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Filler Metals & Consumables Flashcards

7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Per AWS D1.1, low-hydrogen SMAW electrodes that have exceeded their allowable atmospheric exposure time must be reconditioned at what oven temperature range?

    Answer: 500–800°F (260–427°C)

    AWS D1.1 specifies that low-hydrogen electrodes must be reconditioned at 500–800°F (260–427°C) for at least one hour to actively drive off moisture already absorbed by the coating.

  2. When selecting a filler metal for a structural welding application, what is the most critical primary criterion?

    Answer: Matching or exceeding the minimum mechanical properties of the base metal

    The fundamental filler metal selection principle is that deposited weld metal must meet or exceed the minimum tensile and yield strength of the weaker base metal to ensure joint integrity.

  3. What is the primary purpose of iron powder added to SMAW electrode coatings, as seen in E7024?

    Answer: To increase deposition rate and welding efficiency

    Iron powder in electrode coatings melts and adds to the deposited weld metal, increasing deposition efficiency (sometimes above 100%) and allowing faster travel speeds in flat and horizontal positions.

  4. Which AWS specification covers solid electrodes and granular fluxes for submerged arc welding (SAW) of carbon and low-alloy steel?

    Answer: AWS A5.17

    AWS A5.17 covers carbon steel electrodes and fluxes for SAW; electrode and flux are classified together because weld metal properties depend on the interaction of both consumables.

  5. A welder must join high-strength low-alloy (HSLA) steel with a minimum yield strength of 80,000 psi. Which electrode provides matching-strength filler metal from the choices below?

    Answer: E11018-M

    E11018-M has a minimum tensile strength of 110,000 psi and a minimum yield strength of approximately 98,000 psi, making it the only listed electrode capable of matching high-strength structural steel requirements.

  6. Which statement correctly describes proper storage requirements for bare solid GMAW (MIG) wire?

    Answer: Wire must be stored in a clean, dry environment to prevent surface oxidation and rust

    Although GMAW wire does not require oven storage, surface rust and oxidation increase contact tip wear, cause erratic wire feeding, and can introduce porosity into the weld deposit.

  7. SMAW electrode E6011 can be used with which type of welding current, and how does this differ from E6010?

    Answer: AC or DCEP — unlike E6010, which requires DCEP only

    E6011 uses a high cellulose potassium coating that stabilizes the arc on AC power supplies as well as DCEP, while E6010 (high cellulose sodium) can only run on DCEP.