51 seamless steel pipe network detailed introduction of precision steel pipe knowledge


51 Seamless steel pipe network Details of precision steel pipe knowledge Precision steel pipe is a kind of high-precision steel pipe material after cold drawing or hot rolling. Due to the advantages of the inner and outer walls of the precision steel pipe with no oxide layer, high pressure, no leakage, high precision, high smoothness, no deformation due to cold bending, no flaring, no flat cracks, etc., they are mainly used to produce pneumatic or hydraulic components such as cylinders. The cylinder can be seamless or welded.
The main production steel grades: 10,20,35,45 and other precision steel pipe chemical composition of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr.
National standard of precision steel pipe; GB/T3639-2008, in addition there may also be applied GB/T8162-2008 structural precision steel pipe.
Precision steel pipe European standard: DIN2391
Precise steel tubes are widely used in automobiles, motorcycles, electric vehicles, petrochemicals, electric power, ships, aerospace, bearings, pneumatic components, and low-pressure boilers and other seamless steel tubes. They can also be applied to steel sleeves, bearings, hydraulics, machining, etc. field!
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