The role of chromium in 09CuPTiRE-B steel structure

High weather resistance structural steel Q295GNH, Q355GNH adds a small amount of alloying elements such as Cu, P, Cr, Ni, etc. to form a protective layer on the basic surface of the metal to improve the steel with atmospheric corrosion resistance. High weather resistance structural steel is mainly used in the structure of vehicles, containers, buildings, towers or other structural parts. Compared with welded structural steel 09CuPTiRE-B steel structure, it has better atmospheric corrosion resistance.

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In the first quarter of 2020, the output of EU steel pipe industry decreased by 13.3% year-on-year, but it is considered to be flexible due to its close connection with the 09CuPTiRE-B steel structure construction industry. However, demand for large welded pipes is expected to remain weak in the oil and gas industry. In 2020, the steel consumption of steel pipe industry will account for 13% of EU 09CuPTiRE-B steel structure steel consumption market. Uestf predicts that in 2020, the output of steel pipe industry will continue the downward trend of 2019, with a year-on-year decrease of 19.4%, and a rebound of 9.8% in 2021.

09CuPTiRE-B steel structure 2020 stock in Tianjin: 7*2920*8200, 32*3000*7440, 14*2150*9300, 16*2200*10000, 12.5*2900*11000, 7*2920*8200, 14*1950*11000, 80*2200*10000, 16*2230*7650, 7*2920*8780, 32*2900*9700, 20*1950*9550, 10*2200*7200, 23.1*2590*7790, 20*1400*11400, 20*1950*9700, 7*2920*8780, 20.9*2851*7000, 25*1600*9300, 30*2200*9000, 14*1950*10550, 30*1600*8600.