There are two methods to rust for
stainless seamless steel pipe. The first direct use of anti - rust oil, oil film rust, also known as physical rust. The other is the chemical rust, and very stainless steel passivation rust is chemical passivation rust. And physical rust is different, the physical rust is to make stainless seamless steel pipe and air isolation, and stainless steel passivation is the surface of the stainless seamless steel pipe chemical reaction, so that the workpiece to achieve a high degree of anti-rust effect, better than the effect of anti-rust oil Of the more, but does not pollute the surface of stainless steel tube.
The traditional anti-rust oil rust effect is too bad, time is also very short, not only that, with it will pollute the surface of stainless seamless steel pipe, but also affect the appearance, so we support the use of the second method of anti-rust. This method is also relatively speaking to operate, can greatly extend the life of stainless steel pipe. Unless under certain conditions, or we do not recommend that everyone use oil film rust.
Stainless steel rust-proof principle and the principle of physical rust, of course, there is a big difference. The traditional anti-rust oil principle is to form a closed oil film, to prevent air oxidation, chemical rust is a series of chemical reactions on the stainless steel tube to produce a relatively hard and more vulnerable to corrosion of the material, the anti-rust effect several times.
In fact, stainless seamless steel pipe is not no rust, but the probability of rust is relatively low, even to the naked eye usually do not see the situation. Stainless seamless steel pipe is not rusty is not a very simple question, he and the material environment and many other are related. 200 series of stainless steel rust effect is relatively poor, exposed in the air, then it will be very easy to rust, which can prove that the rusty stainless steel tube is also and its environment is closely related.
