slotted hole perforated metal

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  • steel

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  • ② Electric galvanized shaft wire direct selling shall not be used for waist hoop compression reinforcement, usually not used for all binding.

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  • Compared with the traditional braided and twisted barbed rope, the price of raw materials is relatively high because of the relatively complex technology.

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  • slotted hole perforated metal

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  • For example, in gray iron, its carbon exists in iron ore in the form of graphite, the crack is often gray, soft and tough, simple filter cutting, suitable for casting. In the white iron, the carbon and iron are combined to form iron carbide, the crack appears white, the quality is very strong and brittle, and it is the material of malleable steel. Alloying grade is composed of various alloying elements with different composition and structure.

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  • During this process, each time the wire is pulled over, the surface hardens due to the high friction temperature. So basically every time you pull it you have to annealing it in the furnace. On the one hand, it is to reduce the surface hardness. On the other hand, during the process of wire pulling, only the surface is deformed, and the center is unchanged. So there’s a lot of stress inside. Therefore, it is necessary to rely on annealing to eliminate the internal stress, so that the wire becomes soft again to eliminate the stress before being drawn again.

    slotted hole perforated metal

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