Abstract
The international metallurgical World Steel Association has published new data that reviewing the situation in the global steel market. According to the published data for 2021 the production of steel on the world market decreased by 1 % (to 1.83 billion tons). The reduction in steel production on the world stage is the result of sharp fluctuations in market conditions associated with the pandemic. If it is necessary to urgently increase the volume of rolled metal production, the issues of uniformity of metal heating before rolling, stamping and forging, as well as improving the thermal operation of devices for heating the surface of slabs (which will simplify the design of heating devices, reduce the cost of heating and construction), are still relevant. One way to improve the heating process and increase the production of rolled metal is to use jet heating. This paper shows the results of modeling metal heating with nitrogen jets.
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