PRODUCT MADE FROM AN ALLOY CONTAINING ONE OR MORE OF Cr Al Si Ti AND SO CALLED ODE AND METHOD TO PRODUCE SAID PRODUCT

摘要

On the metal surface in the present invention, the metal chromium, aluminum, silicon and / or metallic products comprising at least one of titanium and relates to a production method of the metal product, the metal chromium, aluminum, silicon and / or titanium oxide atmosphere It is contained in an amount to form a corrosion resistant oxide layer. Feature of the present invention, at least the metal surface layer of the next, the metal part is yttrium and the elements with atomic number 57-71, scandium, hafnium, zirconium, niobium, tantalum, titanium, palladium, platinum, rhodium and rare earth metals consisting of (REM) in the group, referred to as the oxygen separation element (ODE), and the oxide layer and the surrounding gas phase (相) at least one element of an element shape and / or oxide form to remove the oxygen effectively at the boundary between the product 0.01% by weight or more, and the metal product to hydrogen, characterized in that it comprises more than 0.5 ppm by weight.