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side impact door beams

Categories：	Fabric / Cotton Fabric
Material & Specifications：	3434
Manufacturing methods：	Knit fabric
Weight(g/㎡)：	<80
Width(cm)：	110-120
Usage：	Apparel

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cold drawn tubes

Tel:	86-342-23232323
Fax :
Country/Region :	Albania
Address :	A,Ouya avenue ,Xi'an
Contact :	Bernier Beaufort ()

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Description: Stainless steel pipe not rust, so need passivation 304 stainless steel tube? Stainless steel pipe need passivation, on the basis of the original rust do a layer of passivation film. After the passivation of stainless steel can be side impact door beams on the basis of the original antirust increased 3 ~ 8 years, greatly reduces the probability of rust.
04 passivating stainless steel tube need?
The answer to that is that. As is known to all, 304 stainless steel tube by adding the metal elements such as chromium, nickel, and composition is relatively high, is easy to become a high density of passivation oxide film, so it has excellent corrosion resistance, not easy to rust, however, in some circumstances, such as coastal areas or wet warehouse and chlorine ion can easily penetrate and erode the passive film of stainless steel, stainless steel will with the passage of time gradually corrosion and rust, passivation treatment can improve the corrosion resistance of stainless steel pipe.
Passivation is a kind of passive film, due to the effect of metal and oxide, the passive film on the metal surface is very thin, dense, good coverage, strong adsorption. Is usually a metal oxide, usually of metal oxide compound. It will be completely separate metal and corrosion media, prevent metal contact with the corrosive medium, to dissolve metal ground to a halt, passivity, anti-corrosion effect.
After passivation, not an increase of 304 stainless steel tube thickness, change color, improve product precision and added value, make the operation more convenient; Passivation process has no reaction, passivator reusable, long service life beam impact tubes and cost more economy; Passivation promote oxygen molecules structure metal surface passivation membrane, membrane layer density, stable performance and repair in the air at the same time, the rust-proof method compared to the passivation film is more stable, resistant to corrosion.
304 stainless steel is a kind of austenitic steel, contains 35% of nickel, chromium content of 16% to 24%. 18-8 is the most common type of 304 stainless steel or steel 18/8, consisting of 18% 8% of the nickel and chromium; Still contain among them about 0.03% of the sulfur, carbon, nitrogen, 0.08% 0.1% and 0.75% 2% of silicon, manganese and 0.045% of phosphorus.
By observing the characteristics of 304 stainless steel, it is a multipurpose steel, has many advantages, we can see clearly why it was used in so many applications, making it a designer and manufacturer of common choice, it is widely used in various fields.
When many people see: 304 stainless steel pipe is used in indoor or indoors? May think this is used in indoor is a good choice, of course, for this statement, correct or not, so to speak, why so? If adopted 304 stainless steel pipe is the use of service pipe class, so, interior and interior is can use, because of the corrosion resistant performance is good, not easy to rust, is building water supply of high quality pipe.
But if 304 stainless steel pipe is used for other purposes (except water), so its use is impact beam tubes mainly outdoor, for example, decoration class use stainless steel tube, and the use of stainless steel tube in 304 stainless steel pipe is used, the main choice for outdoor use 304 material is to prevent corrosion, such as material 201 won't be used in outdoor, because the effect of its resistance to corrosion is lower than 304 for outdoor easy to rust.

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