| abstract |
The present invention relates to a coated steel substrate comprising a coating comprising nanographite having a lateral dimension of 1 μm to 60 μm and a binder, and a method for producing said coated steel substrate Contains sodium silicate or the binder contains aluminum sulfate and an additive, the additive being aluminum oxide, wherein the steel matrix has the following composition in weight percent: 0.31%≤C≤1.2%, 0.1%≤Si≤1.7% , 0.15%≤Mn≤3.0%, P≤0.01%, S≤0.1%, Cr≤1.0%, Ni≤1.0%, Mo≤0.1%, and on a fully optional basis, such as one or more of the following Various elements: Nb≤0.05%, B≤0.003%, Ti≤0.06%, Cu≤0.1%, Co≤0.1%, N≤0.01%, V≤0.05%, the rest of the composition consists of iron and processed by The resulting unavoidable impurities constitute. |