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  • Annealed wire is mainly through low carbon steel heating, hot drawing, constant temperature and other processes made into soft iron wire, because in the use of different, so there are different in the production process, made of a variety of specifications. Annealed wire can be widely used, mainly because annealed wire and other kinds of iron wire, has many advantages.

    wide head drywall screws

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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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  • Post time: 06-06-22

    wide head drywall screws

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    wide head drywall screws wide head drywall screws

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  • wide head drywall screws

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    wide head drywall screws wide head drywall screws

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  • Three is to do a good job in the production site of galvanized wire products clean and tidy, according to the scientific operation method to operate the production, the operator should wear the required dress. If it is hot dip galvanized wire products, we must do a good job of passivation treatment, will be able to effectively prevent discoloration, prolong the method of discoloration, can solve the problem of discoloration.

    wide head drywall screws

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  • When the coating of large galvanized wire is blistered in the process of galvanizing, the bath temperature should be checked first. If the bath temperature is not low, and then strengthen the removal of oil before plating, to prevent the base metal in acid corrosion. If you pay attention to these problems, the bubbling phenomenon still exists, it should pay attention to the dosage and quality of additives, then you can stop adding additives, with high current electrolysis for a period of time, to reduce the content of additives, observe whether the bubbling phenomenon is improved. If there is no improvement, check whether the additive has been stored for too long or whether it contains too many impurities.

    wide head drywall screws

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  • Using activated carbon mat to remove surface active substances, or through filtration to make the foam is not too stable, this is an effective measure; Other measures should also be taken to reduce the amount of surfactant introduced to Z.

    wide head drywall screws

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    wide head drywall screws wide head drywall screws

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  • wide head drywall screws

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