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盛仕达钢铁股份有限公司

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  • Classification of pipeline trenchless technology

    Classification of pipeline trenchless technology

    Trenchless technology can be divided into three categories: laying new pipelines, repairing and replacing old pipelines, and detecting the original pipeline network. 1.Construction techniques for laying new pipelines: shield method, pipe jacking method, pilot / directional drilling pipe laying me...
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  • Tensions between China and the United States reignite and U.S. oil prices fall

    Tensions between China and the United States reignite and U.S. oil prices fall

    Over the past few weeks, oil prices have continued to rise, but because there is no sign of recovery in the short term, the upward momentum has stalled. At the same time, this week, the tension between China and the United States has put heavy pressure on the financial and commodity markets. Tens...
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  • During the production cut, Saudi Arabia mainly exports oil to China

    During the production cut, Saudi Arabia mainly exports oil to China

    Early observations of Saudi Arabia ’s crude oil exports in May showed that although China has just recovered from the new crown epidemic, the historic production cuts have not contained the momentum of Saudi Arabia ’s massive oil exports to China. Oil depot records and equipment data show that as...
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  • Adaptability of epoxy resin coated steel pipe

    Adaptability of epoxy resin coated steel pipe

    Epoxy resin coated steel pipe coating is a thermosetting plastic, which combines the advantages of steel and plastic, and its scope of application includes: 1. Fire sprinkler system and domestic water supply and drainage; 2. Gas drainage, mud transportation and ventilation system in the coal mine...
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  • The difference between plastic-lined steel pipe and steel-plastic composite pipe

    The difference between plastic-lined steel pipe and steel-plastic composite pipe

    The difference between plastic-lined steel pipe and steel-plastic composite pipe 1. Toxicity The steel-plastic composite pipe is a five-layer composite pipe. The inner layer is non-toxic and non-polluting, but the main material of the inner layer of the plastic-lined steel pipe is epoxy resin pow...
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  • What is plastic-lined composite steel pipe?

    What is plastic-lined composite steel pipe?

    An emerging composite pipe material, referred to as steel-plastic pipe. There are many classifications of steel-plastic composite pipes, which can be classified according to the structure of the pipe: steel belt reinforced steel-plastic composite pipe, seamless steel pipe reinforced steel-plastic...
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  • The difference between galvanized products

    The difference between galvanized products

    1) Both the inner and outer walls of the hot-dip galvanized steel pipe are galvanized, while the cold-galvanized steel pipe is only galvanized on the outer wall. 2) The cold plating layer is uniform and the thickness is very thin; the hot plating layer is thick and the thickness is not uniform. ...
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  • Technical Requirement for Welded Steel Pipe

    Technical Requirement for Welded Steel Pipe

    According to the API/ASTM standards, there are many technical requirements for producing welded steel pipe. The nominal pipe diameter ranges from 6-150mm, nominal wall thickness ranges from 2.0-6.0mm and the length of the pipe is usually from 4 to 10. The pipe surface should be smooth, no collaps...
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  • Groove connection pipe fittings

    Groove connection pipe fittings

    Groove connection pipe fittings include two broad categories of products: ①The fittings that play the role of connection sealing include rigid joints, flexible joints, mechanical tees and grooved flanges; ②Pipe fittings for connection transition include elbows, tees, tees, reducers and blind plat...
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  • Common defects in the welding zone of spiral steel pipes

    Common defects in the welding zone of spiral steel pipes

    Common defects in the welding zone of spiral steel pipes bubble Air bubbles mostly occur in the center of the weld bead, and hydrogen is still hidden in the weld metal in the form of air bubbles. The main reason is that the surface of the welding wire and flux has moisture, which is used directly...
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  • Points to note when cutting rectangular tubes

    Points to note when cutting rectangular tubes

    Points to note when cutting rectangular tubes 1. For the place to be cut, wipe off the oil, debris or mud on the surface of the rectangular tube with a rag or soft cloth. 2. Be sure to select special stainless steel cutting tools. 3. According to the construction drawing and the situation on site...
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  • Features of pipeline NDT

    Features of pipeline NDT

    Features of pipeline NDT The characteristic of non-destructive testing is that it can be tested without damaging the material and structure of the test piece. Therefore, after implementing non-destructive testing, the inspection rate of the product can reach 100%. However, not all items and indic...
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