Copper Tubing Braze Alloy Usage Calculator

Posted by Lucas-Milhaupt Brazing Experts on Apr 6, 2016
  The new Lucas-Milhaupt® calculator makes it easy and convenient to estimate the amount of braze alloy or solder alloy required for plumbing or HVACR applications. How can you use this online tool? Increase accuracy of estimating the amount of alloy you need-in readily available sizes-for common ...
Read More

Topics: HVAC/R, Copper

Brazing Components for Refrigeration

Posted by Lucas-Milhaupt Brazing Experts on Sep 24, 2015
Brazing Components for Refrigeration Today, we address correct brazing alloys as well as proper brazing methods for refrigeration components. Our main topics are: Alloy selection Gas and torch selection Brazing method Nitrogen purge System evacuation and charge Remember, brazing in the HVAC/R ...
Read More

Topics: HVAC/R, Copper, Steel, Aluminum, Torch

Aluminum Brazing: Corrosive or Non-Corrosive Flux

Posted by Lucas-Milhaupt Brazing Experts on Mar 24, 2015
Aluminum brazing has become prevalent in the automotive and HVAC/R industries. Most manufacturers are using all-aluminum or mostly aluminum components, including evaporator and condenser coils, distributors, liquid and suction lines. When brazing aluminum, two families of fluxes are commercially ...
Read More

Topics: Copper, Nickel, Aluminum, Torch

Copper-Phosphorous Alloys for Copper Brazing

Posted by Lucas-Milhaupt Brazing Experts on Dec 9, 2014
Copper-Phosphorous Alloys for Copper Brazing The alloys copper-phosphorous and silver-copper-phosphorous were patented in the U.S. in 1914 and gained popularity when new refrigerants were developed to replace ammonia. These refrigerants enabled the use of copper to facilitate the increased demand ...
Read More

Topics: HVAC/R, Electrical, Copper, Torch

Protecting Aluminum-Copper HVAC/R Joints

Posted by Lucas-Milhaupt Brazing Experts on May 15, 2014
Aluminum-Copper HVAC Protection The HVAC/Refrigeration industry is converting many components from copper to aluminum. The reasons? Aluminum is less expensive by weight, is more corrosion resistant, weighs less, and maintains similar heat-transfer rates to copper. These aluminum parts are joined to ...
Read More

Topics: HVAC/R, Copper, Aluminum, Torch, Brazing Tips

Liquid Metal Embrittlement

Posted by Lucas-Milhaupt Brazing Experts on Mar 6, 2014
Liquid Metal Embrittlement Liquid Metal Embrittlement (LME) may occur in a brazing operation involving high-strength materials such as stainless steels, nickel alloys or age-hardened alloys, when the materials are stressed and come into contact with molten brazing filler metal. Many cases have been ...
Read More

Topics: Flux, Copper, Stainless Steel

Torch Brazing Brass to Copper with Braze™

Posted by Lucas-Milhaupt Brazing Experts on Oct 14, 2013
Video: Joining Brass to Copper Braze 560 alloy is a near eutectic. Watch our three-minute video to see how this material freely wets and flows on brass and copper components. We will show you the critical steps for successfully fluxing and brazing parts to achieve quality joints. Watch for tips on ...
Read More

Topics: Low Silver, Copper, Torch

Torch Brazing Copper to Copper

Posted by Lucas-Milhaupt Brazing Experts on May 21, 2013
Copper Brazing Video In about four minutes, this technical video will give you an up-close, step-by-step view of successful copper-to-copper brazing.  You will learn these important steps to achieving strong, reliable joints: 1.      Clean tubing and fitting, removing burrs and contaminants 2.      ...
Read More

Topics: HVAC/R, Copper, Torch

Joining Aluminum to Copper Video

Posted by Lucas-Milhaupt Brazing Experts on Mar 14, 2013
In about four minutes, this new technical video from Lucas-Milhaupt will walk you step-by-step through this brazing process.  We'll address procedures and alloy options that will help you successfully braze copper and aluminum components.  Watch for the definition of a perfect joint gap! We'll ...
Read More

Topics: Copper, Aluminum

Torch Brazing Copper to Steel with Handy One®

Posted by Lucas-Milhaupt Brazing Experts on Feb 15, 2013
Traditional Braze Alloy and Flux Paste vs. Flux-cored Brazing Products In less than five minutes, this technical video clip from Lucas-Milhaupt will show you the Handy® way to improve your process for brazing copper to steel. Handy One® flux-cored products offer these benefits: No separate ...
Read More

Topics: Copper, Steel, Torch