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安徽钢结构浅谈镀锌板按生产及加工方法可分为以下几类

发布时间:2016-9-18 15:34:49 浏览次数:466

安徽钢结构浅谈镀锌板按生产及加工方法可分为以下几类

 

 

 

第一,单面镀和双面差镀锌钢板。单面镀锌钢板,即只在一面镀锌的产品。在焊接、涂装、防锈处理、加工等方面,具有比双面镀锌板更好的适应性。为克服单面未涂锌的缺点,又有一种在另面涂以薄层锌的镀锌板,即双面差镀锌板;


第二,热浸镀锌钢板。将薄钢板浸入熔解的锌槽中,使其表面粘附一层锌的薄钢板。目前主要采用连续镀锌工艺生产,即把成卷的钢板连续浸在熔解有锌的镀槽中制成镀锌钢板;


第三,电镀锌钢板。用电镀法制造这种镀锌钢板具有良好的加工性。但镀层较薄,耐腐蚀性不如热浸法镀锌板;


第四,合金、复合镀锌钢板。它是用锌和其他金属如铅、锌制成合金乃至复合镀成的钢板。这种钢板既具有卓越的防锈性能,又有良好的涂装性能。


第五,合金化镀锌钢板。这种钢板也是用热浸法制造,但在出槽后,立即把它加热到500℃左右,使其生成锌和铁的合金被膜。这种镀锌板具有良好的涂料的密着性和焊接性;

 

 

First, single side and double side differential galvanized steel sheet. One side galvanized steel sheet, that is, only one side of galvanized products. In welding, coating, rust treatment, processing and other aspects, has better adaptability than the double side galvanized plate. In order to overcome the disadvantage of one side of the zinc coating, there is a kind of galvanized sheet, which is coated with a thin layer of zinc on the other side;


Second, hot dip galvanized steel sheet. The thin steel plate immersed in molten zinc bath, adhered to the surface of thin steel plate a layer of zinc. At present the main continuous galvanizing production process, which rolled steel continuously immersed in molten zinc plating bath is made of galvanized steel sheet;


Third, electro galvanized steel sheet. Manufacture of this kind of galvanized steel sheet by electroplating method has good workability. But the coating is thin, and the corrosion resistance is not as good as that of the hot dip galvanized sheet;


Alloy, composite galvanized steel sheet. It is made of zinc and other metals, such as lead, zinc alloy and even composite plated steel plate. This kind of steel plate not only has excellent anti rust performance, but also has good coating performance.

Alloying galvanized steel sheet. This kind of steel plate is made by hot dip method, but it is heated to about 500 degrees C immediately after it is produced, so that it can produce the alloy of zinc and iron. This kind of galvanized sheet has good sealing property and welding property;

 

 

 

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