日本金属学会誌

J. Japan Inst. Metals, Vol. 6, No. 12 (1942),
pp. 597-598

The Acid Resistivity of 18% Cr Steel against Nitric Acid

Minori Matubara1, Motomu Nisimoto1

1住友化學工業株式會社新居濱製造所

Abstract:

The corrosion test of 18% Cr steel was carried out by dip method. The corrosion resistance was examined in 5_??_98% HNO3 at 30_??_70° by measuring the weight loss for 10 hours, and the corrosion rate was expressed as g/m2hr.
The results obtained were as follows (1) At 30°, this steel is not corroded. (2) At 50°, this steel is slightly corroded in conc. nitric acid. (3) At 70°, this steel is slightly corroded in above 50% nitric acid.


(Received 1942/07/15)

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