30Ni-20Cr 系ステンレス鋼の機械的性質と耐食性におよぼす Mo, Si, Cu 単独添加の影響 : 30Ni-20Cr 系ステンレス鋼に関する研究 I

概要

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Changes of mechanical properties and corrosion loss were observed with specimens of 30Ni-20Cr stainless steels by varying Mo, Si and Cu contents, respectively. The following results were obtained : (1) The higher the Mo content, the higher the tensile strength, the yield strength and the elastic limit of forged specimens. But the maximum tensile strength of cast specimens was obtained by addition of 8.8% Mo. (2) The minimum corrosion loss in a boiling solution of 5 wt. % H_2SO_4 and HCl was obtained by addition of 3∿4% Mo, also the minimum grain-boundary corrosion loss was obtained by addition of 3∿7% Mo. (3) Effect of Si and Cu contents on mechanical properties and corrosion loss was less than that of Mo.
社団法人日本鉄鋼協会の論文
1961-12-01