What is Brazing?

Brazing is the joining of two base materials with a filler metal. As defined by the American Welding Society (AWS), brazing temperatures must be below the melting point of the two base metals, and the filler metal must have a liquidus above 840°F (450°C) to flow smoothly into joints. Mostly performed in a vacuum or controlled atmosphere furnace, brazing is also done by using torch or induction heating.

Advantages of Brazing

• Assemblies of thin sheet materials, different thermal mass, or dissimilar metals are easily joined.
• Only the brazing filler metal is melted, not the base metal.
• Numerous joints and parts are batched and brazed simultaneously; welding processes only one part at a time.
• Capillary action produces leak-tight joint.
• Quality control is assured by using predetermined, automatically controlled and recorded furnace cycles.
• Parts brazed in controlled atmosphere furnaces emerge clean and oxide-free, eliminating post-braze cleaning.

Brazing Filler Metal

Nicrobraz filler metals are the original and best-known nickel-based brazing filler metals. Nicrobraz filler metals produce strong stainless and super-alloy brazements with heat and corrosion-resistant joints. A variety of nickel and copper based compositions are available to meet industry specifications, including AWS, AMS and G.E.

For more information please contact us.