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

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Sure Flo Fluxes

For low temperature brazing, Sure Flo Flux is a smooth and creamy composition that provides excellent adhesion to parts. Its consistent blend will not spatter or run during a rapid heating cycle (like induction processes). Sure Flo Flux has excellent fluxing action and oxide removal and will not crystallize under normal conditions.

When you purchase Lucas-Milhaupt Sure Flo Fluxes, not only do you get the most premium product on the market, you get 65 years' worth of Lucas Milhaupt technical expertise at your fingertips and access to our regional team managers to work with you and your team.

For more information on our Sure Flo Fluxes, view our knowledge base for our most common materials available for download.

How to Purchase Lucas Milhaupt Sure Flo Fluxes

You can contact us or call our offices in North America (414) 769-6000, Europe +33 (0) 5 53 92 5300, or Asia +86 (572) 62 89 1510.

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Product AvailabilityActive Temperature RangeAWS & International Standards Technical Documents* MSDS Safety Documents*
Sure Flo Black - Paste

Similar as Handy B-1, Sure Flo Black can be used for brazing high chromium stainless steels, tungsten and chromium carbides, and molybdenum alloys. Ideally suited for induction heating where localized over-heating, or longer heating cycles may occur. Ideally suited where refractory oxides may form (chromium tungsten, etc.). Better brushability and excellent adhesion - will not splatter.

1 lb (454 g) jar
5 lb (2.27 kg) jar
25 lb (11.34 kg) pail
50 lb (22.68 kg) pail
540°C - 926°C
1050°F - 1700°F 
FB3C, AMS 3411
Sure Flo Flux - Paste

General Purpose, low temp. brazing flux which provides excellent adhesion and creamy smooth consistency. For brazing ferrous & nonferrous alloys. Same as HANDY FLUX™, Sure Flo Flux dissolves the oxides that form on copper, brass, nickel, monel, steel, and stainless steel during heating. Will not crystallize.

1 lb (454 g) jar
5 lb (2.27 kg) jar
25 lb (11.34 kg) pail
50 lb (22.68 kg) pail
600°C - 871°C
1100°F - 1600°F 
FB3A, AMS 3410
Warranty Statement

This statement reflects the standard warranties of Lucas-Milhaupt, Inc. formulated products that include: brazing/soldering pastes, fluxes, and brazing aids.

  0°C - 0°C
0°F - 0°F 

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