Chemical composition:
| Executive standard | Classification number | Alloy number | Cu | Al | Fe | Mn | Ni | P | Pb | Si | Sn | Zn | Total amount of other elements | 
| ISO24373 | Cu6240 | CuAl11Fe3 | bal. | 10.0-11.5 | 2.0-4.5 | - | - | - | 0.02 | 0.1 | - | 0.1 | 0.5 | 
| GB/T9460 | SCu6240 | CuAl11Fe3 | bal. | 10.0-11.5 | 2.0-4.5 | - | - | - | max0.02 | max0.1 | - | max0.1 | max0.5 | 
| BS EN14640 | Cu6240 | CuAl11Fe | bal. | 10.0-11.5 | 2.0-4.5 | - | - | - | 0.02 | - | - | 0.1 | 0.5 | 
| AWS A5.7 | C62400 | ERCuAl-A3 | bal. | 10.0-11.5 | 2.0-4.5 | - | - | - | 0.02 | 0.1 | - | 0.1 | 0.5 | 
Physical properties of materials:
| Density | Kg/m3 | 7.7 | 
| Melting range | ºC | 1030-1045 | 
| Thermal conductivity | W/m.K | 55 | 
| Electrical conductivity | S.m/mm² | 6.7-7.7 | 
| Coefficient of thermal expansion | 10-6/K(20-300ºC) | 17.0 | 
Standard values of the weld metal:
| Elongation | % | 33 | 
| Tensile strength | N/mm2 | 500 | 
| Notched bar impact work | J | 96 | 
| Brinell hardness | HB 2.5/62.5 | 146 |