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济南镀锌管的表面有哪些要求?

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【 发布于:2018-07-26 18:04:40 】


1.粉尘:济南镀锌管介绍,制作经常是在有粉尘的场地进行,空气中常带有许多粉尘,它们不断地落在设备表面。它们可以用水或碱性溶液去除掉。不过,有附着力的尘垢需要高压水或蒸气进行清理。

1. dust: Ji'nan galvanized pipe introduction, production is often carried out in the dust field, often with a lot of dust in the air, they continue to fall on the surface of the device. They can be removed by water or alkaline solution. However, adhesion dust and dirt need high pressure water or steam to clean up.

2.划痕:为了防止工艺润滑剂或生成物和/或污物积留,必须对划痕和其它粗糙表面进行机械清理(如干喷砂,磨料用玻璃珠)。

2. scratch: in order to prevent the process lubricants or products and / or dirt retention, the scratches and other rough surfaces must be mechanically cleaned (such as dry sandblasting, and glass beads for abrasive).

济南镀锌管

3.锈斑:制作前或制作过程中有时会看到不锈钢产品或设备上生锈,这说明表面受到严重污染。济南镀锌管设备投入使用前必须把锈清除掉,彻底清理过的表面应通过铁试验和/或水试验进行检验。

3. rust stains: rust is sometimes seen in stainless steel products or equipment before or during the production process, which means that the surface is seriously polluted. Rust must be removed before the galvanized pipe equipment is put into use in Ji'nan. The thoroughly cleaned surface should be inspected by iron test and / or water test.

4.焊接引弧斑痕:焊工在金属表面引弧时,会造成表面粗糙缺陷。保护膜受损,留下潜在的腐蚀源。焊工应在已经焊好的焊道上或在焊缝接头的侧边引弧。然后将引弧痕迹熔入焊缝中。

4. welding arc striking marks: when welders start arcing on metal surface, they will cause rough surface defects. The protective film is damaged, leaving a potential source of corrosion. The welder shall strike the arc on the weld that has been welded or on the side of the weld joint. The arc marks are then melted into the weld.

5.焊剂:镀锌管利用焊剂进行焊接的工艺有手工焊,带焊剂芯电弧焊和埋弧焊,这些焊接工艺都会在表面留下细小的焊剂颗粒,普通的清理方法无法将它们清除掉。

5. flux: the welding process of galvanized pipe by welding flux has manual welding, with flux cored arc welding and submerged arc welding, these welding processes will leave fine flux particles on the surface, and ordinary cleaning methods can not remove them.

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