Bohler FOX C 9 MV description: Basic core wire alloyed electrode suited for high temperature martensitic 9-12% chromium steels, in turbine and boiler fabrication and in the chemical industry especially for T 91 and P91 steels and operating temperatures up to +620C (approved up to +650C). High creep rupture strength and good toughness properties under long term stresses. Low hydrogen content. The electrode is suitable in all positions except vertical down. It features excellent striking and re-striking properties.