iron & wire

iron & wire

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iron & wire iron & wire

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    iron & wire iron & wire

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    iron & wire

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    iron & wire iron & wire

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    iron & wire iron & wire

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  • The drawing process of the product drawing process has a great influence on the product function. Generally, a large total surface reduction rate of about 90% (see area reduction rate) and a small pass surface reduction rate (about less than 23%) are selected to ensure the endurance of the product. On the high strength spring steel wire, drawing should control the exit temperature of each passage of the steel wire is lower than 150℃, to avoid the steel wire due to strain aging and appear to change the crack, which is the formation of steel wire scrap the primary disadvantage.

    iron & wire

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    iron & wire iron & wire

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    iron & wire iron & wire

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