welding electrode 7018
differences between 7014, 7018 and 7024 Welding electrodes
- 7014 electrodes produce about the same joint penetration as 6012 electrodes and are designed for use on carbon and low-alloy steels. 7014 electrodes contain a higher amount of iron powder, which increases deposition rate. They can also be used at higher amperages than 6012 electrodes.
- 7018 electrodes contain a thick flux with high powder content and are one of the easiest electrodes to use. These electrodes produce a smooth, quiet arc with minimal spatter and medium arc penetration. Many welders use 7018 electrodes to weld thick metals such as structural steel. 7018 electrodes also produce strong welds with high impact properties (even in cold weather) and can be used on carbon steel, high-carbon, low-alloy or high-strength steel base metals.
- 7024 electrodes contain a high amount of iron powder that helps increase deposition rates. Many welders use 7024 electrodes for high-speed horizontal or flat fillet welds. These electrodes perform well on steel plate that is at least 1/4-inch thick. They can also be used on metals that measure over 1/2-inch thick.
differences between 6010, 6011, 6012 and 6013 Welding electrodes
- 6010 electrodes can only be used with direct current (DC) power sources. They deliver deep penetration and have the ability to dig through rust, oil, paint and dirt. Many experienced pipe welders use these all-position electrodes for root welding passes on a pipe. However, 6010 electrodes feature an extremely tight arc, which can make them difficult for novice welders to use.
- 6011 electrodes can also be used for all-position welding using an alternating current (AC) welding power source. Like 6010 electrodes, 6011 electrodes produce a deep, penetrating arc that cuts through corroded or unclean metals. Many welders choose 6011 electrodes for maintenance and repair work when a DC power source is unavailable.
- 6012 electrodes work well in applications that require gap bridging between two joints. Many professional welders also choose 6012 electrodes for high-speed, high-current fillet welds in the horizontal position, but these electrodes tend to produce a shallower penetration profile and dense slag that will require additional post-weld cleaning.
- 6013 electrodes produce a soft arc with minimal spatter, offer moderate penetration and have an easily-removable slag. These electrodes should only be used to weld clean, new sheet metal.
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