AWS marking disclose a influential vastness of material approximately a welding electrode.
The American Welding Native land (AWS) designated markings placed on welding rods and electrodes arrange a cash of cue in a resident room. Reading the markings Testament specify the tensile strength of the finished weld, the mannequin metal type, welding position, electrode coating data and polarity. Specialized welding electrodes Testament keep further news designated by an long narration of AWS markings, whether you encounter a specialized welding rod, the markings are described in Profundity on the welding electrode packaging.
Combine the position designation with the last number to determine the polarity used to weld with the welding electrode. For instance, an E7018 electrode, the 18 states to use AC, DC- or DC+ current to weld with the electrode.
The fraction located closest to the uncoated end of the welding electrode designated the diameter in the coated rod. For instance, 1/8 states the metal rod section of the electrode is 1/8 inch in diameter.
2. Notice the printed markings following the electrode diameter begin with an E, R or ER. E designates an electrode, R designates a rod and ER designates the electrode or rod usage.
3. Read the two numbers, three if the number is five digits in length, following the letter designation to find the tensile strength of a weld welded with the electrode. For instance, an E7018 welding electrode produces a weld with a tensile strength of 70,000 pounds-per-square-inch (psi.)
4. Examine the welding position of the welding electrode, the single number located after the tensile strength designation. In keeping with the example listed in Step 2, the number 1 states that the electrode welds in all positions (flat, horizontal and vertical.)
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