Does it take a long time to customize the stainless steel railing and river welded guardrail of Guan

  Does it take a long time to customize the stainless steel railing and river welded guardrail of Guangzhou Huangpu overpass
1
Composite thin-walled stainless steel pipe without scaling, nodulation and corrosion resistance in steel pipe
The material of stainless steel pipe is & ldquo; Gb12771-2000 stainless steel welded steel pipe for fluid transportation & rdquo; 0Cr18Ni9 (American Standard AISI304) is specified
Because the steel contains 18% chromium, a very thin chromium oxide film is formed on the inner wall of the pipeline during use, which prevents the metal from continuing to oxidize
Therefore, stainless steel has strong corrosion resistance and can withstand not only the corrosion of water and air, but also the corrosion of weak acid and weak alkali
The thickness of the external stainless steel pipe is 0
4-1
2mm, while the thickness of the galvanized layer of the galvanized steel pipe is only 0
07mm, with a thickness difference of 5
7-17 times
The corrosion resistance and compactness of stainless steel are stronger than that of the galvanized layer of the galvanized steel pipe
Therefore, the stainless steel lined composite steel pipe does not need to worry about scaling and nodulation due to the corrosion of the inner wall, which will reduce the inner hole
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