BAg40CuZnSnNi(HL322) Main chemical components: Ag: 40±1, Cu: 25±1, Sn: 3±0.3, Ni: 1.3-1.65, Zn: Balance Performance: Brazing temperature 640-740°C, domestically produced silver solder A medium melting point **, with good fluidity and the ability to fill gaps, smooth weld surface, high joint strength Applications: Suitable for quenched and tempered steel, valve alloys and other welding.