UTP 722 KB description: Good corrosion resistance against acetic acid and acetic hydride, hot contaminated sulphuric and phosphoric acids and other contaminated oxidising mineral acids. The stick electrode UTP 722 Kb is suited for joining materials of the same nature, e. g. Material-No. 2.4602 NiCr21Mo14W and these materials with low alloyed steels such as for surfacing on low alloyed steels. For welding components in plants for chemical processes with highly corrosive media.