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Cadmium-containing silver brazing alloys


Silver-Copper-Zinc-Cadmium Brazing Alloys The cadmium-containing silver-based brazing fillermetal with low melting temperature and good technologic property is applied extensively to the bonding of mild steel, stainless steel, dissimilar metal, copper and copper alloy in the industry field. it plays a very important role in the intermediate temperature brazing filler metal.

中国标准牌号
Chinese Standard
相当牌号
Equivalent Grade
化学成分(Wt%)
Composition
熔化温度范围(℃)
Melting Range
主要特性及用途
Characteristics and Application
产品样本牌号 AWS A5.8 Ag Cu Zn Cd 其他
Rest
固相线
Solidus
液相线
Liquidus
B-Ag12CuZnCd ___ ___ 11.0

13.0
49.0

51.0
27.0

31.0
7.0

11.0
___ 620 780 熔化温度范围宽,漫流性较好,适用于眼镜、渔具等行业中铜合金、钢及不锈钢等零件的搭接钎焊。
B-Ag18CuZnCdSn ___ ___ 17.0

19.0
38.0

40.0
25.0

29.0
13.0

17.0
Sn
1.0
640 746 流动性较好,用于机械、制冷等产品的碳钢、不锈钢、铜、黄铜零部件的钎焊,接头具有良好的强度。
B-Ag20CuZnCd ___ ___ 19.0

21.0
34.0

36.0
29.0

33.0
14 .0 

16 .0
Si         0.15 620 730 熔点低,漫流性较好,钎缝较光洁,可钎焊铜及铜合金、钢及不锈钢等。
B-Ag25CuZnCd ___ BAg-33 24.0

26.0
29.0

31.0
26.5

28.5
16.5

18.5
___ 607 682 熔点较低,漫流性较好,可钎焊铜及铜合金、钢及不锈钢等。
B-Ag30CuZnCd 料311 BAg-2a 29.0

31.0
26.0

28.0
21.0

25.0
19.0

21.0
___ 607 710 熔点低,润湿性及填缝性较好,可钎焊铜及铜合金,钢、不锈钢等。
B-Ag45CuZnCd ___ BAg-1 44.0

46.0
14.0

16.0
14.0

18.0
23.0

25.0
___ 607 618 熔点较低,钎焊工艺性能好,能流入很小的间隙接头,可用于铜及铜合金、钢及不锈钢等材料的钎焊。
B-Ag50CuZnCd 料313 BAg-1a 49.0

51.0
14.5

16.5
14.5

18.5
17.0

19.0
___ 627 635 熔化温度区间窄,流动性好于 B-Ag45CuZnCd,但价格贵。
B-Ag40CuZnCdNi 料312 ___ 39.0

41.0
15.5

16.5
17.5

18.5
25.1

26.5
Ni
0.1

0.3
595 605 银钎料中熔化温度最低的一种,钎焊工艺性能非常好,用于铜及铜合金、钢及不锈钢等材料的钎焊,特别适宜于要求钎焊温度低的场合。
B-Ag50CuZnCdNi 料315 BAg-3 49.0

51.0
14.5

16.5
13.5

17.5
15.0

17.0
Ni
2.5

3.5
632 688 具有良好的抗蚀性,对硬质合金的润湿能力强,主要用于硬质合金和不锈钢的钎焊。
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