Brazing and Filler Metals Quiz

What is the purpose of matching the filler metal chemistry and mechanical properties to the parent metal in brazing?

• To ensure proper adhesion and performance

• To reduce the cost of materials

• To increase the speed of the process

• To change the color of the metal

Which organization compiles specifications for oxyfuel brazing and braze welding filler metals?

• American Welding Society (AWS)

• International Welding Institute (IWI)

• National Metal Association (NMA)

• Global Welding Federation (GWF)

According to AWS specification A5.8, which of the following is NOT a filler metal type category?

• Titanium (BTi)

• Silver (BAg)

• Nickel (BNi)

• Gold (BAu)

What is the AWS specification number for Filler Metals for Brazing and Braze Welding?

• A5.8

• A5.1

• A3.5

• A7.2

What letter is used to designate brazing and braze welding filler metals?

• E

• R

• B

• RB

What does the prefix "RB" indicate in brazing filler metals?

• Used for electrodes

• Used for rods

• Used for braze welding and as a brazing filler metal

• Used for high impact applications

What is an example of a chemical symbol used to designate a brazing alloy's principal element?

• BCuP-1

• BAISi

• B4g

• RB

Why are most brazing alloys not suitable for high impact service applications?

• They have a narrow melting temperature range

• They are too hard

• They are quite soft

• They are too expensive

What metals cannot be joined using silver-based brazing filler metals?

• Aluminum and magnesium

• Copper and zinc

• Iron and nickel

• Silver and gold

What is the temperature range for brazing with silver-based filler metals?

• 618°C to 1038°C

• 500°C to 800°C

• 700°C to 1200°C

• 400°C to 900°C