Classification of Welding Methods
Welded steel pipe: for oil drilling and machinery manufacturing industry.
Welded pipe: can be used as water and gas pipes, large diameter straight seam welded pipe for high pressure oil and gas transportation; spiral welded pipe for oil and gas transportation, pipe piles, piers and so on.
According to the weld shape classification, can be divided into straight seam welded pipe and spiral welded pipe.
Spiral welded pipe: the strength is generally higher than the straight seam welded pipe, with a narrow blank to produce larger diameter pipe, pipe can also use the same width of the production of different diameter pipe. However, compared with the same length of the straight pipe, the weld length increased by 30 to 100%, and the production rate is low. Therefore, the smaller diameter of the pipe are mostly used straight seam welding, large diameter welded pipe are mostly used spiral welding.
Hunan Great Steel Pipe Co.,Ltd: http://www.great-pipe.com/
Address: Hunan Steel Industrial Zone,No.9 Xiangfu Road, Yuhua District, Changsha, Hunan, China
welded steel pipe, spiral welded steel pipe: http://www.great-pipe.com/product.html
Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline & Gas Pipeline Science Research Institute, Such as: the use of oil and gas pipelines, pipe welding technology innovation, high-end plumbing materials research and development, as well as special tools technological innovation pipeline construction, pipeline corrosion protection science and technology research, science and technology research pipeline non-destructive testing, pipeline quality assessment, and research pipeline standards and so on. In the future, we will try to use new technology to create new business value and to contribute to research and product development for the pipeline.
Hunan Steel Industrial Zone,No.9 Xiangfu Road, Yuhua District, Changsha, Hunan, China
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