This standard specifies the surface accuracy of carbon blocks and carbon bricks and the technical specifications, geometric accuracy, processing accuracy, measurement methods and technical requirements of processing machine tools. This standard applies to blast furnace carbon blocks, cathode carbon blocks, annular carbon blocks, etc.
YB/T 4246-2011 Referenced Document
GB 5226.1-2008 Electrical safety of machinery - Electrical equipment for machinery - Part 1: General specifications