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High End Welded Steel Pipe

05-16-2017 10:42 AM CET | Industry, Real Estate & Construction

Press release from: Hunan Great Steel Pipe Co.,Ltd

Besides carbonizing of welded steel pipe in the near boundary area, austenitic steel pipe also favors the creation of steel welding technology at high temperatures. Thus the plate and welded steel pipe can be heated so that the liquid cast steel can be poured into the pipe mould. For the pouring temperatures of cast welded steel pipe, the contact temperature may be over one thousand degrees on the border of liquid metal. It can be fixed on the basis of dependence and permanent joints can be made between plates of alloy steel and welded steel pipe. Carbon cast welded steel pipe in layered casting can be produced in large scale at assumed module of solidification.
The process demands simultaneously two conditions including the suitable pouring temperature and the minimal differences in terms of steel welding technology. Liquid cast steel can be poured into the welded steel pipe mould and a thick plate of austenitic alloy steel can be processes due to carbon concentration between the joined materials. The conditions will not result in defective casting of welded steel pipe, which has no application characteristics. In consequence of this, high end welded steel pipe is created in this zone microstructure with small amount that is considerably smaller than in the rest of bearing part of pipe casting. Additionally, the near boundary area of welded steel pipe is carbonizing by cast steel thanks to the effect of bubble size and the bubble sorting mechanism. Time sequences can document the different behavior of welded steel pipe even though small bubbles are trapped no matter what steel welding technology is used. In some cases, steel pipe producers need to maintain a distance from the vortex core and rotate around since bigger bubbles tend to get trapped directly at the core.
As a consequence, it is possible to selectively sort bubbles depending on the welded steel pipe size. By changing the pressure at one outlet, it is also possible to move bigger bubbles toward a certain direction on the steel pipe with the help of steel welding technology. This is largely because the bigger bubbles are more sensitive to a change in pressure than the smaller bubbles. Welded steel pipe is also widely used in the oil and gas industry and we know that methane is the primary component of natural gas. In the national inventories, welded steel pipe emissions have been largely attributed to natural gas production activities. These published estimates of welded steel pipe are primarily based on engineering estimates of the piping industry. During the past two decades, however, welded steel pipe production processes have changed significantly, so the emission factors may not reflect current practices so much.

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
Postcode:410116                     
Tel:0086-731-88678502             
Fax:0086-731-88678508
E-mail: info@great-pipe.com
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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