Bohler CM 5-UP description: Sub arc wire/flux combination suited for 5% Cr 0.5% Mo alloyed steels, particularly for hot hydrogen service. High temperature strength at service temperatures up to +600°C. The weld deposit exhibits good mechanical properties. Easy slag detachability and smooth bead surface are additional quality features. For information regarding the sub-arc welding flux BOHLER BB 24 see our detailed data sheet.