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Spiral steel pipe vs seam steel pipe

Views: 0     Author: Site Editor     Publish Time: 2021-04-14      Origin: Site

Straight seam steel pipes and spiral steel pipes are both a kind of welded steel pipes. They are widely used in national production and construction. Straight seam steel pipes and spiral steel pipes have many differences due to different production processes. The following details will discuss the next straight seam steel pipes and spiral steel pipes. The difference. The production process of longitudinally welded pipe is relatively simple. The main production processes are high-frequency welded longitudinally welded pipe and submerged arc welded longitudinally welded pipe. The longitudinally welded pipe has high production efficiency, low cost, and rapid development. The strength of spiral welded pipe is generally higher than that of straight seam welded pipe.large diameter spiral steel pipe- GKSTEELPIPE

 The main production process is submerged arc welding. Spiral steel pipe can produce welded pipes with different pipe diameters from the same width of blanks, and can also use narrower blanks to produce welded pipes with larger pipe diameters. But compared with the straight seam pipe of the same length, the length of the weld is increased by 30-100%, and the production speed is lower. Therefore, most of the smaller diameter welded pipes adopt straight seam welding, and the large diameter welded pipes mostly adopt spiral welding. T-welding technology is used when producing larger-diameter straight seam steel pipes in the industry, that is, short sections of straight seam steel pipes are butt-joined to a length that meets the needs of the project. The probability of defects in T-welded straight seam steel pipes is also greatly increased, and T-welding The welding residual stress at the seam is relatively large, and the weld metal is often in a three-dimensional stress state, which increases the possibility of cracks.

Spiral steel pipes can be used in a wide range of applications. They are mainly used in agriculture, chemical industry, construction, water conservancy engineering, and petrochemical industry. It can be said to be used in all industries. Spiral steel pipes can be used for liquid transportation, gas transportation, building structures, etc. Our domestic demand is also very large, but in the past one or two years, steel has been affected by the economic crisis, and the steel industry is very depressed. In fact, spiral steel pipes in the 1990s of the 20th century in our country were low in cost. It has been widely promoted and applied, and its development is very rapid. The demand in China is very large. At this time, China should have the ability to develop spiral steel pipes. Our spiral steel pipe manufacturing plants are also very large. Among the metal pipes used, this spiral steel pipe is one of the good pipe materials. The spiral steel pipe has experienced a very glorious period, but due to the impact of the financial crisis, the current state of our spiral steel pipe is not particularly good, but in order to restore the spiral The original glorious history of steel pipes, many spiral steel pipe manufacturing companies are making unremitting efforts. On the basis of the original, they are working hard to study this better new spiral steel pipe. The purpose is to make spiral steel pipes for our motherland and us. People create greater profits, and its development prospects will be very good. Because spiral steel pipe is a very environmentally friendly pipe, it is very competitive among the pipes used. I believe that spiral steel pipe will return to its original glory in the near future. , And will create new miracles.

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