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Standard for Seamless Steel Pipe
Oct 28, 2016

Seamless steel pipe is a kind of hollow cross-section, there is no seam around the long steel. Seamless steel pipe with a hollow cross-section, can be used for conveying fluid pipes, such as the transportation of oil, natural gas, gas, water and some solid materials such as pipes. Seamless steel and round steel and other solid steel, the same bending strength in the bending, the lighter weight, is an economic section of steel, is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, car drive shaft , Bicycle frames and steel scaffolds used in construction. The use of seamless steel pipe manufacturing ring parts, can improve material utilization, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, Jacket sets, widely used to manufacture steel pipe. Steel or a variety of conventional weapons indispensable material, barrel, barrel and so on to steel pipe to manufacture. According to the different cross-sectional shape of the pipe can be divided into tube and shaped tube. Because the circle area is the largest under circum- stances of equal length, more fluid can be delivered with a circular tube. In addition, the circular cross-section to withstand internal or external radial pressure, the force is more uniform, therefore, the vast majority of steel pipe is a tube. However, the tube also has some limitations, such as bending in the plane by the conditions, the tube is not as square, rectangular tube bending strength, a number of farm machinery with skeleton, Gangmu furniture on the commonly used square, rectangular tube. According to different uses need to have other cross-sectional shape of the special-shaped steel pipe.