Self-shielded open arc wire SK A 45-O is used for hardfacing of structural parts subject to extremely high abrasive wear caused by dust, cement, by blending and sintering slag at elevated working temperatures up to 600° C, such as sinter crushers and fire grate bars, blast furnace bells in the baffle area, coating of the slides of coke discharging machines, blower carrying wheels, hammer crushers for cement and brick crushing, delivery chutes of blast furnaces, mixer blades.
Features
Finishing by grinding is generally not necessary due to the very good welding characteristics and smooth seam surface