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Composition by weight %
Family
Solidus/liquidus
point (°C)
Toxic
Comments
Cu
Zn
Ag
Au
Pd
Pt
Ti
Cr
Mo
W
Mn
Fe
Co
Ni
Cd
Sn
Al
B
Si
P
other
Ti
60
Cu
20
Ni
20
?/950
[5]
–
Recommended for brazing titanium alloys; composition similar to many titanium
engineering alloys.
20
60
20
Ti
54
Cr
25
V
21
active
?/1500
[5]
–
High-temperature. Narrow melting range. Excellent wettability of ceramics;
penetrates and seals surface pores and cracks, increasing fracture toughness.
54
25
V
21
Ti
91.5
Si
8.5
[5]
–
High-temperature. Brazing temperature 1400 °C. Can be used for brazing
molybdenum.
91.5
8.5
Ti
70
V
30
[5]
–
High-temperature. Brazing temperature 1650 °C. Can be used for brazing
molybdenum.
70
V
30
V
65
Nb
35
[5]
–
High-temperature. Brazing temperature 1870 °C. Can be used for brazing
molybdenum.
V
65
Nb
35
Nb
97.8
B
2.2
[5]
–
High-temperature. Can be used for brazing tungsten.
2.2
Nb
97.8
Nb
80
Ti
20
[5]
–
High-temperature. Can be used for brazing tungsten.
20
Nb
80
Pt
85
W
11
B
4
[5]
–
High-temperature. Joint remelt temperature 2200 °C. Can be used for brazing
tungsten.
85
11
4
W
75
Os
25
[5]
–
Very-high-temperature. Requires very intense heating, e.g. electric arc. Can be
used for brazing tungsten.
75
Os
25
W
47
Mo
50
Re
3
[5]
–
Very-high-temperature. Requires very intense heating, e.g. electric arc. Can be
used for brazing tungsten.
50
47
Re
3
Mo
95
Os
5
[5]
–
Very-high-temperature. Requires very intense heating, e.g. electric arc. Can be
used for brazing tungsten.
95
Os
5
Ti
70
Cu
15
Ni
15
902/932
[5]
–
For superalloys and engineering ceramics. Available as amorphous foil.
15
70
15
Ti
60
Zr
20
Ni
20
848/856
[5]
–
For superalloys and engineering ceramics. Available as amorphous foil.
60
20
Zr
20
Zr
83
Ni
17
961
[5]
–
For brazing titanium alloys. Available as amorphous foil.
17
Zr
83
Zr
56
V
28
Ti
16
1193/1250
[5]
–
For brazing titanium alloys. Available as amorphous foil.
16
Zr
56
V
28
Ag
57
Cu
38
Ti
5
active
775/790
[5]
–
Active alloy. Can be used for brazing ceramics, e.g. silicon nitride. Titanium forms
an interfacial layer with Si
3
N
4
, yielding TiN, TiSi, and Ti
5
Si
3
.
[72]
For brazing
engineering ceramics. Available as amorphous foil.
38
57
5
Ag
68.8
Cu
26.7
Ti
4.5
active
780/900
[5]
–
Ticusil. Active alloy. Can be used for brazing ceramics, e.g. silicon nitride. Titanium
forms an interfacial layer with Si
3
N
4
, yielding TiN, TiSi, and Ti
5
Si
3
.
[72]
For brazing
engineering ceramics. Available as amorphous foil.
26.7
68.8
4.5
Ag
72.5
Cu
19.5
In
5
Ti
3
active
730/760
[98]
–
BrazeTec CB1. Active alloy. Can be used for brazing ceramics, metal-ceramics,
graphite, diamond, corundum, sapphire, ruby. Needs at least 850 °C for wetting
ceramics, higher temperatures improve wetting. For use under argon or vacuum, in
vacuum silver may evaporate above 900 °C.
19.5
72.5
3
In
5
Ag
96
Ti
4
active
970
[98]
–
BrazeTec CB2. Active alloy. Can be used for brazing ceramics, metal-ceramics,
graphite, diamond, corundum, sapphire, ruby. Needs at least 850 °C for wetting
ceramics, higher temperatures improve wetting. For use under argon or vacuum, in
vacuum silver may evaporate above 900 °C.
96
4
Ag
70.5
Cu
26.5
Ti
3
active
780/805
[98]
–
BrazeTec CB4. Active alloy. Can be used for brazing ceramics, metal-ceramics,
graphite, diamond, corundum, sapphire, ruby. Needs at least 850 °C for wetting
ceramics, higher temperatures improve wetting. For use under argon or vacuum, in
vacuum silver may evaporate above 900 °C.
26.5
70.5
3
Ag
64
Cu
34.2
Ti
1.8
active
780/810
[98]
–
BrazeTec CB5. Active alloy. Can be used for brazing ceramics, metal-ceramics,
graphite, diamond, corundum, sapphire, ruby. Similar to Cusil-ABA. Needs at least
850 °C for wetting ceramics, higher temperatures improve wetting. For use under
argon or vacuum, in vacuum silver may evaporate above 900 °C.
34.2
64
1.8
Ag
98.4
In
1.0
Ti
0.6
active
948/959
[98]
–
BrazeTec CB6. Active alloy. Can be used for brazing silicon nitride. For use under
argon or vacuum, in vacuum silver may evaporate.
98.4
0.6
In
1
Au
97.5
Ni
0.75
V
1.75
active
1045/1090
[5]
–
Gold-ABA-V.
97.5
0.75
V
1.75
Au
96.4
Ni
3
Ti
0.6
active
1003/1030
[5]
–
Gold-ABA.
96.4
0.6
3
Cu
92.75
Si
3
Al
2
Ti
2.25
active
958/1024
[5]
–
Copper-ABA.
92.75
2.25
2
3
Au
82
Ni
15.5
V
1.75
Mo
0.75
active
940/960
[5]
–
Nioro-ABA.
82
0.75
15.5
V
1.75
Ag
92.75
Cu
5
Al
1
Ti
1.25
active
860/912
[5]
–
Silver-ABA. Hallmark-compliant, specifically tailored to meet sterling silver
standard, used in jewellery. Zinc-free. Preforms made by rapid solidification.
5
92.75
1.25
1
Ag
63
Cu
35.25
Ti
1.75
active
780/815
[5]
–
Cusil-ABA.
35.25
63
1.75
Ag
63
Cu
34.25
Sn
1
Ti
1.75
active
775/805
[5]
–
Cusin-1-ABA.
34.25
63
1.75
1
Ag
59
Cu
27.25
In
12.5
Ti
1.25
active
605/715
[5]
–
Incusil-ABA.
27.25
59
1.25
In
12.5
Ti
67
Ni
33
active
942/980
[99]
–
Tini 67.
67
33
Ti
70
Cu
15
Ni
15
active
910/960
[99]
–
Ticuni.
15
70
15
Pd
54
Ni
38
Si
8
Pd
830/875
[5]
–
For brazing stainless steels, superalloys, and cemented carbides.
54
38
8
Ta
60
W
30
Zr
10
active
–
Can be used for brazing graphite. For use at temperatures up to over 2700 °C.
[72]
30
Ta
60
Zr
10