发明名称 MANUFACTURING METHOD OF TWO-PHASE STAINLESS STEEL CASTINGS AND TWO-PHASE STAINLESS STEEL CASTINGS
摘要 PROBLEM TO BE SOLVED: To provide a manufacturing method of two-phase stainless steel castings which can manufacture durable two-phase stainless steel castings with high accuracy, and to provide the durable two-phase stainless steel castings.SOLUTION: A manufacturing method or two-phase stainless steel castings includes: a melting step of melting raw materials of the two-phase stainless cast steel; a molten steel analysis step of analyzing the molten metal ingredients; a step of making castings by casting the molten metal into a mold; a solution heat treatment step of conducting a solution heat treatment by heating and cooling the castings; and a step of conducting a finishing process to the castings having undergone the solution heat treatment. The finishing step determines a process to be conducted depending on surface roughness of the castings.SELECTED DRAWING: Figure 8
申请公布号 JP2016153523(A) 申请公布日期 2016.08.25
申请号 JP20150032288 申请日期 2015.02.20
申请人 MITSUBISHI HEAVY IND LTD 发明人 ISHIBASHI YUSUKE;IWASAKI SHUGO;HOSHIKAWA TAKANOBU
分类号 C21D6/00;C22C38/00 主分类号 C21D6/00
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