When welding stainless steel pipe fittings, special attention should be paid to heating corrosion and welding time control. The arc time should be minimized and cooled quickly. Stainless steel hardens quickly after welding and is prone to cracking. It usually needs to be preheated and slowly cooled, or a suitable welding rod should be used. To improve corrosion resistance, stabilizing elements such as Ti, Nb, and Mo are often added. Stainless steel pipe fittings are widely used in chemical, petroleum, medical and other industries, and have good corrosion resistance and heat resistance. When welding, the welding rod should be kept dry and free of contamination to ensure the quality of the weld and prevent performance degradation.
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