How to identify people often think that the magnet alloy steel pipe steel pipe adsorption, and verify the authenticity of their advantages and disadvantages, do not smoke, non-magnetic steel tubes 210a1, considered a good, genuine; suck those magnetic, is considered to be counterfeit fakes. In fact, this is an extremely one-sided, no practical method to identify errors. Many types of steel pipe, according to the organizational structure at room temperature can be divided into several categories: Normally used as a decorative tube plate is austenitic steel pipe majority of 304, in general, is a non-magnetic or weakly magnetic, but the smelting fluctuations caused by the chemical composition or the processing status of the different magnetic properties may also occur, but it can not be considered counterfeit or substandard, which is what causes it? In addition, 304 steel pipe after cold working, organizational structure will be transformed to martensite, the greater the degree of cold deformation martensite transformation, the more the greater the magnetic steel. Like steel batch numbers, production Φ76 tube, no significant magnetic induction, production Φ9.5 tube. Ling bending deformation due to the larger number of magnetic induction is obvious, because the production of rectangular tube pipe deformation than large, especially knuckle part, more intense magnetic distortion is more evident. This tells us that if the steel pipe with a weak magnetic or non-magnetic entirely, should determine for 304 or 316; if the magnetic steel of the same, showing a ferromagnetic, the judgment is not 304. Liaocheng in Shandong Steel Pipe Manufacturing Co., Ltd. Polygram in the middle of the Nen River Road, Liaocheng (national) economic development zone in Shandong Province. Founded in 1998, with a total investment of 200 million yuan, covers an area of ??160,000 square meters. Annual production and sales and sales agents Cheng Gang, Steel, Bao, saddle, rule of the day, Hengyang Steel and other major steel production plants: 10 # .20 #, 45 #, 16Mn, 27SiMn, Q345B.35CrMo, 20Cr, 40mn2 20crmnti steel tube inside, 40crmo.20crmnTi, 10CrMo910 15crmo 12Cr1MoV 20G, st52, s45c and geology, pipelines, chemical, power and other special pipe, are the implementation of national standards:.. GB8162-87, GB8163-87 and GB3087-82, GB5310- 95, GB6479-86; pipe, high pressure boiler seamless steel pipe, oil cracking pipe, imported alloy steel pipe, alloy seamless steel, bearing steel, special welded pipe, spiral pipe, galvanized pipe, stainless steel and other alloy steel pipe how to identify people Often thought magnet adsorption alloy steel pipe, and verify the authenticity of their advantages and disadvantages, do not smoke, non-magnetic, considered a good, genuine; suck those magnetic, is considered to be counterfeit fakes. In fact, this is an extremely one-sided, no practical method to identify errors. Many types of steel pipe, according to the organizational structure at room temperature can be divided into several categories: Normally used as a decorative tube plate is austenitic steel pipe majority of 304, in general, is no internal magnetic or weakly magnetic steel pipe, But because the chemical composition fluctuations caused by smelting or processing status may appear different magnetic steel tube t2, but this is not considered to be counterfeit or substandard, which is what causes it? In addition, 304 steel pipe after cold working, organizational structure will be transformed to martensite, the greater the degree of cold deformation martensite transformation, the more the greater the magnetic steel. Like steel batch numbers, production Φ76 tube, no significant magnetic induction, production Φ9.5 tube. Ling bending deformation due to the larger number of magnetic induction is obvious, because the production of rectangular tube pipe deformation than large, especially knuckle part, more intense magnetic distortion is more evident. This tells us that if the steel pipe with a weak magnetic or non-magnetic entirely, should determine for 304 or 316; if the magnetic steel of the same, showing a ferromagnetic, the judgment is not 304. Within seamless steel tubes, Polygram steel, rebar tube provided by Polygram Liaocheng Steel Pipe Manufacturing Co., Ltd. Shandong Liaocheng Polygram Pipe Manufacturing Co. (www.lcbljgg.com) (www.lcbljgg.com) (www.sdlcblj.com) (www.bljggzz.com) Shandong Liaocheng, wire, pipe, plate manufacturing equipment leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Polygram steel leader with the staff warmly welcome all inquiries negotiations to create Polygram steel a better future. You can also access (www.lcbljgg.com/supply_details_40658705.html), for more information about the company.