18/8 不銹鋼の各種性質に及ぼす Columbium の影響
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概要
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The author studied the effects of Cb on the physical, mechanical and chemical properties of an 18/8 steel, and the results obtained are compared with those of Ti. The compositions of the samples are as follow : Sample Mark C% Si% Mn% Cu% Ni% Cr% Cb% 18/8 0.10 0.17 0.23 0.07 8.57 17.86 Cb/1 0.08 0.43 0.32 0.03 8.36 17.48 0.25 Cb/2 0.09 0.49 0.40 0.02 8.24 18.25 0.58 Cb/3 0.08 0.50 0.36 0.02 8.27 18.24 0.77 Cb/4 0.08 0.61 0.38 0.02 8.36 17.95 1.11 P, S≤0.03% From the experiments, it is concluded that the quantitys of Cb which is necessary for eliminating intergranular susceptibility of 18/8 steel, is more than five times the C content, and within such content, Cb reduces more or less the corrosion resistance of 18/8 steel to some corroding mediums, but it has far less effect on the physical and mechanical properties of 18/8 steel when compared with Ti used for the same purpose.
- 社団法人日本鉄鋼協会の論文
- 1939-02-25
著者
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