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- W2362674973 abstract "The process control of 20CrMoA produced by the route of 210 t converter—ladle furnace—eight strand billet caster at Shougang Corporation is introduced The oxygen potential of liquid steel in converter is decreased by bottom blowing The top slag of ladle furnace is composed of CaO SiO 2 Al 2O 3 MgO CaF 2, the desulphurization rate is increased and cleanness of steel is improved dramatically The parameter of EMS is 5 Hz/300 A and tundish superheat is controlled in a tight temperature range, the spray water density of secondary cooling is maintained around 1 07 L/kg which is automatically adjusted with casting velocity As a result the macrostructure of the billet is great and the central segregation is decreased The non metallic inclusion content and grain size in final product are satisfactory, the average total oxygen and nitrogen content in final product are low enough, the mechanical properties of final products reach high level comparing with national standards of China In this way, Shougang No 2 steelmaking plant's 20CrMoA meets customers' requirements" @default.
- W2362674973 created "2016-06-24" @default.
- W2362674973 creator A5031890355 @default.
- W2362674973 date "2005-01-01" @default.
- W2362674973 modified "2023-09-25" @default.
- W2362674973 title "Process and Quality Control of 20CrMoA Produced by Converter-Continuous Casting Route" @default.
- W2362674973 hasPublicationYear "2005" @default.
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