1 1 2 ring shank roofing nails

1 1 2 ring shank roofing nails

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  • The front and back twist barbed wire costs less than 30 cents per meter, and the corresponding No. 12 hot-dip galvanized barbed wire costs 5 cents per meter. No matter in terms of service life, tensile strength, and anti-rust effect, it is no worse than No. 12 iron wire

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    1 1 2 ring shank roofing nails 1 1 2 ring shank roofing nails

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  • 1 1 2 ring shank roofing nails

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  • Hot dip galvanizing is the plating of zinc layer on the surface of Angle steel, channel steel and other metals to achieve the appearance of convenience and rust prevention of metal. Hot-dip zinc processing plants use zinc tin solution to prevent corrosion on the workpiece. This new technology can extend the corrosion time by up to five times, which is usually used in outdoor construction. Because the principle of action is not the same, so the role of the workpiece is not the same. The appearance of hot dip zinc plant is only to expand the scope of action.

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    1 1 2 ring shank roofing nails 1 1 2 ring shank roofing nails

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  • Third, 201 is high manganese content, the surface is very bright with dark bright, high manganese content is easy to rust. 304 contains more chromium, the surface is matte, no rust. Put the two together and you have a comparison. The most important thing is that the corrosion resistance is different. The corrosion resistance of 201 is very poor, so the price will be much cheaper. Because of the low nickel content of 201, the price is lower than 304, so the corrosion resistance is not as good as 304.

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    1 1 2 ring shank roofing nails 1 1 2 ring shank roofing nails

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    1 1 2 ring shank roofing nails 1 1 2 ring shank roofing nails

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