日本金属学会誌

J. Japan Inst. Metals, Vol. 17, No. 9 (1953),
pp. 446-449

Experiments on 13 Cr Stainless Steel

Kiichiro Shinji


Abstract:

The auther carried out the investigation of Cr stainless steel and its modifications used for turbine blades and parts of chemical instruments which require corrosion resisting property. The results obtained on 13 Cr stainless steel are as follows: (1) Potassium ferricyanisde method for inspecting non-metallic inclusions which tend to be contained in this kind of steel is effective to detect them rapidly and easily all over the surface. (2) Non-metallic inclusions detected by potassium ferricyanide method have no effect on mechanical durability. (3) Tensile strength is increased by adding Cu or Mo, but elongation and reduction are decreased. (4) Effects of Cu and Mo on corrosion resisting properties against inorganic and organic acids and salt solutions were investigated at room temperature and their boiling points. Corrosion resisting property against HCl at room temperature is decreased by adding Cu but this result is different from those of published experiments.


(Received 1953/4/8)

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