Why is preheating done before welding, and why do professional welders never skip this step? Visit weldfabworld.com Preheating is one of the most important yet misunderstood practices in welding. Many beginners think welding is just about selecting the right electrode and current, but in reality, temperature control plays a major role in weld quality. When welding thick sections, high-carbon steel, alloy steel, or restrained joints, preheating becomes absolutely necessary. 🔥 What Happens Withou
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17 reactions | If you leave a big crater at the end of your aluminum welds it leads to Cold Cracking that will spread. To fix it you want to make sure you change your work angle and sit to make sure it fills up. If you are having issues with welding aluminum with a spool gun check out @whiteriverrambo breaking down common issues over on YouTube. https://youtu.be/CMPB0vQG1_w | Weld.com | Facebook
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