How to identify whether galvanized square pipe is rusty?

In the actual manufacturing process of galvanized square tubes, most of our friends do not have a special understanding of their manufacturing process, nor can they see whether they have some floating rust. So how to distinguish whether these galvanized square tubes can rust? In fact, we need to control a series of methods. At present, these galvanized square tubes will have their own ways and means in the process of stopping consumption, and they will go through different ways to stop processing.

In fact, most of my friends do not particularly understand their consumption process in the consumption process of galvanized square tubes, nor can they see whether they can have some rust, so how to identify whether these galvanized square tubes can rust, in fact, we must control a series of methods. At present, these galvanized square tubes will have their own ways and means in the process of practical consumption, and will stop comprehensive processing in various ways

In other words, they will have a layer of towel on their appearance. Of course, these rusty things can be wiped off completely, and this is also a normal state. But if the rusty time is relatively long, and the despair has also been exposed to the wind and the sun, then the rusty square pipes will have large and small pockmarks, which will produce more rusty conditions, Therefore, it is essential to pay attention to these floating rust, so that we can reasonably stop handling them.

That is to say, their appearance will have a layer of towel. Of course, these rusty things can be completely wiped off, which is a normal state. But if these rusty things last a long time, and despair will also pass through the wind and sun, then the rusty square pipes will have large and small pits, which will lead to more rusty conditions. Therefore, fundamental attention should be paid to these floating rust areas for reasonable disposal.

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