Brazing & Soldering Products
Lucas-Milhaupt offers the most comprehensive inventory of alloys and forms in the industry and our expertise in brazing and soldering ensures that we can find the best-matched products for your needs.
Technical Documentation
Visit our knowledge base for MSDS and other technical documentation.
Aluminum Filler Metals
When you purchase Lucas-Milhaupt aluminum filler metals, not only do you get the finest filler metal on the market, you get over 65 years Lucas Milhaupt technical expertise at your fingertips, access to our regional team managers to work with you and your team.
Aluminum brazing filler metals are used to join common aluminum alloys and aluminum to copper. These filler metals are widely used in HVAC/R industry and automobile industry. Lucas-Milhaupt also offers aluminum flux-cored wire and rings and our new triangular-shaped aluminum brazing ring, giving you the precision and speed for effective aluminum coil joint brazing.
Available Aluminum Filler Types and Materials
These Lucas-Milhaupt materials are available in
- Wire
- Strip
- Powder
- Paste (both corrosive and non-corrosive formulations)
- Preformed rings and shapes
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| Product | Solidus | Liquidus | Nominal Composition, % | AWS & International Standards | Technical Documents* | MSDS Safety Documents* | |||||||
| °F | °C | °F | °C | Al | Cu | Si | Zn | ||||||
| Al 716 Available in wire and preforms. Wide melting range (less fluid) filler metal. |
970 | 521 | 1085 | 585 | 86 | 4 | 10 | BAlSi-3, AMS 4184, AA 4145 | |||||
| Al 718 Available in strip, wire, powder, paste and preforms. Most fluid of the aluminum filler metals. |
1070 | 577 | 1080 | 582 | 88 | 12 | BAlSi-4, AMS 4185, AA 4047 | ||||||
| Al 719 Available as a powder or paste. |
960 | 516 | 1040 | 560 | 76 | 4 | 10 | 10 | AA 4245 | ||||
| Al 802 Available as wire and preforms. High temperature solder for aluminum. |
710 | 377 | 725 | 385 | 2 | 98 | |||||||
| Al 822 Available as wire and preforms. High strength, low temperature braze for joining aluminum to aluminum and aluminum to copper. |
800 | 426 | 900 | 482 | 22 | 78 | |||||||
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