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在大生产条件下进行模拟试验,试验结果表明钢锭表面增碳在钢锭开坯加热过程中同时存在表面脱碳及增碳层向内扩散,因此钢锭表面增碳层在开坯加热中不能完全被氧化“烧掉”。
The simulation test under large production conditions shows that the carbon addition on the steel ingot surface can not be completely eliminated during the billet heating due to the simultaneous presence of surface decarburization and inward diffusion of the carbon layer in the ingot heating process Oxidation “burn out.”