--- title: Blog | Brazing & Soldering Manufacturer | Lucas-Milhaupt (4) description: Lucas-Milhaupt has offered brazing and soldering excellence for over 65 years. We are a global provider and producer of metal joining products and services for thousands of companies worldwide. Our blog provides you with valuable brazing solutions, tips, and information that can be applied to your own applications and projects. (4) --- [![Lucas\_Milhaupt\_logo\_digital](https://blog.lucasmilhaupt.com/hubfs/Lucas_Milhaupt_logo_digital.jpg)](https://www.lucasmilhaupt.com/) - [Products](https://www.lucasmilhaupt.com/Products) - [Filler Metals](https://www.lucasmilhaupt.com/Products/Filler-Metals) - [Fluxes](https://www.lucasmilhaupt.com/Products/Fluxes) - [Pastes](https://www.lucasmilhaupt.com/Products/Pastes) - [Distribution](https://www.lucasmilhaupt.com/Products/Distribution) - [Industries](https://www.lucasmilhaupt.com/Industries) - [Aerospace](https://www.lucasmilhaupt.com/Industries/Aerospace) - [Automotive](https://www.lucasmilhaupt.com/Industries/Automotive) - [Electrical](https://www.lucasmilhaupt.com/Industries/Electrical) - [HVAC/R](https://www.lucasmilhaupt.com/Industries/HVACR) - [Medical](https://www.lucasmilhaupt.com/Industries/Medical) - [Microelectronics](https://www.lucasmilhaupt.com/Industries/Microelectronics) - [Oil and Gas](https://www.lucasmilhaupt.com/Industries/Oil-and-Gas) - [Services](https://www.lucasmilhaupt.com/Services) - [Capabilities](https://www.lucasmilhaupt.com/Services/Capabilities) - [Consulting Services](https://www.lucasmilhaupt.com/Services/Consulting-Services) - [Brazing Audits](https://www.lucasmilhaupt.com/Services/Brazing-Audit) - [Tech Support Request Form](https://www.lucasmilhaupt.com/Services/Tech-Support-Request-Form) - [Resources](https://www.lucasmilhaupt.com/Resources) - [FAQ](https://www.lucasmilhaupt.com/Resources-Library/FAQ) - [Literature](https://www.lucasmilhaupt.com/Resources-Library/Literature) - [Demo Videos](https://www.lucasmilhaupt.com/Resources-Library/Demo-Videos) - [Technical and Safety Data Sheets](https://www.lucasmilhaupt.com/Resources-Library/Technical-and-Safety-Data-Sheets) - [Brazing Academy](https://www.lucasmilhaupt.com/Brazing-Academy) - [Brazing Fundamentals](https://www.lucasmilhaupt.com/Brazing-Academy/Brazing-Fundamentals) - [Braze School and Training](https://www.lucasmilhaupt.com/Brazing-Academy/Braze-School-and-Training) - [How to Braze Aluminum](https://www.lucasmilhaupt.com/Brazing-Academy/How-to-Braze-Aluminum) - [Principles of Joint Design](https://www.lucasmilhaupt.com/Brazing-Academy/Principles-of-Joint-Design) - [Why Brazing?](https://www.lucasmilhaupt.com/Brazing-Academy/Why-Brazing) - [Metal Joining: Brazing vs. Soldering](https://www.lucasmilhaupt.com/Brazing-Academy/Metal-Joining-Brazing-vs.-Soldering) - [Metal Joining: Brazing vs. Welding](https://www.lucasmilhaupt.com/Brazing-Academy/Metal-Joining-Brazing-vs.-Welding) - [About](https://www.lucasmilhaupt.com/About) - [Center of Excellence](https://www.lucasmilhaupt.com/About/Center-of-Exellence) - [Certification](https://www.lucasmilhaupt.com/About/Certification) - [Find Locations](https://www.lucasmilhaupt.com/About/Find-Locations) - [Find a Distributor](https://www.lucasmilhaupt.com/About/Find-a-Distributor) - [News & Events](https://www.lucasmilhaupt.com/About/NewsEvents) - [History](https://www.lucasmilhaupt.com/About/History) - [SIL-FOS](https://www.lucasmilhaupt.com/About/SIL-FOS) - [Social Responsibility](https://www.lucasmilhaupt.com/About/Social-Responsibility) - [Careers](https://www.lucasmilhaupt.com/About/Careers) - [Culture](https://www.lucasmilhaupt.com/About/Culture) - [Contact](https://www.lucasmilhaupt.com/About/Contact) # Blog ## [What Can Lucas-Milhaupt Technical Services Do for You?](https://blog.lucasmilhaupt.com/en-us/about/blog/lucas-milhaupt-technical-services) ***Posted by Lucas-Milhaupt Brazing Experts on Feb 29, 2016*** Companies are facing tremendous economic pressure today, which requires renewed focus on core business practices. Your goals may include increasing workforce skills, improving manufacturing processes and building more robust products while reducing costs associated with labor, field failure and ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/lucas-milhaupt-technical-services) Topics: [Brazing Tips](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-tips) ## [Brazing Components for Refrigeration](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-components-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](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-components-refrigeration) Topics: [HVAC/R](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/hvac-r), [Copper](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/copper), [Steel](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/steel), [Aluminum](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/aluminum), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) ## [Brazing for the Refrigeration Cycle](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-for-the-refrigeration-cycle) ***Posted by Kendra Pilon on Aug 3, 2015*** Refrigeration is the transfer of heat from a lower temperature region to a higher temperature region. The most common refrigeration cycle-used in home refrigerators-is the vapor-compression refrigeration cycle. This cycle has four components, as seen in Figure 1: Compressor Condenser Coil Expansion ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-for-the-refrigeration-cycle) ## [Torch Brazing with Pre-formed Rings vs. Hand-fed Rods](https://blog.lucasmilhaupt.com/en-us/about/blog/preformed-rings-vs-hand-fed-rods) ***Posted by Lucas-Milhaupt Brazing Experts on Jul 1, 2015*** Lucas-Milhaupt performed a study on the performance of braze filler metal rings against the performance of hand-fed filler metal rods. We used three heating, ventilating, air conditioning and refrigeration (HVAC/R) industry-standard tube sizes. Five trained and certified technicians helped ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/preformed-rings-vs-hand-fed-rods) Topics: [HVAC/R](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/hvac-r), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) ## [De-alloying