How Wonderful Seamless Steel Pipe is!

The time of issue:2014-1-26 9:37:22       Author:

Seamless steel pipe is a kind of black steel pipe shaping round, square and rectangle around with hollow cross-sections, which has no seam. Differed from the welded steel pipe, the seamless steel pipe has two different technological processing: cold-drawing and hot rolling. Thanks to its technological processing, seamless steel pipe has various properties which lead to its multifunction.

Due to the hollow cross-sections of seamless steel pipe, seamless steel pipe is widely used to deliver liquid and some of solid while the welded steel pipe is not. And this kind of seamless steel pipe is always formed through carbon structural steel, low-alloy structural steel and alloy structural steel, which have the largest output. What's more, compared with solid steel, such as round bar steel, at the same level of anti-bending strength and anti-torque strength, seamless steel pipe is lighter and more economical, which is a kind of economical sectional steel and taken advantage of in making machine parts and structural members, for instance, oil drill pipe, truck drive shaft and so on. Furthermore, using seamless steel pipe to produce ring part can increase material utilization, simply making progress and save material. Antifriction bearing ferrule and jack set is produced from seamless steel pipe. Last but not least, seamless steel pipe is also the most important material in production of conventional weapon.

According to cross sectional area, seamless steel pipe which contrasts the welded steel pipe is roughly separated into two types: circular tube and special section tube. As we know, if the perimeter is the same, circle has the biggest area. That's why circular tube can convey a larger quantity of liquid. Moreover, circular section can bear stress evenly, either inside of seamless steel pipe or outside of seamless steel pipe bearing stress. As a result, most seamless steel pipe is circular tube. However, circular tube also has definite limitations. When force plane has already bent, circular tube has lower anti-bending strength than quadrate tube and rectangular tube. That's why quadrate and rectangular tube are widely used in agricultural implements and furniture.

The most important benefits of seamless steel pipe are perfect combination property, wonderful low temperature performance, strong stamping property, good welding property and marvelous cutting performance. As a result, compare with welded steel pipe, which has a welded line, seamless steel pipe are taken advantage of in the working environment in high temperature and high pressure and plays an important role in construction of society. How wonderful seamless steel pipe is!

Generally speaking, seamless steel pipe has quantities of benefits because of its special structure and processing progress which are unlike the API steel pipe.  And benefits of seamless steel pipe leads to it being widely used in delivery of liquid and solid, making machine parts and structural members, production of conventional weapon and especially some working environment in high pressure and high temperature. Compared with welded steel pipe, seamless steel pipe plays more important role in construction of society and development of industrial. However, with rapid development of technology, seamless steel pipe will conquer its disadvantages and become better and better.

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