Copper
zinc
銅鋅
L103
Wire & rod
絲
885-888
Cu54 Zn Rem.
Brazing of copper, bronze and steel, subjected to low load.
釬焊銅、青銅和鋼等受力不大工件
L104
Foil
箔
890-930
Cu57 Mn2
Co2 Zn Rem.
Brazing of carbide cutting tool.
釬焊硬質合金刀具