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不锈钢管特性除锈的方法

2022-05-13

扭曲性:在施工现场,由于施工场地、空间和施工工具的限制,施工人员会用不锈钢管管材的塑性而不按施工规范强行施工,所以,有必要考虑管材与管件连接处的扭曲因素。

耐腐蚀性好:由于不锈钢管的表面会形成一层薄薄的保护膜,虽然此保护膜约为3×10—6毫米,但非常强韧,即使被破坏,只要旁边有氧气,即可马上再生而防止生锈,只要知道不锈钢的特性并正确使用的话,在水管或达100℃热水等腐蚀性较少的条件下,不用担心会生锈,也不用担心在镀锌钢管内产生常见的“生锈突起物”所造成的内径变小或阻力增大等现象,能获得不会堵塞的水流。

由于较轻,可轻松搬运和施工并降低成本。304不锈钢管由于耐腐蚀性和机械性能超群,只需要镀锌钢管厚度的约三分之一即可。因此管材的重量大大变轻,成本也随之降低,使搬运更加轻松,安装更加方便。

不锈钢管除锈应先用溶剂、乳剂清洗钢材的表面,这种方法只是做为一种防腐蚀的辅助手段,不能真正起到去除不锈钢管的锈的作用。

还可以在清洗之前用钢刷、铁丝球等工具将表面松动的氧化皮、铁锈清除,但这样一来如果还是做不好防护措施的话,还是会再一次的被侵蚀。

Distortion: at the construction site, due to the limitations of construction site, space and construction tools, the construction personnel will use the plasticity of stainless steel pipe instead of forced construction according to the construction specifications. Therefore, it is necessary to consider the distortion factors at the connection between pipe and pipe fittings.

Good corrosion resistance: a thin protective film will be formed on the surface of the stainless steel pipe, although the protective film is about 3 × 10-6mm, but it is very strong and tough. Even if it is damaged, as long as there is oxygen nearby, it can be regenerated immediately to prevent rust. As long as the characteristics of stainless steel are known and used correctly, there is no need to worry about rust under less corrosive conditions such as water pipes or hot water up to 100 ℃, nor about the reduction of inner diameter or increase of resistance caused by common "rust protrusions" in galvanized steel pipes, It can obtain water flow that will not be blocked.

Due to its light weight, it can be easily handled and constructed and reduce costs. 304 stainless steel pipe only needs about one third of the thickness of galvanized steel pipe due to its excellent corrosion resistance and mechanical properties. Therefore, the weight of the pipe is greatly reduced, and the cost is also reduced, making the handling easier and the installation more convenient.

For stainless steel pipe rust removal, the surface of steel shall be cleaned with solvent and emulsion first. This method is only used as an auxiliary means of anti-corrosion and can not really remove the rust of stainless steel pipe.

You can also use steel brush, wire ball and other tools to remove the loose scale and rust on the surface before cleaning, but in this way, if you still do not take good protective measures, it will be eroded again.

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