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Sheet metal parts galvanized

Sheet metal parts galvanized

  • Classification:Sheet Metal Galvanized
  • Views:second
  • Date of issue:2020-08-29
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Sheet metal is a comprehensive cold working process for sheet metal, including shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming, etc. Its notable feature is the same thickness of the same part. The products processed by the sheet metal process are called sheet metal parts. The sheet metal parts referred to by different industries are generally different, they are mostly used for the name of assembly.

The hot-dip galvanized layer is a cheap good corrosion-resistant coating. Due to the electrochemical characteristics of zinc, it has a "sacrificial" protective effect on the steel substrate; the corrosion product of the zinc layer in the atmosphere (basic Zinc carbonate) is relatively dense, has good adhesion is insoluble in water, has a certain protective effect on the zinc layer. Therefore, hot-dip galvanizing is widely used to protect steel its parts atmospheric corrosion, is particularly suitable for mass production of standard parts, metal stamping sheet metal parts processing.

In addition to the above considerations, sheet metal parts manufacturers metal stamping manufacturers choose hot-dip galvanized coatings, mainly considering the following three aspects:

(1) The plating layer is uniform bright, various colors can be obtained after passivation, the decoration effect is good.

(2) Low cost simple operation. At the same time, electro-galvanized metal stamping processing also has some defects, such as hydrogen embrittlement, especially high-strength metal stamping processing is more sensitive to hydrogen embrittlement, incomplete hydrogen drive will cause failure of the metal stamping processing connection. The coating is thin, the thickness of the electro-galvanized layer is generally less than 10μm, which cannot meet the requirements of outdoor anti-corrosion.



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