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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.

中國標(biāo)準(zhǔn)牌號
Chinese Standard
相當(dāng)牌號
Equivalent Grade
化學(xué)成分(Wt%)
Composition
熔化溫度范圍(℃)
Melting Range
主要特性及用途
Characteristics and Application
產(chǎn)品樣本牌號 AWS A5.8 Ag Cu Zn Cd 其他
Rest
固相線
Solidus
液相線
Liquidus
B-Ag12CuZnCd ___ ___ 11.0

13.0
49.0

51.0
27.0

31.0
7.0

11.0
___ 620 780 熔化溫度范圍寬,漫流性較好,適用于眼鏡、漁具等行業(yè)中銅合金、鋼及不銹鋼等零件的搭接釬焊。
B-Ag18CuZnCdSn ___ ___ 17.0

19.0
38.0

40.0
25.0

29.0
13.0

17.0
Sn
1.0
640 746 流動性較好,用于機(jī)械、制冷等產(chǎn)品的碳鋼、不銹鋼、銅、黃銅零部件的釬焊,接頭具有良好的強(qiáng)度。
B-Ag20CuZnCd ___ ___ 19.0

21.0
34.0

36.0
29.0

33.0
14 .0 

16 .0
Si         0.15 620 730 熔點(diǎn)低,漫流性較好,釬縫較光潔,可釬焊銅及銅合金、鋼及不銹鋼等。
B-Ag25CuZnCd ___ BAg-33 24.0

26.0
29.0

31.0
26.5

28.5
16.5

18.5
___ 607 682 熔點(diǎn)較低,漫流性較好,可釬焊銅及銅合金、鋼及不銹鋼等。
B-Ag30CuZnCd 料311 BAg-2a 29.0

31.0
26.0

28.0
21.0

25.0
19.0

21.0
___ 607 710 熔點(diǎn)低,潤濕性及填縫性較好,可釬焊銅及銅合金,鋼、不銹鋼等。
B-Ag45CuZnCd ___ BAg-1 44.0

46.0
14.0

16.0
14.0

18.0
23.0

25.0
___ 607 618 熔點(diǎn)較低,釬焊工藝性能好,能流入很小的間隙接頭,可用于銅及銅合金、鋼及不銹鋼等材料的釬焊。
B-Ag50CuZnCd 料313 BAg-1a 49.0

51.0
14.5

16.5
14.5

18.5
17.0

19.0
___ 627 635 熔化溫度區(qū)間窄,流動性好于 B-Ag45CuZnCd,但價格貴。
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 銀釬料中熔化溫度最低的一種,釬焊工藝性能非常好,用于銅及銅合金、鋼及不銹鋼等材料的釬焊,特別適宜于要求釬焊溫度低的場合。
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 具有良好的抗蝕性,對硬質(zhì)合金的潤濕能力強(qiáng),主要用于硬質(zhì)合金和不銹鋼的釬焊。
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