Exam 28: Filler Metal Selection

In the AWS specification for stainless steel-covered arc electrodes, the letter "L" added to the right of the AISI number indicates ____.

In the AWS specification for carbon steel-covered arc electrodes, a 2 to the right of the tensile strength indicates the following welding position(s): ____.

As the percentage of ____ increases, tensile strength, toughness, and corrosion resistance increase.

What type of information about an electrode is given by the manufacturer?

The E6010 electrodes are designed to be used with _______ polarity.

Which of the following would not be a part of the technical data provided for an electrode?

Some high-temperature slags, called ____________________, solidify before the weld metal solidifies.

Which group has developed the most widely used numbering and lettering system for filler metal identification ?

As the percentage of ____ increases, the tensile strength increases, the hardness increases, and ductility is reduced.

As the percentage of carbon increases, ____ can cause hot shortness and porosity.

____ indicates a rod that is heated by some other source other than electric current flowing directly through it.

Metal core arc welding electrodes are similar to what other type of electrodes?

What characteristic of some fluxes can help to push the weld penetration deeper?

In the identification system for mild steel FCAW electrodes, for example E71T-2, the final number is used to indicate ____.

The E6010 electrode contains ____________________, which decomposes into the hydrogen responsible for the deep electrode penetration so desirable in pipeline welding.

The minimum ____________________ is the load in pounds that would be required to break a section of sound weld that has a cross-sectional area of 1 square inch.

What is the significance of an alloy's CE number?

____________________ is the percentage that a 2-inch piece of weld will stretch before it breaks.

Describe the effect of shielded metal arc welding electrode selection on distortion.

____ indicates a brazing filler metal.