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    Development and Design and Heat Treatment of Production, Storage and Mine Drilling Pipes in Petroleum and Geothermal Industries
    (2020) Devrım, Arda; Unal, Batuhan; Vanlı, Bilge; Topcu, İsmail
    In this study, sequential and different temperature heat treatments were applied to steels after austenating heattreatment applied to different AISI steel types. The effects of tempering heat treatment applied on the mechanicalproperties of the steel after quenching were investigated. The production of prototypes of the materials to beused in the drilling industry and the improvement of the properties of the drilling pipes used in the geothermal,petroleum, storage and mining sectors by thermal processes determined according to the standards have beenrealized. Different heat treatments have been applied to the materials in AISI standards provided by consideringthe desired material properties of the drill pipes. In order to improve the mechanical properties, the heattreatment process was determined and applied by a wide literature review. The prototypes of the drill rods wereproduced in three different AISI standards (AISI 4130, AISI 4140). Seamless tubes are produced according toAISI 4340 and ductile, semi-ductile and brittle conditions. 946.4 MPa. In addition, corrosion tests showedsignificant corrosion resistance.