After decades of development, the quality of China's
rusty steel plate has reached international standards. However, because the price of rusty steel plate is more expensive than that of ordinary steel plate, and the high-speed development in China requires frequent reconstruction, rusty steel plate has been only used in major engineering systems such as railway systems and sea bridges.
The 2010 Shanghai World Expo showed the beauty of rusty steel plates to the Chinese on a large scale. The national pavilion of the Grand Duchy of Luxembourg, the main building of the pavilion is rusty, because the construction material is a special steel called rusty steel plate. Rusty steel plate is also called Corten steel. Its special feature is that when exposed to the natural environment, the surface of the steel will automatically form an anti-corrosion protective layer after the action of air, rain, etc., without painting protection. After the completion of the Luxembourg Pavilion The whole body will show the natural primary color of weathering steel, and the interior wall of the pavilion will be composed of fir wood. The new type of weathering steel and natural fir trees create a sculptural castle, which is not only full of artistic sense, but also familiar with the contemporary concepts of environmental protection and sustainability.
As the rusted steel plate project with ordinary steel as the bottom plate suffered serious rust loss, the construction personnel tried to use the method of sealing the surface after rusting. However, because the rust surface is a loose layer with pores in it, it is difficult to seal it with general materials. Once exposed to the sun or for a longer period of time, the skin will burst.