Welding Certification exams are numbered by placement and joint type. For occasion a 1 G implies a flat posture groove weld. The 1 indicates flat position, and the G suggests a groove weld.
I observed a online video the other day that marketed a cell welding lab that was utilized to practice and certify welders.
A few students as perfectly as the teacher ended up interviewed and described the 8 weeks of welding training that led up to welding certification exams in the 1G placement.
That’s right, 8 weeks of welding schooling for every procedure to be in a position to certify in a 1 G weld check.
I really don’t get it. After 8 weeks of education in a welding course of action, why cannot the welder go some other positions like 3G and 4G welding checks?
Did you know that a 3G plate check merged with a 4G plate test certifies a welder in ALL positions?
Which is all positions. Like 1G , 2G, 3G, and 4G. as effectively as every place of fillet welds imaginable as well.
A 1G welding take a look at certifies a welder to weld in how many positions? Just one ! which is it …just a single.
You get a lot additional bang for your buck by training welders to certify in each the 3G and 4G positions.
A further concern is that 1G welding checks usually never have pretty fantastic go rates.
You know why?
Gravity. That’s appropriate., gravity is doing work against you and not for you. Gravity lets the slag stream in advance of the arc on a 1G welding exam and if you are not very careful, it can trigger cold lap and slag inclusions.
Gravity is effective For you and not versus you on a 3G vertical plate welding examination.
Gravity keeps the flux powering the arc. The arc is then authorized to do its matter and penetrate into the foundation steel. As extended as you maintain enough amperage and a restricted arc, factors will go properly on a 3G vertical plate examination.
The AWS (American Welding Modern society) classifies the 1G placement welding exam as the best.
I disagree with that when it arrives to beveled groove welds.
I believe that 2G horizontal and 3G vertical welding certification tests have improved pass rates when it comes to a bend check or x ray tests.