Using a Welding Electrode Oven
June 14, 2023 9:15 amWelding electrodes (particularly 7018 rods) are designed to be stored in a low-humidity environment to prevent them from absorbing moisture from the air, which can cause defects in the weld and reduce the electrode’s effectiveness. While it is not strictly necessary to store 7018 electrodes in a rod oven, it is recommended to maintain their optimal performance.
If 7018 electrodes are exposed to high humidity or moisture, they can become damp and start to stick to the metal during the welding process, leading to a rough or uneven weld bead. This can also cause hydrogen embrittlement, which can weaken the weld and reduce its strength.
A rod oven is a specialized storage container that is designed to keep welding electrodes at a low, controlled temperature and humidity level to prevent moisture absorption. The temperature and humidity settings of the rod oven can be adjusted according to the manufacturer’s recommendations, typically between 250°F and 300°F (120°C and 150°C), and 50% to 80% relative humidity.
If you frequently use 7018 welding electrodes, it may be worth investing in a rod oven to maintain their quality and performance. You can find a full line of electrode ovens online at Josefgas.com.