VTG/High
Purity Silver, Gold, Palladium Filler Metals
|
Solidus
|
Liquidus
|
Nominal
Composition, %
|
AWS
Class
|
Technical
Documents
|
MSDS
Safety Documents
|
°F
|
°C
|
°F
|
°C
|
Ag
|
Au
|
Pt
|
Pd
|
Others
|
Silver
Available in several
grades including (99.9, 99.93, 99.95, 99.99).
|
1761
|
961
|
1761
|
961
|
99.99
|
0
|
0
|
0
|
0
|
N/A
|
482K
|
86.3K |
Gold
Very ductile - Wets
most metals. Several grades available.
|
1947
|
1064
|
1947
|
1064
|
0
|
99.99
|
0
|
0
|
0
|
N/A
|
58K
|
N/A
|
Platinum
Very high temperature
- Several grades available.
|
3216
|
1767
|
3216
|
1767
|
0
|
0
|
99.99
|
0
|
0
|
N/A
|
57K
|
58.4K |
Palladium
High temperature brazing
of refractory metals. Several grades available.
|
2826
|
1552
|
2826
|
1552
|
0
|
0
|
0
|
99.99
|
0
|
N/A
|
57K
|
68.8K |
Brazing
Alloys for Vacuum Applications
|
Solidus
|
Liquidus
|
Nominal
Composition, %
|
AWS
Class
|
Technical
Documents
|
MSDS
Safety Documents
|
°F
|
°C
|
°F
|
°C
|
Ag
|
Cu
|
Sn
|
Ni
|
Others
|
Braze
503
For electronic components
where Cd and Zn are not desired.
|
1435
|
779
|
1600
|
870
|
50
|
50
|
0
|
0
|
0
|
BVAg-6b
|
152K
|
89.5K |
Braze
604
For vacuum tube seals
- joins ferrous and nonferous alloys.
|
1115
|
600
|
1325
|
720
|
60
|
30
|
10
|
0
|
0
|
BVAg-18
|
80.2K
|
91K |
Braze
716
For atmosphere brazing
of Nickel & Ferrous-based metals.
|
1435
|
780
|
1465
|
795
|
71.5
|
28
|
0
|
0.5
|
|
BVAg-8b
|
75.8K
|
93.2K
|
Braze
717
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
N/A
|
93.2K
|
Braze
721
For joining nonferrous
electric components in vacuum.
|
1435
|
780
|
1435
|
780
|
72
|
28
|
0
|
0
|
0
|
BVAg-8
|
81.3K
|
89.5K
|
Braze
999
A VTG alloy for brazing
ceramics to be used in semiconductors.
|
1761
|
961
|
1761
|
961
|
99.9
|
0
|
0
|
0
|
0
|
BVAg-0
|
116K
|
79.9K
|
Lithobraze
Alloys
|
Solidus
|
Liquidus
|
Nominal
Composition, %
|
AWS
Class
|
Technical
Documents
|
MSDS
Safety Documents
|
°F
|
°C
|
°F
|
°C
|
Ag
|
Cu
|
Sn
|
Ni
|
Others
|
Lithobraze
720
For brazing in dry
hydrogen or inert atmosphere - joins stainless.
|
1400
|
760
|
1400
|
760
|
71.7
|
28
|
0
|
0
|
0.3
Li
|
BAg-8a
|
155K
|
90K
|
Lithobraze
925
Recommended for furnace
brazing of Stainless without flux.
|
1400
|
760
|
1635
|
890
|
92.5
|
7.3
|
0
|
0
|
0.2
Li
|
BAg-19
|
155K
|
90K
|
Premabraze
Alloys
|
Solidus
|
Liquidus
|
Nominal
Composition, %
|
AWS
Class
|
Technical
Documents
|
MSDS
Safety Documents
|
°F
|
°C
|
°F
|
°C
|
Ag
|
Au
|
Cu
|
Pd
|
Others
|
Premabraze
051
Narrow melting range
- good for step brazing.
|
1625
|
885
|
1643
|
895
|
5
|
75
|
20
|
0
|
0
|
N/A
|
53K
|
90K
|
Premabraze
127
For Nickel, Mo, SS,
Kovar®, and Mo-Mn metalized ceramics.
|
1785
|
974
|
1885
|
1029
|
0
|
35
|
62
|
0
|
3
Ni
|
BAu-3
|
54K
|
85.9K
|
Premabraze
131
For vacuum applications
- joins SS, Inconnel, Kovar®. Tungsten, etc.
|
1740
|
949
|
1740
|
949
|
0
|
82
|
0
|
0
|
18
Ni
|
BVAu-4
|
165K
|
89.2K
|
Premabraze
180
Low penetration of
substrates.
|
2246
|
1230
|
2255
|
1235
|
0
|
0
|
0
|
65
|
35
Co
|
N/A
|
54K
|
82.5K
|
Premabraze
265
For SS, Cu, Kovar®
and non-Mo-Mn metallized ceramics.
|
1562
|
850
|
1662
|
900
|
65
|
0
|
20
|
15
|
0
|
N/A
|
55K
|
83.5K
|
Premabraze
399
For Copper, Nickel,
Kovar® and Mo-Mn metallized ceramics.
|
1815
|
991
|
1860
|
1016
|
0
|
37.5
|
62.5
|
0
|
0
|
BAu-1
|
53K
|
82.4K
|
Premabraze
402
For Copper, Nickel,
Kovar® and Mo-Mn metallized ceramics.
|
1751
|
955
|
1778
|
970
|
0
|
50
|
50
|
0
|
0
|
N/A
|
54K
|
82.4K
|
Premabraze
407
For Copper, Nickel,
Kovar® and Mo-Mn metallized ceramics.
|
1814
|
990
|
1850
|
1010
|
0
|
35
|
65
|
0
|
0
|
N/A
|
54K
|
82.4K
|
Premabraze
408
Narrow melting range,
useful in step brazing.
|
1535
|
835
|
1553
|
845
|
20
|
60
|
20
|
0
|
0
|
N/A
|
53K
|
89.4K
|
Premabraze
409
For Cu, Ni, Mo-Mn -
remains ductile. Low vapor pressure.
|
1670
|
910
|
1697
|
925
|
0
|
81.5
|
16.5
|
0
|
2
Ni
|
N/A
|
54K
|
82.7K
|
Premabraze
500
High strength and good
oxidation resistance, for joining Super Alloys.
|
2016
|
1102
|
2050
|
1121
|
0
|
50
|
0
|
25
|
25
Ni
|
BVAu-7
|
54K
|
83.6K
|
Premabraze
540
Similar to Au-Ni -
lower cost and density. Doesn't embrittle Kovar®.
|
1652
|
900
|
1740
|
950
|
54
|
0
|
21
|
25
|
0
|
BVAg-32
|
54K
|
83.5K
|
Premabraze
550
For corrosion resistance
joints - Brazing stainless steel.
|
1520
|
827
|
1600
|
871
|
55
|
0
|
30
|
10
|
5
Ni
|
N/A
|
144K
|
87K
|
Premabraze
580
For Nickel, Copper,
Kovar® and Mo-Mn. Good for vacuum tight joints.
|
1515
|
824
|
1566
|
852
|
58
|
0
|
32
|
10
|
0
|
BVAg-31
|
54K
|
83.5K
|
Premabraze
616
For joining ferrous
and nonferrous metals in moderate temp vaccum.
|
1155
|
625
|
1305
|
