12.07.2015 Views

FONTARGEN A/AF 314

FONTARGEN A/AF 314

FONTARGEN A/AF 314

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<strong>FONTARGEN</strong> A 842High temperature gold base brazing alloyEN ISO 3677: B-Au 82 Ni – 950AWS A 5.8: B Au – 4AMS:4787 APratt & Whitnay: 698Composition, typical analysis (% w/w):AuNi82 18Mechanical and physical properties:Working temperature: 1000°CMelting range:950°C (Eutectic)Specific gravity:9,8 g/cm³Shear strength:441 N/mmGap width:0,04 – 0,08 mmOxidation resistance: 815°CCharacteristics / Applications:The main application area of this alloy is the beam engine construction. It is used forjoints of alloyed steel and nickel alloys where high strength, as well as high temperaturecorrosion resistance is demanded. Suitable for the following materials: Fe/Cr, Mo/W,Ni, Ni/Cu, Ni/Fe, Fe/Co, steel, kovar and vacon.Heat sources:Inert gas furnace:Oxygen (dew point: -51°C)Argon (dew point: -63 °C)Vacuum furnace:Vacuum 0,15 Pa (1x 10 -3 Torr)Availability:Bare Coatedrods rodsWire Foil Preforms Powder Paste07/08/SR/094

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