Comparison,ERW,Steel,Pipe,and, business, insurance Comparison of ERW Steel Pipe and LSAW Steel Pipe
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"ERW steel pipe" is a high-frequency straight seam resistance welded pipe. The English abbreviation for Electric Resistance Welding is abbreviated as ERW. It is used to transport vapor and liquid objects such as oil and natural gas. Occupy a pivotal position.1. Welded pipe refers to the ordinary "submerged arc welded steel pipe", which is represented by "SC" in electrical engineering. It can be used as a water gas pipe or a threaded pipe, which is relatively thick.2. The line pipe is also a wire tube, which is relatively thin. It is indicated by "T" and can only be used as a pipe.3. The ERW pipe is a "high-frequency resistance welded steel pipe", which is different from the ordinary welded pipe welding process. The welding seam is made by melting the base metal of the steel strip body, and the mechanical strength is better than that of the ordinary welded pipe."LSAW steel pipe" is a straight seam submerged arc welded steel pipe. Its main process features are:1. In the process of steel pipe forming, the steel plate is uniformly deformed, the residual stress is small, and the surface is not scratched. The processed steel pipe has greater flexibility in the size and size of steel pipes with diameters and wall thicknesses, especially in the production of high-steel-grade thick-walled steel pipes, especially large-caliber thick-walled pipes. Users have more requirements in terms of steel pipe specifications;2.Adopting the pre-welding and internal-external welding (fine welding) process, welding can be achieved at the optimal position, which is not prone to defects such as misalignment, welding deviation, and incomplete penetration, and it is easy to control the welding quality;3. The overall mechanical diameter expansion can effectively improve the dimensional accuracy of the steel pipe and improve the stress distribution in the steel pipe, thereby avoiding damage due to stress corrosion, and at the same time conducive to welding construction on site;4. Carry out 9 100% quality inspections on steel pipes, so that the entire process of steel pipe production is under effective detection and monitoring, effectively ensuring product quality;5. All the equipment of the whole production line has the function of networking with computer data acquisition system, realizing the real-time transmission of data, and the production is controlled by the central control room."High-frequency straight seam welded pipe" straight seam steel pipe is a steel pipe with a weld parallel to the longitudinal direction of the steel pipe. Usually divided into metric electric welding steel pipe, electric welding thin wall pipe, transformer cooling oil pipe and so on. The production process of straight seam welded pipe is simple, the production efficiency is high, the cost is low, and the development is fast.
Comparison,ERW,Steel,Pipe,and,