Different metals used in the merge, high mechanical strength and excellent flow characteristics common to use brazing alloys. Steel, precious metals, copper, copper alloys and nickel alloys are used in brazing.
Cadmium silver alloy brazing wires has good fluidity and high strength. There's this group of products includes pewter silver alloys.
Cadmium Containing Silver Alloy Brazing Wires:
Wire | S 303 | S 304 | S 305 | S 306 | S 307 |
---|---|---|---|---|---|
Wire Coated Flux | SF 303 | SF 304 | SF 305 | SF 306 | SF 307 |
EN 1044 | AG 309 | AG 307 | AG 306 | AG 304 | AG 302 |
AWS A5.8 | - | BAg-33 | BAg-2a | - | BAg-1 |
DIN 8513 | L-Ag20Cd | L-Ag25Cd | L-Ag30Cd | L-Ag40Cd | L-Ag45Cd |
Ag | 20 | 25 | 30 | 40 | 45 |
Cu | 40 | 30 | 28 | 19 | 16 |
Zn | 25 | 27 | 21 | 21 | 16 |
Cd | 15 | 18 | 21 | 20 | 23 |
Melting Range (°C) | 605-765 | 605-720 | 600-690 | 595-630 | 620-635 |
Cadmium Free Silver Alloy Brazing Wires:
Wire | S 317 | S 318 | S 319 | S 316 | S 315 | S 314 |
---|---|---|---|---|---|---|
Wire Coated Flux | SF 317 | SF 318 | SF 319 | SF 316 | SF 315 | SF 314 |
EN 1044 | AG 108 | AG 107 | AG 106 | AG 105 | AG 104 | AG 103 |
AWS A5.8 | - | - | - | BAg-28 | - | - |
DIN 8513 | L-Ag25Sn | L-Ag30Sn | L-Ag34Sn | L-Ag40Sn | L-Ag45Sn | L-Ag55Sn |
Ag | 25 | 30 | 34 | 40 | 45 | 55 |
Cu | 40 | 36 | 36 | 30 | 27 | 21 |
Zn | 33 | 32 | 27 | 28 | 25 | 22 |
Sn | 2 | 2 | 3 | 2 | 3 | 2 |
Melting Range (°C) | 680-760 | 650-750 | 630-730 | 640-700 | 640-680 | 620-660 |