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HEBEI YUETONG FASTENERS MANUFACTURING CO.,LTD

M10 - M30 Metal Flat Washers DIN7989 Standard With Hot Dip Galvanized Finish

    • M10 - M30 Metal Flat Washers DIN7989 Standard With Hot Dip Galvanized Finish
    • M10 - M30 Metal Flat Washers DIN7989 Standard With Hot Dip Galvanized Finish
  • M10 - M30 Metal Flat Washers DIN7989 Standard With Hot Dip Galvanized Finish

    Product Details:

    Place of Origin: Handan City,Hebei Province, China (Mainland)
    Brand Name: QIANBANG
    Model Number: M10-M30

    Payment & Shipping Terms:

    Minimum Order Quantity: 1/2Ton
    Price: bargaining
    Packaging Details: The bags or box on the pallets
    Delivery Time: 7-15days
    Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability: 10ton/day
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    Detailed Product Description
    Material: Iron Standard: DIN7989
    Finished: Hot Dip Galvanized Model Number: Standard
    Brand Name: QIANBANG SIZE: M10-M30

    Metal Flat Washers Carbon Stell Hot Dip galvanized With DIN7989

     

    Galvanizing  also known as hot dip zinc and hot dip galvanized: is an effective way of metal corrosion, mainly used in various sectors of the metal structure facilities. Is the rust after the steel immersed in about 500 ℃ melting zinc solution, so that the steel surface attached to the zinc layer, which play the purpose of corrosion. Usually, the thickness of the galvanized layer is 5 to 15 m, and the hot-dip galvanizing layer is generally 35 m or more, even up to 200 m. Hot galvanized coverage is good, the coating is dense, no organic inclusions. It is well known that the mechanism of anti-atmospheric corrosion of zinc has mechanical protection and electrochemical protection. Under the atmospheric corrosion conditions, ZnO, Zn (OH) 2 and basic zinc carbonate protective film on the surface of zinc layer can reduce the corrosion of zinc to a certain extent. Layer protective film (also known as white rust) is damaged and will form a new film. When the zinc layer is seriously damaged, threatening the iron matrix, zinc on the substrate to produce electrochemical protection, the standard potential of zinc -0.76V, iron standard potential -0.44V, zinc and iron to form a micro-battery zinc as the anode is dissolved, iron As the cathode is protected. It is clear that the hot-dip galvanizing is superior to galvanized to the atmospheric corrosion resistance of the matrix metal iron.
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    Specification

                                             DIN7989 Flat Washers
     
    SIZE inside diameter  Outside diameter thickness Thousands of heavy
    10 11-11.7 18.7-20 8-12 13.8
    12 13.5-14.2 22.7-24 8-12 19.4
    16 17.5-18.2 28.7-30 8-12 29.3
    20 22-22.84 35.4-37 8-12 43.7
    24 26-26.84 42.4-44 8-12 62.1
    27 30-30.84 48.4-50 8-12 78.9
    30 33-34 54.1-56 8-12 101
     

     

     
    M10 - M30 Metal Flat Washers DIN7989 Standard With Hot Dip Galvanized Finish
     

    Contact Details
    HEBEI YUETONG FASTENERS MANUFACTURING CO.,LTD

    Contact Person: Aimee

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