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  • Welding knowledge of oil and gas pipelines

    Date:2024-01-18      View(s):233      Tag:oil anda gas, steel pipeline, welding steel pipeline

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  • The difference between steel elbow and steel bending pipe

    Date:2024-01-17      View(s):240      Tag:steel bending pipe, steel elbow, steel pipe fitting

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  • Details of galvanized seamless steel pipe length dimensions

    Date:2024-01-15      View(s):208      Tag:seamless steel pipe, galvanized steel pipe, steel pipe length

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  • How to preserve stainless steel pipes

    Date:2024-01-11      View(s):373      Tag:stainless steel pipe, preserve stainless steel pipe, stainless steel pipe manufacturer

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  • How to prevent precision stainless steel pipe fittings from rusting

    Date:2024-01-09      View(s):305      Tag:stainless steel pipe fittings, steel pipe fitting, rust steel pipe fitting

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  • Technical progress of straight seam steel pipe rolling

    Date:2024-01-05      View(s):306      Tag:straight seam steel pipe, welded steel pipe rolling, welded steel pipe

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  • Briefly introduce the practical advantages and diameter expansion technology of straight seam steel

    Date:2024-01-03      View(s):275      Tag:straight seam steel pipe, welded steel pipe, straight seam steel pipe manufacturing

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  • Reasons for eccentricity (uneven thickness) of seamless steel pipes

    Date:2023-12-29      View(s):240      Tag:seamless steel pipe, seamless steel pipe thickness, seamless steel pipe eccentricity

    The finished products of seamless steel pipes and precision steel pipes will have the problem of uneven eccentric thickness, but how does it happen? Many people don't understand. Today, we will talk about how the eccentricity of seamless steel pipes such as cold-drawn steel pipes, cold-rolled steel pipes, and hot-rolled steel pipes occurs. Why are the concentricities of seamless steel pipes not so...

  • Advantages of 3pe anti-corrosion steel pipe anti-corrosion

    Date:2023-12-28      View(s):277      Tag:3PE steel pipe, anti-corrosion steel pipe, 3PE anti-corrosion steel pipe

    1. 3PE anti-corrosion steel pipe has high sealing performance. Long-term operations can greatly save energy, reduce costs, and protect the environment. 2. It has strong corrosion resistance, a simple and fast structure, and a service life of 30-50 years. 3. At low temperatures, PE has good corrosion resistance impact resistance, and low water absorption. 4. It has high epoxy strength, low...

  • How to improve the quality of spiral steel pipe

    Date:2023-12-27      View(s):276      Tag:spiral steel pipe, spiral steel pipe quality, welded steel pipe

    Spiral steel pipes protect the important materials in media transportation. Spiral steel pipes are the outer wall anti-corrosion of steel oil, gas, water, and heating pipelines. To what extent can the durability of spiral steel pipes be improved? The durability of spiral steel pipes has become an important signal for urban development! ​ Surface treatment of spiral steel pipe is conducive to i...

  • How to deal with sealing methods of flange leakage

    Date:2023-12-26      View(s):201      Tag:flange, sealing flange, flange leakage

    First, the leakage location and condition. The flange bolts connecting both sides of the DN150 valve body are leaking. Since the flange connection gap is extremely small, it is impossible to inject sealant through the gap to eliminate the leakage. The leakage medium is steam, the leakage system temperature is 400~500℃, and the system pressure is 4MPA. Second, the sealing construction method is ...

  • The production process of spiral welded steel pipe

    Date:2023-12-22      View(s):213      Tag:spiral welded steel pipe, welded steel pipe, spiral steel pipe

    Spiral welded steel pipe is also a type of welded pipe equipment. Its strength is generally higher than that of straight seam welded steel pipe. It can use narrower billets to produce welded steel pipes with larger diameters. It can also use billets of the same width to produce welded steel pipes with different diameters. Steel Pipe. However, compared with straight seam steel pipes of the same len...

  • Construction preparation before welding of large-diameter steel pipes and introduction to inner wall

    Date:2023-12-21      View(s):217      Tag:large diameter steel pipe, welding large diameter steel pipe, construction large diameter steel pipe

    Construction preparation before large-diameter steel pipe welding: 1. Organize relevant operators, familiarize themselves with construction drawings and procedures, formulate welding procedures, and compile welding operation instructions. 2. Welders should be trained in corresponding projects and have operating qualification certificates for corresponding projects. 3. Check whether the roundnes...

  • Under what circumstances should argon arc welding be used for stainless steel pipe fittings, and und

    Date:2023-12-20      View(s):241      Tag:stainless steel pipe fitting, steel pipe fitting, stainless steeel pipe fitting welding

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  • The principle of anti-corrosion steel pipe

    Date:2023-12-19      View(s):243      Tag:anti corrosion steel pipe, industrial steel pipe, principle anti corrosion steel pipe

    Coating anti-corrosion is a uniform and dense coating formed on the surface of rust-removed metal pipes. The coating can isolate it from various corrosive media. Steel pipe anti-corrosion coatings increasingly use composite materials or composite structures. These materials and structures must have good dielectric properties, physical properties, stable chemical properties, and a wide temperature ...

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