Method for processing molten steel

• Main Authors: Oka, Masaharu, Sugano, Hiroshi, Koyama, Yuji, Miura, Ryusuke, Miyamoto, Kenichiro, Morohoshi, Takashi, Zeze, Masafumi, Kusunoki, Shintaro, Kinari, Yasuhiro, Abe, Masayuki
• Format: Patent
• Language: English; French; German
• Published: 21.02.2018
• Subjects: ALLOYS; CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

A cast steel with excellent workability, characterized in that not less than 60% of the total cross section thereof is occupied by equiaxed crystals, the diameters (mm) of which satisfy the following formula: D < 1.2X<1/3> + 0.75, wherein D designates each diameter (mm) of equiaxed crystals...