Copper
zinc
铜锌
L103
Wire & rod
丝
885-888
Cu54 Zn Rem.
Brazing of copper, bronze and steel, subjected to low load.
钎焊铜、青铜和钢等受力不大工件
L104
Foil
箔
890-930
Cu57 Mn2
Co2 Zn Rem.
Brazing of carbide cutting tool.
钎焊硬质合金刀具