Oerlikon Fluxodur SA 40 DK description: FLUXODUR SA 40 DK is a folded flux cored wire suitable for SAW hardfacing in combination with the flux OP F500. Deposit is corrosion resistant with excellent resistance against fretting and thermal chock. Especially develloped for restoring continuous casting rolls. Deposit will have hardness 40-45 HRC in third layer.