FONTARGEN A/AF 314

FONTARGEN A 7111 MWire electrode of Cr-Si steel for surfacingEN 14700: S Fe 2Material-no.: 1.4718Composition, typical analysis (% w/w):C Mn Cr Si0,5 0,5 9,0 2,5Characteristics / Applications:Welding of tough, abrasion proof depositions on machine parts made of constructionsteel, cast steel or manganese hard steel. For transport rolls, running wheels, creeperbands, edge grinders, excavator parts, conveyor worm screws, rolling crushers, pavingbreakers, rolling mill guiding devices cams, clamps, baffle plates, mixer arms, anvils.Untreated welding deposit can only be machined by grinding. Soft-annealing: 780-820°C/5h. Hardening: 1.020-1.070°C/oil or compressed air. Preheat base metals thatare susceptible to cracking to 200-300°C. For base materials with high susceptibility tocracking, weld intermediate (buffer) layer with E 107 or A 107 M.Hardness of pure welding deposit (shielding gas: CO 2 )+20°C:Hardness (Vickers):670 – 775 HVHardness (Rockwell)56 -- 62 HRCCurrent mode:DCWelding process:MAGMShielding gas (DIN EN 439): C1 (CO 2 ), M12 (Ar + 3 % CO 2 ),M13 (Ar + 3 % O 2 ), M21 (Ar + 18 % CO 2 )Availability: Diameter (mm): 0,8/1,0/1,2/1,6Spool type:B300Welding position: according to DIN EN 287PA PB PC PD PE PF PG08/08/Eb/0170