--- title: Blog | Brazing & Soldering Manufacturer | Lucas-Milhaupt | Torch description: Torch | 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. --- [![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 ## [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) ## [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) ## [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) ## [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) ## [Torch Brazing Stainless Steel](https://blog.lucasmilhaupt.com/en-us/about/blog/torch-brazing-stainless-steel) ***Posted by Lucas-Milhaupt Brazing Experts on Aug 4, 2014*** Torch Brazing Stainless Steel Stainless steels encompass a variety of iron-based alloys, having more than 10% chromium, which offer corrosion resistance through a transparent chromium oxide layer. The AWS Handbook lists five categories of stainless steels: Austenitic (nonhardenable) steels (i.e. ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/torch-brazing-stainless-steel) Topics: [Automotive](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/automotive), [Stainless Steel](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/stainless-steel), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) ## [Protecting Aluminum-Copper HVAC/R Joints](https://blog.lucasmilhaupt.com/en-us/about/blog/protecting-aluminum-copper-hvacr-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](https://blog.lucasmilhaupt.com/en-us/about/blog/protecting-aluminum-copper-hvacr-joints) 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), [Aluminum](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/aluminum), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch), [Brazing Tips](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-tips) ## [Torch Brazing Brass to Copper with Braze™](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-brass-and-copper-video) ***Posted by Lucas-Milhaupt Brazing Experts on Oct 14, 2013*** 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 the correct amount of flux to ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-brass-and-copper-video) Topics: [Low Silver](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/low-silver), [Copper](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/copper), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) ## [Oxy-acetylene Torch Safety](https://blog.lucasmilhaupt.com/en-us/about/blog/oxy-acetylene-torch-safety) ***Posted by Lucas-Milhaupt Brazing Experts on May 30, 2013*** When it comes to safely brazing with oxy-acetylene torches, let's look at two important aspects: safety equipment, plus procedures for safe operation. This is serious business: arc rays and sparks can result in loss of sight, fume inhalation can lead to lung damage, and other accidents can cause ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/oxy-acetylene-torch-safety) Topics: [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch), [Brazing Fundamentals](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-fundamentals), [Brazing Tips](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-tips) ## [Torch Brazing Copper to Copper](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-copper-to-copper-video) ***Posted by Lucas-Milhaupt Brazing Experts on May 21, 2013*** 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. Insert the tube, with a ... [Read More](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-copper-to-copper-video) 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), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) ## [Torch Brazing Copper to Steel with Handy One®](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-copper-to-steel) ***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 below 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](https://blog.lucasmilhaupt.com/en-us/about/blog/brazing-copper-to-steel) Topics: [Copper](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/copper), [Steel](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/steel), [Torch](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/torch) [All posts](https://blog.lucasmilhaupt.com/en-us/about/blog/all) ### Subscribe to Our Blog to Stay Current on All Things Brazing! ### Recent Posts ### Posts by Tag - [Brazing Fundamentals (23)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-fundamentals) - [HVAC/R (17)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/hvac-r) - [Copper (12)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/copper) - [Flux (12)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/flux) - [Brazing Tips (11)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/brazing-tips) - [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 (5)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/automotive) - [Electrical (5)](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 (4)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/high-purity-vacuum-tube-grade) - [Oil & Gas (4)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/oil-gas) - [Aerospace (3)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/aerospace) - [Electronics (3)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/electronics) - [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) - [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) - [Medical (1)](https://blog.lucasmilhaupt.com/en-us/about/blog/tag/medical) - [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. Pennsylvania Ave. Cudahy, WI 53110 (414) 769-6000 - [Contact Us](https://www.lucasmilhaupt.com/About/Contact) - [Privacy](https://www.lucasmilhaupt.com/Privacy) - [Careers](https://www.lucasmilhaupt.com/About/Careers) © Copyright 2025 Lucas Milhaupt LLC | All rights reserved.