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Stainless steel seamless steel tubes are made by punching stainless steel garden steel rods and then hot rolled, cold rolled or cold drawn. The specifications of the seamless steel pipe are expressed in terms of outer diameter*thickness mm. Stainless steel seamless pipe production equipment; A; cold drawing machine (broking machine). B; cold rolling mill. The advantages of cold drawing are: high production efficiency, convenient replacement of product specifications in production, flexibility, tool equipment and production, and equipment maintenance are relatively simple, and the disadvantage of cold drawing is that the amount of deformation is small. There are many processing passes, long production cycles, large metal consumption, and poor finish on the inner and outer surfaces of finished products. The advantages of cold rolling are: large deformation, good control of dimensional tolerance, and good internal and external finish of the tube, such as mirror polishing after internal and external surfaces of the tube are polished. Baotou Seamless Steel Tube Direct Sales Office Baotou Seamless Steel Tube, American Standard Seamless Steel Tube, Want to understand the price of Baotou Seamless Steel Tube, the price of the American Standard Seamless Steel Tube Contact us Baotou Seamless Steel Tube Factory, Sales Hotline:. The disadvantage is the hard state, which has a large yield coefficient and is not suitable for flaring. General industrial stainless steel seamless tubes are more austenite; 0Cr18Ni9 (304), 00Cr19Ni10 (304L), 0Cr17Ni12Mo2 (316), 00Cr17Ni14Mo2 (316L), 0-1Cr18Ni9-10Ti (321). Its production standards are GB/T14976-1994 "stainless steel seamless pipe for fluid transport", GB/T13296-1991 "boiler, stainless steel seamless pipe for heat exchanger."