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  • This method is generally the use of hot rolled laminated plate as raw material, the annealed steel plate is first sent to the pickling workshop, with sulfuric acid or hydrochloric acid to remove the surface of the steel sheet oxygen hot galvanizing method. After pickling, the steel plate immediately enters the tank to soak and wait for galvanized, which can prevent the reoxidation of the steel plate. After pickling, water cleaning, squeeze dry, drying, into the zinc pot, the temperature has been maintained at 445-465℃.

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  • Decorative hook mesh solder joint welding, generally more robust, but assuming that workers are new, scheduling machine skills are not high, will present the situation of opening solder joints. Once this situation appears, it will bring heavy losses to customers and factories.

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  • galvanized

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  • There are many blade specifications, first of all there are three types: spiral type, straight line, spiral cross type. Different units, the strength of the protection of different rope models. The blade barbed wire is mainly made of low carbon steel wire and aluminum magnesium alloy wire by spraying and welding. The blade material of the blade barbed wire is attached to the core wire made of stainless steel wire with professional mechanical strength, so the blade barbed wire has the advantages of good strength and aging resistance.

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  • Post time: 03-01-23

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  • For key and important parts with tensile strength greater than 1034Mpa, the stress should be removed at 200±10℃ for more than 1 hour before plating, and for carburized or surface hardened parts, the stress should be removed at 140±10℃ for more than 5 hours. The cleaning agent used for cleaning shall have no effect on the binding force of the coating and no corrosion on the substrate. Acid activation Acid activation solution should be able to remove corrosion products and oxide film (skin) on the surface of parts without excessive corrosion on the matrix.

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