BS HC 502:1981 download free.Specification for Copper base aluminium-nickel-iron alloy castings (620 MPa) (Al 9.5, Ni 5, Fe 5).
1 Inspection and testing procedure
BS HC 502 shall be used in conjunction with the relevant sections of the latest issue of 115 HC 100 as follows:
Re-melting stock sections 1 and 2
Precision castings sections 1 and 3
Sand castings sections 1 and 4
Centrifugal castings sections 1 and 5
2 Chemical composition
The re-melting stock and the castings shall contain:
3 Condition Castings shall be supplied as cast.
4 Mechanical properties
4.1 Tensile. The tensile properties obtained from test pieces representing castings, selected, prepared and tested in accordance with the relevant requirements of BS HC 100, shall be not less than the following values.