2023-12-12 The valve plays an important role in cutting off and throttling the medium in the pipeline where it is located. As an extremely important cut-off valve, the shut-off valve is sealed by applying torque to the valve stem, and the valve stem moves in the axial direction. The valve flap exerts pressure
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2023-12-11 Introduction of commonly used steel pipes-spiral seam submerged arc welded steel pipe The strip steel is bent into a spiral shape, and the inner and outer seams are welded by automatic submerged arc welding to make spiral seam steel pipe. It can be widely used in the production of large diameter ste
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2023-12-11 Seamless pipes (SMLS) and welded pipes are two common types of steel pipes. They differ significantly in terms of manufacturing processes, performance characteristics, and applicable fields. The following are the main differences between seamless and welded pipes:
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2023-12-08 In daily life, many people have seen galvanized steel pipes. So are galvanized steel pipes seamless steel pipes? Many people have questions about this issue, and the editor is here to answer it in detail.In daily life, many people have seen galvanized steel pipes. So are galvanized steel pipes seamless
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2023-12-08 1. The cost of infrastructure is low. Compared with railway transportation, the cost of infrastructure can be saved by three points, and the transportation volume is twice that of the railway.2. Simple construction, fast construction speed, generally laid underground, reliable and adaptable to vario
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2023-12-07 Seamless pipes are widely used in our daily lives. One of the very important application areas is as an energy channel for us to transmit energy, including oil, natural gas, etc. It can be laid not only on land, but also on the seabed, which brings great convenience to the flow of energy in different regions.
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2023-12-07 Seamless steel pipe external folding is divided into two types: steel external folding and operation external folding.(1) Steel outer foldingThere are two main types of steel outer folds: the first is irregular sheet-like folds on the outer surface of the steel pipe, and the outer edges of the folds
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2023-12-06 1. Thermomechanical treatmentHigh-temperature thermomechanical treatment can increase the yield ratio and elastic limits to spiral steel pipes. Improve the comprehensive mechanical properties, fatigue properties, and stress relaxation properties of spiral steel pipes. Reducing the ductile-brittle tr
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