PROUCT LIST
牌号
Product Number
相当于国外标准牌号
Related Standard
主要化学成分
Chemical composition
融化温度℃
Melting Range
主要特性及适用范围
Typical Application
Ag Cu Zn Cd Other 固相
Solidus
液相
Liquidus
GB-20Cd German
L-Ag20Cd
19-20.5 39-41 24-26 13-17 --- 620 765 良好的流动性和填
缝能力,适用于钎
焊黄铜铸件,仪表
灯架等
Alloys with meduim
silver content,good 
capillarity and 
fluidity.Suitable for
brass casting,lamp
fixture,etc.
GB-25Cd AWS
BAg-27
24-26 29-31 26-29 16.5-18.5 --- 605 720
GB-30Cd AWS
BAg-2a
29-31 27-29 20-22 20-22 --- 600 690
GB-35Cd AWS
BAg-2
34-36 25-39 19-23.5 17-19 --- 605 700 熔化区间小,良好
的流动性和填缝能
力,适用于钢、
铜、铜合金、镍合
金的钎焊
Alloy with high
silver content ,small
melting range,ex-
cellent capillarity
and fluidity.Used for
brazing copper and
copper alloy steel
and nickel alloy.
GB-40Cd 欧盟
Ag-304
39-41 15.5-16.5 19-23 18-22 --- 595 630
GB-45Cd AWS
BAg-1
44-46 14-16 14-18 23-25 --- 595 620
GB-50Cd AWS
BAg-1a
49-51 14.5-16.5 14.5-18.5 17-19 --- 625 635