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Corrosion and hydrogen intake for some Cr-Mn steels in liquid hydrocarbons

Świeczko-Żurek B., Łunarska E., Zieliński A.

Advances in Materials Science

2007

Vol. 7, nr 1(11)

198-204

The 26H2MF and 34HNM alloy steel were investigated. The corrosion and hydrogen absorption were measured. The boiler fuel and used mineral oil were used as aggressive environments, and glycerin as an inert environment. The results of corrosion studies made with potentiodynamic and impedance techniques on the 26H2MF alloy steel showed substantial difference of corrosion rate in sulfuric acid and in boiler fuel. The surface degradation and hydrogen intake were also different in boiler fuel and in used mineral oil. The results were explained by effects of different chemical environments.