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    ESR Processing of a New HighPressureDieCasting Steel

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    ESR Processing of a ... (809.0Kb)
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    URI: http://hdl.handle.net/11556/1196
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    Author/s
    Dubberstein, T.; Hengst, A.; Caballero, Patricia; Vicario, Iban
    Date
    2021
    Keywords
    ESR
    Special steelmaking
    Re-melting
    SHS alloy
    Hot tool Steel
    High pressure die casting
    RFCS
    Abstract
    Schmiedewerke Groditz (SWG) is among the global players of special re-melted steel alloys production. Within the RFCS project n⁰ 751360 HPDCSTEEL (High Pressure Die Casting Steel) a new ESR steel grade has been developed. At SWG the steel grade was produced using an open ESR unit. During re-melting the master alloy has been continuously added into the liquid slag bath and a modified ESR ingot of 20t has been manufactured. The ESR process was modified to increase the quality and performance of the steel, maintaining a constant distribution of synthetic carbides into the obtained ingot. A master alloy was placed on the bottom of the ESR machine before starting with the pre-charge. Furthermore, during re-melting the master alloy has been fed continuously using an installed balance system. No problems in the steel processing were detected, with a standard ESR melting and permanent feeding of the new alloy. The chemical composition of the alloy and of the liquid ESR slag was measured several ...
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    conferenceObject

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