BS EN 1982 CC492K (formerly BS1400 LG4) is a leaded gunmetal bronze with excellent machinability and bearing properties. It also exhibits good corrosion resistance and moderate strength.

CC492K is used for manufacture of various pressure tight castings. Applications include valves, pipe fittings and pumps. It is also frequently used for bearings where loads and speeds are moderate.

CC492K (LG4) posesses higher strength and wear resistance than CC491K. It also offers better resistance to impingement and cavitation attack while in contact with fast moving waters.

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