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Pre-galvanised Steel Pipe Hot-dipped Galvanized tube

Short Description:

In order to improve the corrosion resistance of steel tubes, most steel tubes are galvanized.Galvanized pipe also known as galvanized steel pipe, hot dip galvanized and electric galvanized two.

  • Length: 3-12m or support customization
  • Thickness: 1.5-25mm or support customization
  • Outer diameter: 10mm or support customization
  • Certificates: API, CE, BSI, ROHS, SNI, SONCAP, JIS, GS, ISO9001
  • Surface treatment: Hot Rolling
  • Processing services: Welding, punching, cutting, bending and uncoiling
  • Application fields: Construction, machinery, coal mine, chemical industry, electric power, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, exploration machinery and other manufacturing industries
  • Product Detail

    Product Tags

    Product Description

    Hot dip galvanizing is to make the molten metal and iron matrix reaction and produce alloy layer, so that the substrate and coating.Hot dip galvanizing begins with pickling of steel pipes.In order to remove the iron oxide on the surface of the steel pipe, after pickling, ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank cleaning, and then into the hot dip plating tank.Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.

    Galvanized pipes are welded steel pipes with a hot-dip galvanized or electro-galvanized layer on the surface. Galvanizing can increase the corrosion resistance of the steel pipe and prolong the service life. Galvanized pipes have a wide range of uses. In addition to line pipes for conveying water, gas, oil and other general low-pressure fluids, they are also used as oil well pipes and oil pipes in the petroleum industry, especially offshore oilfields, as well as oil heaters and condensate for chemical coking equipment. Pipes for coolers, coal-distilled wash oil exchangers, pipe piles for trestle bridges, and pipe for support frames in mine tunnels, etc.

    Mechanical properties, which depend on the chemical composition and heat treatment system of steel, are important indicators to ensure the final service properties (mechanical properties) of steel.In the steel pipe standard, according to different use requirements, stipulate the tensile properties (tensile strength, yield strength or yield point, elongation) and hardness, toughness index, as well as user requirements of high and low temperature performance.Uniformity test, cold bending test, hydrostatic test or eddy current test of zinc coating as required before delivery.

    Product Specification

    Product Name:
    galvanized steel pipe
    Size OD (mm) 16mm-273mm
    Wall Thickness (mm) 1.0mm-10.0mm
    ZINC COATED (g/m2) 200-500
    Standard ASTM A53,AS1163,EN10219,BS1387 and so on
    Section shape Round
    Type ERW Pipe
    Length 5.8M, 6M, 11.8M, 12M or customized length

    Product Packaging

    1. Packing: in bundles/in bulk/in plastic packing.

    2. Trade terms:FOB/CFR/CIF/DDU

    3. Shipping port: Xingang Tianjin

    4. Shipment:

    A Small diameter: Weight >Measurement

    a. Length: ≤5.8m, loaded in 20FT Container, Max 27-28tons

    b. Length: ≤11.8m, loaded in 40 FT Container, Max 27-28tons

    c. Length: ≥12m, shipped by bulk vessel. FILO terms

    B. Big dimater: Weight a. Size of 20 FT Container(inside :5898*2352*2350mm)(12024*2352*2395mm)

    5. Delivery time: Normal size: 7days send from warehouse directly. Special size: 25-30days custom made for you.

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