A large number of bends are used in metal pipes. There are many forming methods such as China Forming Pipe Machine for elbows, such as groove wheel rolling method, induction heating bending method, mold bending method, step forming method, and numerical control bending method. There are also many materials for elbows, including ferrous and non-ferrous metals, including carbon steel, alloy steel, stainless steel, copper, aluminum, titanium, zirconium, nickel and their alloys. Different materials, specifications, and batches of bends can be made by different molding methods depending on their processability, price, and processing cost. Various molding methods of metal elbows and their forming principles have their own advantages and disadvantages. Reasonable selection of the bending tube forming method can improve product quality, reduce costs, improve production efficiency, and create better social and economic benefits.
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