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  • Features of hot dip plastic steel pipe

    Features of hot dip plastic steel pipe

    1. The superior antistatic performance of hot-dip plastic steel pipe: through the addition of antistatic agents in the formula, the internal and external surface resistance can reach and exceed the relevant national industry standards. 2. Flame retardant performance of hot-dip plastic steel pipe:...
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  • Different types and appearance requirements of straight seam steel pipe

    Different types and appearance requirements of straight seam steel pipe

    The high-frequency welding process of straight seam steel pipe is completed in the high-frequency welded pipe unit. The high-frequency welded pipe unit is usually composed of rolling forming, high-frequency welding, extrusion, cooling, sizing, flying saw cutting, and other components. The front e...
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  • Straight seam steel pipe welding technology attention points and diameter expansion technology

    Straight seam steel pipe welding technology attention points and diameter expansion technology

    The welding current in the swing welding of the straight seam steel pipe is slightly larger than that of the traditional welding method; secondly, the elongation of the tungsten electrode in the swing welding of the straight seam steel pipe is determined according to the wall thickness of the pip...
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  • What are the specification requirements for fire pipeline construction

    What are the specification requirements for fire pipeline construction

    1. General requirements (1) When the pipes of the fire hydrant water supply system adopt hot-dip galvanized steel pipes with inner and outer walls, welding should not be used. When the system pipeline adopts a non-corrosion inner wall, it can be welded, but the welding of the pipeline should meet...
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  • Introduction of de embroidery technology for submerged arc steel pipe

    Introduction of de embroidery technology for submerged arc steel pipe

    In the process of anti-corrosion construction of oil and gas pipelines, the surface treatment of large-diameter submerged arc steel pipes is a key factor in determining the service life of pipeline anticorrosion, and it is the premise of whether the anti-corrosion layer can be firmly combined wit...
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  • Features of oil slotted pipe

    Features of oil slotted pipe

    1. The oil slotted pipe is processed by J55 or N80 oil casing body, which has high strength and is not easy to deform 2. The verticality of the cutting edge is good, the cutting edge is smooth, no burr, and the cutting seam is even. 3. Large flow area, 27/8″ slotted pipe with 300 slots/1.5m...
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