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Brazing Excellence for Over 65 Years. Lucas-Milhaupt is a global provider and leading producer of metal joining products and services for thousands of companies worldwide.

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Friday, July 11, 2014
Inspecting Brazed Joints

You have designed your braze joint, selected the appropriate braze materials, factored in fixturing, planned the brazing process and considered cleaning needs. However, have you built into the process how you will inspect the finished brazed joints? Let’s investigate this vital step in ensuring the quality and performance of your finished product.

Thursday, May 15, 2014
Protecting Aluminum-Copper HVAC/R Joints

The HVAC/Refrigeration industry is converting many components from copper to aluminum. These aluminum parts are then typically joined to copper components via brazing. The resulting joints must be protected from galvanic corrosion in the HVAC/R environment. In today’s posting, we will discuss the challenge as well as potential solutions.

Monday, April 14, 2014
Solders for Potable Water

It has been more than 20 years since the passage of the Federal Clean Drinking Water Act in the U.S., which limited the amount of lead (Pb) in solder used for potable water systems. Let’s look at the non-Pb-bearing alloys and the implications for proper joining, plus recommended fluxes for soldering in this application.

Wednesday, March 26, 2014
Liquidus vs. Solidus

When choosing a filler metal for brazing applications, it is important to consider melting behavior—specifically liquidus temperature. Today, we will look at the differentiation of liquidus vs. solidus, considerations for the brazing operation, and examples of appropriate filler metals for specific situations.