But more than several welders makes some common mistakes … Welders often have a lot of questions about welding different kinds of pipe, from high-pressure and high-purity pipe for food and beverage industries to pipe for oil and gas applications. That’s a point that we can avoid. Porosity in welds leads to cracks, sometimes visible, sometimes not. The 5 most common beginner welding mistakes are: 1) Not Wearing the Correct Personal Protective Equipment (PPE) 2) Utilizing an Incorrect Welding Process; ... And, you don’t want the lens to be as dark as you would have it for stick welding or MIG welding. Aluminum MIG Welding Common Mistakes. We spent a great deal of time researching 10 of the best welding helmets for the beginner. 10 MIG Welding Mistakes 0 Even after scrupulously monitoring the factors like weld processes, equipment, consumables, and filler materials, it is highly likely that in welding operations, mistakes … In MIG welding, always check the flowmeter setting before starting your first weld, and make sure the gas mixture (argon, CO2, etc.) If the parts and the surface to be welded are not clean, the weld will not be proper and a bad weld will be the result. I like to trace the front of the puddle to make sure the arc does its work and penetrates like it should Downhill mig welding is limited in what it should be used for.. MIG welding vertical up technique require the nozzle point upward 35 to 45 degrees. is the right one for your application. Argon is an inert gas and C02 is an active gas. Welding is an awesome skill. Welding Procedure Beginner Mistake #1: Not controlling the heat and weld puddle resulting in poor weld penetration and poor weld strength. Because MIG brazing is not a fusion process, it often requires a larger surface area on the backside than when plug welding using traditional MIG welding This is because there needs to be room for enough filler metal to give the weld its strength. These could lead to different forms of welding defects. This is the reason that double holes or slot welds are typically required instead of a plug weld. As a guide, We present to you the seven most common welding defects and their preventive measures. Learn more about common mistakes in MIG welding pipe and how to resolve them. This a general mistake made by a beginner. A lot of practice and attention prevent mistakes. GMAW Troubleshooting Video We use cookies to help our website work more effectively and efficiently, and to align our services and advertisements to your needs. The parts that have to be welded have to be very clean. No matter what welding procedure you’re using, whether it’s tig, mig, arc, or oxy acetylene welding, heat control is the thing to keep in mind. If you lose attention; it can result in an accident. Porosity. Mistakes sometimes occurs during a welding process. Overhead MIG welding requires the MIG gun tilted 5 to 35 degrees toward the direction of the weld. Pipe Welding Techniques to Avoid 9 Common Issues. Paint and dirt should not be there when the part is being welded. Porosity usually occurs as a result of weld contamination. A little bit of electrode manipulation goes a long way to help flatten out the puddle. Mig welding seems secure method, but we have to be sure about safety first. Related posts: 8 Useful Tips for Mig Welding. Not all can be able to weld and persistently stick to this career. 9 Helpful Mig Welding Tips for Brand-New Welders from Pros. You want the heat to be on the hot side and once you do it for a while it is as easy as flat! Pipe welding basics. Overhead MIG Welding Techniques. Knowing some of the common mistakes made when MIG welding can help you make your own welds as good as possible. 1. What are the issues? If those mistakes are taken care of, Mig welding will be easy to do. ... MIG welding stands for “Metal Inert Gas Welding” and MAG welding stands for “Metal Active Gas Welding”. Certified welding inspectors often find these little holes in X-rays and ultrasound testing. Some of the frequent mistakes that you do in MIG welding. That means that aluminum welding using pure Argon is MIG welding, as is MIG brazing.