Electrode classification, amperage, polarity, arc length and common defects.
39 cards · basic cards · AI-written, checked twice. Edit anything.
- What does SMAW stand for?
Show answer
Shielded Metal Arc Welding- Describe the AWS electrode classification format
Show answer
EXXX-Y, where E denotes electrode, first two digits indicate tensile strength, third digit shows position capability, fourth digit shows polarity and current type- What are the main characteristics of E6010 electrodes?
Show answer
High penetration, fast freeze, usable with AC or DC electrode negative, suitable for flat and vertical up positions- What is the main advantage of E6012 over E6010?
Show answer
Better slag removal and easier to use, with medium penetration characteristics- What type of work is E6013 best suited for?
Show answer
Light gauge mild steel, sheet metal, and general purpose work where good appearance is desired- What are E7014 electrodes primarily used for?
Show answer
High speed welding of mild to medium carbon steel in flat and horizontal positions- What is the primary purpose of E7016 electrodes?
Show answer
Low hydrogen coating for thick steel plates and applications requiring crack resistance- What are E7018 electrodes primarily used for?
Show answer
Thick sections and critical applications where low hydrogen coating prevents cracking, suitable for all positions- What amperage range is typical for 1/8 inch E8018 electrodes?
Show answer
90 to 150 amps- What is the typical amperage range for 3/32 inch E6010 electrodes?
Show answer
75 to 125 amps- What amperage range is recommended for 5/32 inch E7018 electrodes?
Show answer
150 to 220 amps- How does electrode diameter affect the required amperage?
Show answer
Larger diameter electrodes require higher amperage for proper melting and weld metal deposition- How does AC polarity work in SMAW?
Show answer
The current alternates direction rapidly, suitable for many electrode types and helpful for managing magnetic arc blow- What polarity or polarities can be used with E6010 electrodes?
Show answer
AC or DC electrode negative (DCEN)- What polarity is recommended for E7018 electrodes?
Show answer
AC or DC electrode positive (DCEP) is preferred
FlashKeepers