c
L306 Wire & rod 丝 680-720 Ag65.Cu.Zn.Sn Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 L305 Wire & rod 丝 779-850 Ag50.Cu. Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 L309 Wire & rod 丝 780-810 Ag18.Cu.Zn.Sn Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 L310 Wire & rod 丝 710-760 Ag30.Cu.Zn.Sn Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等