Choosing the right stick electrode controls weld quality, strength and crack resistance. As a rule, rutile electrodes such as 6013 are easy to use for general fabrication and maintenance, while low-hydrogen basic electrodes such as 7018 are preferred for structural steel and critical work. Cellulosic electrodes suit deep-penetration root and pipeline passes. Always select the electrode to match the application and any welding procedure requirements.
This guide compares the MMA electrodes welders most often choose between.
6013 vs 7018 electrodes — which should I use?
6013 electrodes are easy to use and suitable for general fabrication, maintenance and repair work. 7018 electrodes are low-hydrogen consumables designed for structural steel and applications requiring higher strength and toughness.
Choose the electrode according to the application and any welding procedure requirements.
6010 vs 6011 electrodes — what’s the difference?
Both are cellulosic electrodes with deep penetration. 6010 is primarily used with DC power supplies, while 6011 can operate on both AC and DC machines.
6011 is often selected where AC welding equipment is being used.
Rutile vs basic electrodes
Rutile electrodes are easy to strike, produce smooth welds and are suitable for general fabrication. Basic electrodes provide lower hydrogen levels and superior mechanical properties, making them ideal for structural and critical welding applications.
The best choice depends on the application and required weld performance.
Cellulosic vs low-hydrogen electrodes
Cellulosic electrodes provide deep penetration and are commonly used for pipeline and root pass welding. Low-hydrogen electrodes reduce the risk of hydrogen cracking and are preferred for structural steel and thicker materials.
Both have specific applications where they perform best.
AC vs DC MMA welding
AC welding is suitable for many general applications and helps reduce arc blow. DC welding generally offers a smoother arc, easier arc starting and improved control, making it the preferred option for many professional welders.
The choice depends on the welding equipment and electrode type.
Match the electrode to the job — and store it correctly
The right electrode is the difference between an easy, sound weld and recurring defects. For critical and higher-strength work, low-hydrogen basic electrodes such as 7018 also help guard against hydrogen cracking — but only if they are stored correctly to keep them dry.
Browse our MMA electrode range in the welding consumables guide, read more on hydrogen cracking in our weld cracking guide, or contact the Weldability SIF technical team for advice.