PROMET 715, lead tin bronze
PROMET 715, leaded tin bronze EN 1982-CuSn7Pb15-C-GC/GZ
Quite soft leaded tin bronze, which has good sliding and emergency lubrication properties. Resistance to even sulphuric acid is good. Excellent machinability.
For heavy surface pressure sliding bearings with edge pressure. Endures temporary lack of lubrication material for a short time. Suitable for use as bearings of big earth moving machines, as piston-pin bushings in big ship diesel engines and as sliding rings of the piston, in mixers, mill equipment and water pump bearings, rotating drum bearings and in stretching machine bearings without white metal lining.