Clearly, the production of finished pipes for cold extrusion method and provide mother pipe material, is currently abroad thermal processing magnetic stainless steel production widely used as a magnetic stainless more economical approach.
magnetic stainless steel with high-speed, automated, large-tonnage extrusion machine uses, as well as glass lubricants, non-oxidizing heating, high strength and toughness for the development of molds and other heat-related technologies, with the production of stainless steel seamless hot extrusion method in particular the production of hard deformed steel pipes, high alloy steel pipe has been rapid development. Magnetic stainless steel sheets a single two-roll rotary piercing mother pipe material for cold provide a method has basically not adopted abroad.
magnetic stainless steel tend to be mainly using cold, cold drawn, supplemented by the joint production process, cold rolling machine, drawing machine to high-speed, high-precision, Stainless Steel Sheets long-range line, multi-line direction of 50 to 80% stainless steel tube through cold a finished product. Therefore, the development of cold process equipment given more attention.
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