3 1 4 galvanized coil nails

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3 1 4 galvanized coil nails

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  • thorn

    3 1 4 galvanized coil nails

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  • 3 1 4 galvanized coil nails

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    3 1 4 galvanized coil nails 3 1 4 galvanized coil nails

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  • Hook net use value is still very high, has a very good sex, and its manufacturing concise generous, beautiful, not in high temperature will fade, you can save a sum of maintenance costs, but also according to the different needs of the site to change the shape, to meet the needs of the site.

    3 1 4 galvanized coil nails

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  • The tensile strength of cold drawn spring steel wire is slightly higher than that of oil tempered steel wire. The large specification of cold drawn steel wire elastic force is too large, winding the spring is very difficult, so the cold drawn spring steel wire application specification is generally less than 8.0mm, oil quenching tempered steel wire application specification is generally less than 13.0mm. In fact, the diameter of 13.0mm spring is used to light tension spring steel wire, cold drawing wound made into shape and then quenched and tempered. Steel wire with diameter above 15.0mm is mostly made by heating winding process.

    3 1 4 galvanized coil nails

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  • 6, passivation to remove hydrogen parts should be passivation after the removal of hydrogen, passivation before the application of 1%H2SO4 or 1% hydrochloric acid activation 5~15s. Passivation shall be treated with colored chromate unless otherwise specified in the design drawings.

    3 1 4 galvanized coil nails

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  • Black iron wire application in the process, the main is through the hot metal billet rolling into six point five mm wire rod, and then put it in the drawing into a line of different diameter, the plant and then gradually narrow drawing plate aperture, cooling and annealing, plating process, such as making a variety of different specifications of the wire, the wire compared with ordinary black iron wire, will be more softer, The softness is also very uniform, the color is consistent, widely used in the construction industry, mining, chemical industry, welding mesh, welding hanger, reprocessing industry, etc.

    3 1 4 galvanized coil nails

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    3 1 4 galvanized coil nails 3 1 4 galvanized coil nails

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    3 1 4 galvanized coil nails 3 1 4 galvanized coil nails

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  • steel

    3 1 4 galvanized coil nails

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  • 3 1 4 galvanized coil nails

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    3 1 4 galvanized coil nails 3 1 4 galvanized coil nails

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