| 摘要 |
<p>Process for rendering metals corrosion resistant by treating them with an anti-corrosion agent, wherein a ferritic-austenitic duplex steel having a chromium content of between 28 and 35 wt.% and a nickel content of between 3 and 10 wt.% is utilized, with an oxidizer being brought into contact with the metal parts and with the passivating air being completely or partly omitted.</p> |
