FONTARGEN A/AF 314

FONTARGEN A 751 MFlexible wire for hardfacing by autogenous procedureEN 14700: S Fe 20Welding deposit:Tungsten-carbide in Ni-C-B-Si-matrixComposition, typical analysis (% w/w):Si Fe Mn Cu Zn Ti Al12,0 0,5 0,1 0,1 0,1 0,1 RemainderCharacteristics / Applications:For extreme strong abrasion wear in the ceramic and lime stone industry, as well asmixer blades, mixer arms, edges as well as application on press-spirales, slip offsegments,sludge rotors and similar parts.Base materials:Steels and cast ironInstructions:The deposit zone has to be grinded or rayed metallic clean. The deposit zone shouldhave temperatures of 600 - 700°C. Melt-off drop by drop with a little excess gas flameof acetylen-oxygen and pickup. The dap technique is preferred. Do not meltdown thebase metals. It is comparable with brazing.Mechanical properties of pure welding deposit(Min. values at RT):Melting range: approx. 950 – 1050°CHardness of tungsten carbide: HV 50 2500-3000Hardness of matrix hard material: HV 10 900-1000Hardness of nickel matrix:Percentage of tungsten carbidesIn the welding deposit: 65 %320-370 HVSize of tungsten carbides: primarily (45%): 0,3-0,7 cmsecondarily (20%): 38-75 μHeat sources:Acetylene torchAvailability: Diameter (mm): 0,8/1,0/1,2Spool type:Special spool: D400Weight per spool: 15,- kgWelding position: according to DIN EN 287PA PB PC PD PE PF PG08/08/Eb/0171