Bohler CN 29/9-IG description: GMAW solid wire which has a higher ferrite content in the weld metal. It offers outstanding operating characteristics and weld metals of high strength combined with high crack resistance when welding problem steels or dissimilar joints. The weld metal also work hardens making it suitable for wear resisting build-ups on clutches, gear wheels, shafts, etc. It is also suitable for repair welding of tools.