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What is preheating in welding? Why is preheating required? And how should preheating be done correctly? Weldfabworld.com In this video, we explain preheating in simple, practical terms using real workshop examples. You’ll understand how preheating controls hydrogen, reduces cooling rate, prevents cracking, and improves weld life. We cover when preheating is required, how material thickness, carbon equivalent, ambient temperature, and welding process affect preheat, and common mistakes welders ma
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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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