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  • Galvanized wire is coated with a layer of stable zinc on the outside of the wire, and the zinc layer is used to protect the wire and make the service life of the wire longer. In the production of galvanized wire, the wire should be pickled. Pickling is to use some acid mist or acid liquid to wash away some oxides on the surface of iron, that is, rust, and some other corrosion, to achieve the purpose of cleaning iron, so that zinc will fall off when galvanized.

    square head iron nails

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    square head iron nails square head iron nails

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  • square head iron nails

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    square head iron nails square head iron nails

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  • square head iron nails

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    square head iron nails square head iron nails

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  • square head iron nails

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    square head iron nails square head iron nails

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  • Thorn rope factory can not only have one type of product when processing thorn rope, a variety of models can meet the protection needs of different customers.

    square head iron nails

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    square head iron nails square head iron nails

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  • The coating of electrode plays a very important role in the welding process. If adopting the light of the coated electrode welding, is in the process of welding, oxygen and nitrogen in the air can invade the molten metal, the metal iron and beneficial elements carbon, silicon, manganese oxide and nitride oxide and nitride formation, and remain in the weld, weld slag or crack. And melt into the molten pool in the gas can make the weld produces a large number of pores, these factors can make the mechanical properties of the weld is greatly reduced, at the same time to make the weld brittle.

    square head iron nails

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    square head iron nails square head iron nails

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