Silver-Based
Cadmium-Free Filler Metals
|
Solidus
|
Liquidus
|
Nominal
Composition, %
|
AWS
Class
|
Technical
Documents
|
MSDS
Safety Documents
|
°F
|
°C
|
°F
|
°C
|
Ag
|
Cu
|
Zn
|
Others
|
Braze
051
Brazing nichrome resistance
elements, or simultaneous brazing and heat treating of steels.
|
1545
|
840
|
1615
|
880
|
5
|
58
|
37
|
0
|
N/A
|
69.7K
|
92.5K |
Braze
071
Used when heat treatment
follows brazing, as a lower melting alloy than copper, or in
vacuum systems.
|
1225
|
665
|
1805
|
985
|
7
|
85
|
0
|
8
Sn
|
N/A
|
128K
|
91K |
Braze
090
For copper base alloys
such as in band instruments; or joint brazing/cyanide case hardening
of steels.
|
1410
|
765
|
1565
|
850
|
9
|
53
|
38
|
0
|
N/A
|
149K
|
93K |
Braze
202
For simultaneous brazing
and heat treating of steels.
|
1315
|
710
|
1500
|
815
|
20
|
45
|
35
|
0
|
N/A
|
168K
|
93K |
Braze
250
Low silver filler metal
for joining ferrous and nonferrous alloys.
|
1250
|
675
|
1575
|
855
|
25
|
52.2
|
22.5
|
0
|
N/A
|
149K
|
100K |
Braze
252
Economical filler metal
for tungsten carbide, stainless steel and steel.
|
1305
|
705
|
1475
|
800
|
25
|
38
|
33
|
2
Mn, 2 Ni
|
BAg-26
|
192K
|
98K
|
Braze
255
Economical filler metal
for ferrous and nonferrous joints not requiring high ductility
or impact strength.
|
1270
|
690
|
1435
|
780
|
25
|
40
|
33
|
2
Sn
|
BAg-37
|
136K
|
93K
|
Braze
300
For steel and nonferrous
alloys melting above 1450°F (790°C), nickel-silver knife
handles, electrical equipment.
|
1250
|
675
|
1410
|
765
|
30
|
38
|
32
|
0
|
BAg-20
|
148K
|
92.5K
|
Braze
351
Intermediate temperature
filler metal for use with ferrous and nonferrous materials.
|
1265
|
685
|
1390
|
755
|
35
|
32
|
33
|
0
|
BAg-35
|
54K |
92.5K
|
Braze
380
Free flowing, cadmium-free
filler metal used with ferrous and nonferrous base metals.
|
1200
|
650
|
1330
|
720
|
38
|
32
|
28
|
2
Sn
|
BAg-34
|
148K
|
92.3K
|
Braze
401
For copper base alloys,
mild steel, nickel and Monel, and where a narrow melt range
is desired.
|
1245
|
675
|
1340
|
725
|
40
|
30
|
30
|
0
|
N/A
|
73.5K
|
92.5K
|
Braze
402
A free-flowing medium
temperature filler metal for ferrous and nonferrous alloys.
|
1200
|
650
|
1310
|
710
|
40
|
30
|
28
|
2
Sn
|
BAg-28
|
74.1K
|
92.3K
|
Braze
403
For tungsten carbides,
and stainless steel food handling equipment allowing no cadmium.
|
1220
|
660
|
1435
|
780
|
40
|
30
|
28
|
2
Ni
|
BAg-4
|
77.5K
|
95.8K
|
Braze
404
For tungsten carbides
and stainless steel.
|
1220
|
660
|
1580
|
860
|
40
|
30
|
25
|
5
Ni
|
N/A
|
152K
|
96K
|
Braze
450
For ships' piping,
band instruments, aircraft engine oil coolers, brass lamps.
|
1225
|
665
|
1370
|
745
|
45
|
30
|
25
|
0
|
BAg-5
|
77.7K
|
92.5K
|
Braze
452
Low temperature, free-flowing,
Cd-free alloy.
|
1185
|
640
|
1260
|
680
|
45
|
27
|
25
|
3
Sn
|
BAg-36
|
74.2K
|
92.3K
|
Braze
495
For low-temperature
brazing of tungsten carbides and stainless steels.
|
1260
|
680
|
1290
|
700
|
49
|
16
|
23
|
7.5
Mn, 4.5 Ni
|
BAg-22
|
76.4K
|
97.7K
|
Braze
501
For steam turbine blading
and heavily galvanized or tinned steel, aluminum brass tubing.
|
1250
|
675
|
1425
|
775
|
50
|
34
|
16
|
0
|
BAg-6
|
152K
|
93K
|
Braze
502; 503 (VTG)
For applications similar
to Brazes 720 and 721 except where better gap filling is needed.
|
1435
|
780
|
1600
|
870
|
50
|
50
|
0
|
0
|
BVAg-6b
|
152K
|
89.5K
|
Braze
505
For 300 series stainless
steel food handling equipment with close joint clearances.
|
1220
|
660
|
1305
|
705
|
50
|
20
|
28
|
2
Ni
|
BAg-24
|
168K
|
95.8K
|
Braze
541
Atmosphere furnace
brazing for high temperature applications (up to 700°F/370°C),
such as on jet engines.
