FONTARGEN A/AF 314

FONTARGEN A 405 WAluminium-silicon welding rodEN ISO 18273: S Al 4043 (Al Si 5)DIN 1732: SG – Al Si 5AWS A 5.10: ER 4043Material-no.: 3.2245Composition, typical analysis (% w/w):Fe Si Cu Ti Al0,5 5,2 0,1 0,1 RemainderCharacteristics / Applications:Al-Si alloy with good fluidity. Welding on pure aluminium without surface-melting thebase material is possible. Discolouring when anodised.Welding of Al Si 5, Al Mg Si 0,5, Al Mg Si 0,8, Al Mg Si 1. Al and Al alloys with analloy content of max. 7%. Plates thicker than 15mm preheat to 150°C.Mechanical properties of pure welding deposit(Min. values at room temperature):Melting range: 573 – 625°CTensile strength:120 N/mm²Yield strength (0,2%):40 N/mm²Elongation (l=5d): 8 %Electrical conductivity:24 – 32 Sm/mm²Heat conductivity:170 W/m • KSpecific gravity:2,68 g/cm³Linear expansion: 22,1 • 10 -6 /KWelding process:TIG, gas weldingShielding gas (DIN EN 439): l 1 (argon)l 3 (argon/helium mixture)Current mode:Alternating currentFlux:For gas welding use flux F 400 M (powder,corrosive, low melting point).Availability: Diameter (mm): 1,6/2,0/2,4/3,2Length (mm): 1000Approval:DB (61.046.01/QS)Welding position: according to DIN EN 287PA PB PC PD PE PF PG06/08/Eb/0201