Blue Demon Hardface HC420 1.2mm Gasless / Gas Back up 15kg

HardCover 420 (HC420) is a high chromium cast iron for hard surfacing components subject to extremely severe abrasive wear and moderate impact. The weld deposit contains a high proportion of hard primary chromium carbides in a tough austenitic matrix. HC420 is used for hardfacing components undergoing wear by earth, sand and abrasives. Typical Applications: Gyratory crusher cones and mantles Catalyst pipes and valves Slurry pipes and valve bodies Dredge pump bodies Sand dredge parts Extruder screws Mining and earth moving equipment Typical Wire Chemisty (As welded): C/5 Mn/1.5 Si/1.5 Cr/27 Fe/BAL Hardness, Hv (HRc): HRC/55 - 60 HB/520 - 578 AWS Classification: Hardfacing Welding Current: DCEN Shielding Gas: None Typical Mechanical Properties (As Welded): Hardness on 3 layers, Rc 60 - 62 Welding Positions: F,H