Oerlikon Fluxocord 52 description: FLUXOCORD 52 is a seamless copper coated basic flux cored wire suitable for hardfacings of medium hardness in combination with the flux OP 122. FLUXOCORD 52 is used for hardfacing rollers, wheel flanges, studs, caterpillar track rollers, excavator parts. The weld metal is resistant to shock and impacts and is machinable by chip forming up to the 3rd layer . The welding of a buffer layer is only necessary with base materials critical to weld. In this case preheating in the range of 200-250C is recommended. Suitable for flame and inductive hardening.