Ideas & Expert Advice

Tech Tips

Achieving the Correct Electrical Conductivity When Welding Copper

welding image

When welding copper in a high electrical conductivity situation, it’s best to know the physical and chemical properties so you know what’s needed in a welding alloy.

Nitrogen Purge and Brazing

Harris nitrogen regulator (part no. 3002572)

Most HVAC installation instructions require flowing nitrogen through the copper tube during brazing. This is an important step in producing a quality HVAC system.

Actual and Typical Certifications

Harris brazing rod

Harris provides online actual and typical certifications for many of our consumable products. This brief overview looks at the difference between the two types of certifications.

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Oxyfuel Brazing Primer

Oxyfuel brazing is a simple yet effective method for joining metal that produces sound, leakproof connections. Harris technical director Robert Henson and manager of special products David Gailey discuss the common brazing alloys, base metal and fitting preparation requirements, and potential pitfalls you could encounter in this popular process to ensure optimal results.

Silver's Role in Phos-Copper Brazing Filler Metals

Probably the most widely used brazing filler metal is an alloy of copper and phosphorus, often with silver added as a third element. The role of silver in these alloys is often misunderstood.

Harris sets itself apart

During an Electra Mining visit to South Africa, David Nangle, the president and CEO of The Harris Products Group, presented the success of the company's new multiple channel distribution strategy, African Fusion reports.

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Harris Products Group Overview

Harris Corporate Video

Drawing from a long history, worldwide infrastructure, and nimble product structure, Harris Products Group has remained loyal to our core values and customer-focused innovation, operating to a higher standard. Since 1899, the Harris name has been identified with innovative people, practices and products. Created from the merging of the Harris Calorific Company and the J.W. Harris Company by Lincoln Electric in 2005, Harris has since grown to become the industry leader in consumables and equipment used in brazing, soldering, welding, cutting, heating and gas control.

AHR 2015

AHR Expo preview

The 2015 AHR Expo comes to Chicago's McCormick Place, January 26-28. Come to booth 5222 in the South Hall to see demos and the latest products from the Harris Products Group.

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