SCA4 is a master alloy for 750-917‰ (18-22 Kt) yellow gold jewelry, designed for lost-wax casting in closed and open systems. It is also particularly suitable for stone-in-place casting.
The color of 750-917‰ gold made using SCA4 shows a pink yellow hue.
The alloy is not suitable for age-hardening.
SCA4 has a high level of deoxidizers, this makes it suitable for casting in closed and open systems. During melting it is clean from dirt and leaves minimum residue in the crucible.
SCA4 offers excellent fluidity in casting, the as-cast tree is clean from oxide scales, it has extremely high shininess and lustrous color after finishing.
Typology: Master alloy for gold
Production process: Casting
Density [g/cm³]: 17.8
Ag (%) 39
Cu (%) 58
Zn (%) 3