has good sliding properties and is used for wheel bearings as well as composites and mold casting material.

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Material code (as per DIN EN)	CuSn12-C	CuSn7Zn4Pb7-C	CuSn7Pb15-C
Material number (as per DIN EN)	CC483K	CC493K	CC496K
Material code (as per old DIN)	CuSn12	CuSn7ZnPb	CuPb15Sn
Material number (as per old DIN)	2.1052	2.1090	2.1182
Other names	Tin bronze, Gbz12, SnBz12	Red brass, Rg7	Lead bronze
Versions from stock
Properties	Tough, excellent wear resistance, good corrosion resistance, salt water resistant	Medium hard, high wear resistance, good emergency running properties, good corrosion resistance, easy to machine	Soft, excellent sliding and emergency running properties, acid resistant, excellent machinability
Use	Bearings, worming gear rims, cylinder inserts, sleeve bearings, gibs and slide rails	Bearings, sleeve bearings, bearing bushes	Bearings
Dichte (g/cm³) ca.	8,80	8,80	9,10
Information des Dt. Kupferinstituts	CuSn12-C

Faux Secondary

Red brass (Copper-Tin-Zinc Alloys), Cast Bronze (Copper-Tin Alloys), Lead Bronze (Copper-Tin-Lead Cast)

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