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  • What are the characteristics of galvanized steel pipes

    What are the characteristics of galvanized steel pipes

    1. The anti-embroidery treatment on the surface of the steel pipe is more durable will not oxidize too quickly and will not form white rust on the steel pipe; 2. Comprehensive protection of the steel pipe. After heating, every part of the steel pipe is coated with zinc, and the concave and convex...
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  • How are steel pipes categorized according to production methods and materials?

    How are steel pipes categorized according to production methods and materials?

    As modern industry and automation continue to develop, the demand for high-quality industrial inspection and control is increasing. Steel pipes are a common product in industrial inspections. First, according to the production method The production method categorises pipes into two types: seamles...
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  • Steel pipe surface problems and solutions

    Steel pipe surface problems and solutions

    1. Causes and solutions for fish eyes on the outer surface of steel pipes Possible reasons: The machine head temperature is too high and cooling is insufficient. Troubleshooting method: lower the machine head temperature and increase the cooling water volume 2. Causes and solutions to the rough s...
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  • LSAW Pipe vs SSAW Pipe

    LSAW Pipe vs SSAW Pipe

    1. Advantages of LSAW steel pipe: (1) The tube expansion process used in LSAW steel pipe manufacturing results in residual stress close to zero and eliminates the ‘Bauschinger’ effect. However, in the case of SSAW steel pipe, the manufacturing process results in molding stress and the...
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  • What material is oil casing manufacturing

    What material is oil casing manufacturing

    Oil casing is a large-diameter steel pipe that plays a role in fixing the walls or wellbore of oil and natural gas wells. Usage: Petroleum casing is inserted into the wellbore and fixed with cement to prevent the wellbore from separating rock layers and wellbore collapse, and to ensure the circul...
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  • Multi-wire submerged arc welding technology for LSAW pipes

    Multi-wire submerged arc welding technology for LSAW pipes

    As welding is the main process in the production of straight seam steel pipes, particularly for high-quality oil and gas pipes, it is necessary to ensure high quality while also improving welding efficiency. The length of the weld for straight seam steel pipes is typically quite long, usually aro...
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