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Our factory mainly produces: all kinds of flat washers,Drop in anchor ,and spring washers, anchor bolt , hex nut, hex bolt, sleeve anchor, and thread rod with DIN, BSW,
ANIS,MS.And we also provide the OEM, Meanwhile, we are manufacturing factory, so we can give you the best quality and the good price.
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Hot-dip-galvanized-Flat-washer M10 - M30 Metal Washers DIN7989 /DIN125 Standard With Hot Dip Galvanized Finish
Hot-dip-galvanized-Flat-washer M10 - M30 Metal Washers DIN7989 /DIN125 Standard With Hot Dip Galvanized Finish
Hot-dip-galvanized-Flat-washer M10 - M30 Metal Washers DIN7989 /DIN125 Standard With Hot Dip Galvanized Finish
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
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HEBEI YUETONG FASTENERS MANUFACTURING CO.,LTD
Contact Person: Aimee
Email:aimee@ytfasteners.com
Wechat/WhatsApp/Skype: +86 15832018600