jiangsu jianghehai stainless steel co.,ltd
jiangsu jianghehai stainless steel co.,ltd
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201/J1 J4 Stainless Steel Coil China Factories 201J4 J1 Stainless Steel Strip Manufacturer
201 material although similar to 304 surface, but the chemical elements are worlds apart, 201 material into stainless steel before it is even black than iron, after multiple pickling annealing became you usually see the "white steel", its surface is just covered with a layer of air isolation layer, if one day he rust, we do not need to accident, That's because his compartments are damaged, so he rusts.