|
1340
|
725
|
1575
|
855
|
54
|
40
|
5
|
1
Ni
|
BAg-13
|
76.5K
|
95.8K
|
Braze
559
Same as Braze 541,
but used where zinc fumes in the furnace are not permissible.
|
1420
|
770
|
1640
|
895
|
56
|
42
|
0
|
2
Ni
|
BAg-13a
|
70.3K
|
93.2K
|
Braze
560
For food handling equipment
requiring a low melting, cadmium-free alloy.
|
1145
|
620
|
1205
|
650
|
56
|
22
|
17
|
5
Sn
|
BAg-7
|
74.3K
|
92.3K
|
Braze
580
A free flowing filler
metal used in brazing tungsten carbide which is subsequently
titanium nitrided.
|
1120
|
605
|
1345
|
730
|
57.5
|
32.5
|
0
|
7.0
Sn, 3.0 Mn
|
N/A
|
74.4K
|
92.3K
|
Braze
600
For Monel and other
nickel alloys, and in place of Braze 650 on silverware.
|
1245
|
675
|
1325
|
720
|
60
|
25
|
15
|
0
|
N/A
|
75.8K
|
92.5K
|
Braze
603; 604 (VTG)
For vacuum tube seals,
brazing of ferrous and nonferrous alloys without flux, for brazing
marine heat exchangers exposed to salt water at elevated temperatures
(where zinc is objectionable).
|
1115
|
600
|
1325
|
720
|
60
|
30
|
0
|
10
Sn
|
BAg-18,
BVAg-18Gr2
|
80.2K
|
90.5K
|
Braze
630
On 400 series stainless
steels for corrosion resistance to salt spray, chlorine solutions,
etc.
|
1275
|
690
|
1475
|
800
|
63
|
28.5
|
0
|
6
Sn, 2.5 Ni
|
BAg-21
|
79.6K
|
95K
|
Braze
650
For silverware, iron
and nickel alloys.
|
1240
|
670
|
1325
|
720
|
65
|
20
|
15
|
0
|
BAg-9
|
192K
|
92.5K
|
Braze
655
For brazing Invar,
Kovar and similar alloys to copper in vacuum tubes; as jet engine
rubbing seals.
|
1385
|
750
|
1560
|
850
|
65
|
28
|
0
|
5
Mn, 2 Ni
|
N/A
|
144K
|
119K
|
Braze
700
For silverware, when
subsequent joints are made with Braze 650.
|
1275
|
690
|
1360
|
740
|
70
|
20
|
10
|
0
|
BAg-10
|
192K
|
92.5K
|
Braze
715; 716 (VTG)
Filler metal and high
conductivity, similar to Braze 720, but suitable for both ferrous
and nonferrous alloys.
|
1435
|
780
|
1465
|
795
|
71.5
|
28
|
0
|
.5
Ni
|
BVAg-8b
|
75.8K
|
92.5K
|
Braze
720; 721 (VTG)
For nonferrous electronic
components requiring highest electrical and thermal conductivity.
The VTG grade has low volatile impurities, good for use in moderate
temperature vacuum systems.
|
1435
|
780
|
1435
|
780
|
72
|
28
|
0
|
0
|
BVAg-8Gr2,
BAg-8
|
152K
|
89.5K
|
LM
721 Gr1
Same as BR 721 - highest
purity for vacuum application.
|
1435
|
779
|
1435
|
779
|
72
|
28
|
0
|
0
|
BVAg-8Gr1
|
152K
|
89.5K
|
Braze
750
On silverware for step
brazing or enameling; for iron or nickel base alloys.
|
1365
|
740
|
1450
|
790
|
75
|
22
|
3
|
0
|
N/A
|
192K
|
93K
|
Braze
852
Brazing stainless,
Stellite, Inconel, complex carbides - for high-temperature service.
|
1760
|
960
|
1780
|
970
|
85
|
0
|
0
|
15
Mn
|
BAg-23
|
168K
|
90K
|
Braze
999
A VTG alloy for brazing
ceramics to be used as semiconductors.
|
1761
|
960
|
1761
|
960
|
99.9
|
0
|
0
|
0
|
BAg-0,
BVAg-0Gr2
|
N/A
|
79.9K
|
Lithobraze
720
For ferrous and nonferrous
base alloys; especially thin sections of stainless steels.
|
1400
|
760
|
1400
|
760
|
71.7
|
28
|
0
|
0.3
Li
|
BAg-8a
|
152K
|
89.5K
|
Lithobraze
925
To join skins to honeycomb
cores, particularly precipitation-hardening stainless steels.
|
1400
|
760
|
1635
|
890
|
92.5
|
7.3
|
0
|
0.2
Li
|
BAg-19
|
152K
|
89.5K
|
Premabraze
616 (VTG)
For ferrous and nonferrous
alloys used in moderate temperature vacuum tubes and systems.
|
1155
|
625
|
1305
|
705
|
61.5
|
24
|
0
|
14.5
In
|
BVAg-29
|
70.5K
|
83.3K
|
