How to choose weathering steel products?

   Corten steel, also known as atmospheric corrosion resistant steel plate, on the basis of ordinary carbon steel added Cr, Ni, Cu and other alloy elements, so longer life, if applied to outdoor weathering steel, after the use of more than a month after the installation of the basic can distinguish whether the real Corten steel plate, ordinary steel plate outdoor placed for a long time, The rust layer on the surface will come off, which is not the case with Corten steel! Long time will appear rust slag powder particles fall off, will not fall off A large area of rust layer, China's commonly used Corten steel SPA-H is a special plate for containers, Corten-A for railway with high strength weathering steel plate!