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热镀锌管在使用中应该注意什么?

来源:http://www.jnxxjm.com

【 发布于:2019-03-06 14:03:12 】


热镀锌又称热浸镀锌,他是在高温下把锌锭消融,在放入一些辅助材料,然后把金属构件浸入镀锌槽中,使金属构件上附着一层锌层。热镀锌的优点在于他的防腐才能强,镀锌层的附着力和硬度较好。

Hot dip galvanizing is also called hot dip galvanizing. It melts the zinc ingot at high temperature, puts some auxiliary materials into the galvanizing bath, and then immerses the metal components into the galvanizing bath, so that a layer of zinc is attached to the metal components. The advantage of hot-dip galvanizing is its strong anti-corrosion ability, good adhesion and hardness of galvanized layer.

热镀锌是物理处置。冷镀锌是化学处置,属于电化学反响,只是在表面刷一层锌,所以锌层易掉落。修建施工中多选用热镀锌。

Hot dip galvanizing is a physical treatment. Cold galvanizing is a chemical treatment, which belongs to electrochemical reaction. It only brushes a layer of zinc on the surface, so the zinc layer is easy to fall off. Hot-dip galvanizing is often used in construction.

热镀锌管在应用中需求留意的问题

Points for Attention in Application of Hot-dip Galvanized Pipe

冷镀锌即是电镀锌,只需10-50g/m2,其本身的耐腐蚀性比热浸镀锌相差很多。选用电镀锌的报价相对低价一些。

Cold galvanizing is galvanizing, which only needs 10-50g/m2. Its corrosion resistance is much different from that of hot dip galvanizing. The quotation for galvanizing is relatively low.

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热镀锌管厂家是钢体在热浸的条件下对表面镀锌,它的附着力很强,不容易掉落,热镀锌管固然也呈现锈蚀的现象,但在很长的周期可以称心技术、清洁恳求。

Hot-dip galvanized pipe manufacturers are steel body in hot-dip conditions on the surface of galvanized, its adhesion is very strong, not easy to fall, hot-dip galvanized pipe of course also presents the phenomenon of rust, but in a long period of time can satisfy the technology, clean plea.

热镀锌管在应用中需求留意的问题

Points for Attention in Application of Hot-dip Galvanized Pipe

镀锌制品的差别:热镀锌表面没有冷镀锌细腻亮光,但锌层厚度方面热镀锌是冷镀锌的几十倍。防腐蚀功用也是电镀锌的几十倍。

Difference of galvanized products: Hot-dip galvanized surface is not fine and bright, but the thickness of galvanized layer is tens of times that of cold-dip galvanized. The anti-corrosion function is also dozens of times that of galvanizing.

热镀锌污染物排放更少一些。

Hot-dip galvanizing emits less pollutants.

热镀锌的污染物首要是酸洗工件的废酸。

The main pollutant of hot-dip galvanizing is waste acid of pickling workpiece.

冷镀锌的污染物首要包含酸洗工件的废酸、电镀废液、废钝化液等。

The pollutants of cold galvanizing mainly include waste acid of pickling workpiece, electroplating waste liquid, waste passivation liquid, etc.

热镀锌管在应用中需求留意的问题

Points for Attention in Application of Hot-dip Galvanized Pipe

冷镀锌的污染物排放种类和数量都大大超越热镀锌。

The types and quantities of pollutants discharged by cold galvanizing exceed those by hot galvanizing.

热浸锌标准:GB/T13912-92。

Hot dip zinc standard: GB/T13912-92.



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