Welder Red Seal · Question
Which of the following electrode types must be stored in a heated rod oven after the hermetically sealed container is opened?
E7018 is a low-hydrogen electrode. Its coating is hygroscopic (absorbs moisture from the air). To prevent hydrogen from being introduced into the weld, these el
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Question: Which of the following electrode types must be stored in a heated rod oven after the hermetically sealed container is opened?
Answer options:
- E6010
- E6013 ✅ E7018
- E7024
Correct answer: E7018
Explanation: E7018 is a low-hydrogen electrode. Its coating is hygroscopic (absorbs moisture from the air). To prevent hydrogen from being introduced into the weld, these electrodes must be kept dry by storing them in a heated oven at a manufacturer-specified temperature.
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