1 1 4 ring shank coil roofing nails

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1 1 4 ring shank coil roofing nails

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1 1 4 ring shank coil roofing nails 1 1 4 ring shank coil roofing nails

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  • The application of electric welding mesh is more widely, at present, it has replaced the use of other parts of the screen, the cost of electric welding mesh is low, the production speed is very fast, so it is very popular. The treatment required before galvanized welding mesh is recrystallization annealing, because the welding mesh must maintain an oxide and no other impurities of pure iron active surface, if you can’t keep its surface clean will lead to poor galvanized effect, galvanized layer and iron material is not tightly combined, so this step is necessary.

    1 1 4 ring shank coil roofing nails

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    1 1 4 ring shank coil roofing nails 1 1 4 ring shank coil roofing nails

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    1 1 4 ring shank coil roofing nails

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    1 1 4 ring shank coil roofing nails 1 1 4 ring shank coil roofing nails

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  • After annealing, the wire will become soft, flexibility will increase, iron is a relatively active metal, and more active than hydrogen, so it is a good reducing agent. At room temperature, iron is not easy to react with oxygen, sulfur, chlorine and other non-metallic elements in dry air. Its production cost is lower, its use and scale are also relatively wide, and it has better protective function. Therefore, it is an important material for steel parts in strict working environment.

    1 1 4 ring shank coil roofing nails

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    1 1 4 ring shank coil roofing nails 1 1 4 ring shank coil roofing nails

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  • 1 1 4 ring shank coil roofing nails

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    1 1 4 ring shank coil roofing nails 1 1 4 ring shank coil roofing nails

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