or Selective Attack in Brazing](https://blog.lucasmilhaupt.com/en-us/about/blog/dezincification-in-brazing) ***Posted by Lucas-Milhaupt Brazing Experts on Apr 24, 2015*** What is dezincification? First, we must understand dealloying-a type of corrosion involving selective leaching or removal of one element or phase with in the material. This selectively removed phase or element from an alloy, leaves behind a porous, spongy mass. Dezincification is a form of ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/dezincification-in-brazing) ## [Aluminum Brazing: Corrosive or Non-Corrosive Flux](https://blog.lucasmilhaupt.com/en-us/about/blog/aluminum-brazing-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](https://blog.lucasmilhaupt.com/en-us/about/blog/aluminum-brazing-flux) Topics: [Copper](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/copper), [Nickel](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/nickel), [Aluminum](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/aluminum), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) ## [The Effect of Joint Clearance on Braze Joint Strength](https://blog.lucasmilhaupt.com/en-us/about/blog/joint-clearance-and-joint-strength) ***Posted by Mariana Ruiz on Feb 25, 2015*** Brazing uses the principle of capillary action to distribute molten filler metal between the surfaces of base metals being joined. Therefore, during the brazing operation, take care to maintain a proper clearance between the base metals to allow capillary action to work effectively. In most cases, ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/joint-clearance-and-joint-strength) ## [Step Brazing](https://blog.lucasmilhaupt.com/en-us/about/blog/step-brazing) ***Posted by Lucas-Milhaupt Brazing Experts on Feb 6, 2015*** Step brazing defined: The brazing of successive joints on a given part with filler metals of successively lower brazing temperatures so as to accomplish the joining without disturbing the joints brazed previously. A similar result can be achieved at a single brazing temperature if the remelt ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/step-brazing) Topics: [Furnace](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/furnace) ## [Copper-Phosphorous Alloys for Copper Brazing](https://blog.lucasmilhaupt.com/en-us/about/blog/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](https://blog.lucasmilhaupt.com/en-us/about/blog/copper-brazing) Topics: [HVAC/R](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/hvac-r), [Electrical](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/electrical), [Copper](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/copper), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) ## [Materials Calculators Blog](https://blog.lucasmilhaupt.com/en-us/about/blog/braze-materials-calculator) ***Posted by Lucas-Milhaupt Brazing Experts on Nov 14, 2014*** Lucas-Milhaupt Materials Calculators Materials questions? We can help. When ordering alloys, you may have the dimensions or length of a braze joint, but many products are sold by weight. How much should you order? Or, conversely, you may know the mass/weight, but need the length. Our calculators ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/braze-materials-calculator) Topics: [Aerospace](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/aerospace), [Medical](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/medical), [Automotive](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/automotive), [HVAC/R](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/hvac-r), [Electrical](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/electrical), [Electronics](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/electronics), [Oil & Gas](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/oil-gas) [Previous](https://blog.lucasmilhaupt.com/en-us/about/blog/page/3) [All posts](https://blog.lucasmilhaupt.com/en-us/about/blog/all) [Next](https://blog.lucasmilhaupt.com/en-us/about/blog/page/5) ### Subscribe to Our Blog to Stay Current on All Things Brazing! ### Recent Posts ### Posts by Tag - [Brazing Fundamentals (24)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-fundamentals) - [HVAC/R (18)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/hvac-r) - [Brazing Tips (13)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-tips) - [Copper (12)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/copper) - [Flux (12)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/flux) - [Torch (10)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) - [Aluminum (8)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/aluminum) - [Automotive (6)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/automotive) - [Electrical (6)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/electrical) - [Furnace (5)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/furnace) - [High Purity Vacuum Tube Grade (5)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/high-purity-vacuum-tube-grade) - [Aerospace (4)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/aerospace) - [Electronics (4)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/electronics) - [Oil & Gas (4)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/oil-gas) - [Solder (3)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/solder) - [High Silver (2)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/high-silver) - [Low Silver (2)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/low-silver) - [Medical (2)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/medical) - [Stainless Steel (2)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/stainless-steel) - [Steel (2)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/steel) - [Carbide (1)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/carbide) - [Nickel (1)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/nickel) See all [![Lucas Milhaupt Join with the Best Logo RGB](https://blog.lucasmilhaupt.com/hs-fs/hubfs/Lucas%20Milhaupt%20Join%20with%20the%20Best%20Logo%20RGB.png?width=276&height=93&name=Lucas%20Milhaupt%20Join%20with%20the%20Best%20Logo%20RGB.png)](https://www.lucasmilhaupt.com/) 4850 S. 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