In order to solve the steel smelting process in the chemical composition of the rapid adjustment to achieve hardenability bandwidth of 4 ~ 6 HRC's narrow control components, hardenability papers in the prediction model based on the chemical composition of chemical elements that control programmes prediction model and used matlab procedures for the preparation.
Under the control of the programme components, combining domestic and foreign papers steel smelting High Gear advanced technology, the converter made + LF + continuous casting production hardenability narrow bandwidth gear steel optimization technology programmes.
Key words: hardenability hardenability forecast High Gear Steel chemical composition forecast narrow band hardenability
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