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  • In white iron, its carbon and iron phase into iron carbide, crack white, extremely strong and brittle, for the malleable steel material. Alloy grades are made up of various alloying elements with different compositions and structures. Because the alloy element in the iron can make the copper material thick strengthening degree, hardness, impact force, strength resistance, collection rate, elongation rate, so the alloy iron in the exercise of high quality iron, is an additive element.

    concrete steel nail

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  • concrete steel nail

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  • concrete steel nail

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  • barbed

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  • Post time: 12-04-23

    concrete steel nail

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  • concrete steel nail

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  • 2. The positive and negative twisting barbed wire is cost-effective

    concrete steel nail

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  • Post time: 23-06-22

    concrete steel nail

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