Welding Rod Selection
When choosing a welding rod the welder has to consider the type of welding and the material being welded.
Welding rod selection. It s quite critical selection because not only can a single welding rod perform well on all the metals. What welding rod do i use. Smaw or stick electrodes are consumable meaning they become part of the weld while tig electrodes are non consumable as they do not melt and become part of the weld requiring the use of a welding rod. Among all the other types of.
Stick electrodes are available in a wide range of types each of which provides different mechanical properties and operates with a specific type of welding power source. Welding rod electrode selection chart. The mig welding electrode is a continuously fed wire referred to as mig wire. The last digit when read in conjunction with the penultimate digit indicates that it has an iron powder low hydrogen coating so it can be used with ac.
The little confusing thing for the welders is a selection of welding rod and if you are muddled in welding rod selection and couldn t recognize the best welding rod for the specific binding. Hobart electrode and amperage selection chart. Stick welding is a form of welding that uses electricity to melt a metal filler rod electrode stick electrode is the proper term that melts both the metal joint and electrode all at once to fuse two pieces of metal together and fill the joint with filler metal at the same time. A welding rod is used during the welding process to add material into the weld zone.
Every welding rod has a number that is assigned to it based on american welding society aws standards. Toughness electrode selection should be limited to those that meet the specific application requirements. Now that we ve nailed down a surefire way to figure out for example the 7018 welding rod meaning we can take a look at the other types of popular welding rods. Stick welding guide stick welding stick welder stick welding rods stick welding electrodes created date.
3 almost any e70xx electrode can be used. If code specifications or contract documents require notch toughness electrode selection should be. Electrode selection is critical to ease of cleanup weld. An electrode or a welding rod is a wire which is made up of wire and is coated.
The electrode is made up of materials which are similar to that of the metals chosen to be welded. The following is a quick welding rod guide list from e6010 through e11018. Welding rod numbers meaning. First select electrode based on the joint requirements.
By qualitytech july 13 2016.