black iron wire factory

black iron wire factory

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  • Post time: 04-05-23

    black iron wire factory

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    black iron wire factory black iron wire factory

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  • In order to remove the photosynovium and oxide remaining on the surface of galvanized iron wire after drawing or heat treatment, it is necessary to do the surface treatment of galvanized steel wire before plating. The common surface of low carbon steel wire is the light synovium or oxide of animal or vegetable oil; Medium and high carbon steel in addition to contain animal or vegetable oil components.

    black iron wire factory

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    black iron wire factory black iron wire factory

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  • Generally speaking, in dry main gas and indoor use, the thickness of galvanized coating is only 6-12μm, but under poor environmental conditions, the thickness of galvanized coating is 20μm, can reach 50μm. Therefore, environmental factors should be considered when choosing the thickness of galvanized layer. Galvanized layer after passivation treatment, can naturally form a layer of bright, beautiful color passivation film, can obviously improve its protective function, decorative.

    black iron wire factory

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    black iron wire factory

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  • After proper heat treatment or cold drawing hardening, high carbon steel wire has high strength and hardness, high elastic limit and fatigue limit (especially notched fatigue limit), cutting function is acceptable, but welding function and cold plastic deformation ability is poor.

    black iron wire factory

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    black iron wire factory black iron wire factory

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  • black iron wire factory

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    black iron wire factory black iron wire factory

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