L.M. dei F.lli Monticelli s.r.l. - Gruppo Montifin s.r.l. CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES OF ALUMINUM ALLOY EN AC 46100 UNI EN 1706:1999 Aluminum and aluminum alloys - Castings - Chemical composition and mechanical properties Al Si 9 Cu EN AC 46100 – Al Si 11 Cu 2 (Fe) Rule: Title: Group: Designation: The standard aluminium alloy used is EN AC 46100 – Al Si 11 Cu 2 (Fe). This alloy combines good phisical-mechanical properties and a good resistance to ossidation from corrosive agents. CHEMICAL COMPOSITION % ALLOY EN AC 46100 min max ELEMENTS Si Fe Cu Mn Mg Cr Ni Zn Pb Sn Ti Individual impurities Global impurities 10,0 12,0 0,45 1,0 1,5 2,5 0,55 0,30 0,15 0,45 0,45 1,7 0,15 0,20 0,05 0,05 MECHANICAL PROPERTIES EN 1706 DENOMINATION METALLURGICAL STATE AND CASTING PROCESS (1) EN AC 46100 EN AC-AlSi11 Cu2(Fe) DF MECHANICAL CHARACTERISTICS (2) R Rp(0,2) A HB N/mm2 N/mm2 % 240(*) 140(*) (1) DF = JET IN DIE CASTING (2) MINIMUM CHARACTERISTICS (EN 1706) AT ROOM TEMPERATURE R = BREAKING LOAD Rp0.2 = YIELD LOAD A = ELONGATION HB = BRINNELL HARDNESS <1(*) 80(*) CORROSION RESISTANCE (3) D 1 L.M. dei F.lli Monticelli s.r.l. - Gruppo Montifin s.r.l. CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES OF ALUMINUM ALLOY EN AC 46100 (3) A = EXCELLENT B = GOOD C = CORRECT D = MEDIOCRE E = DISCOURAGED F = SINCOMPATIBILE (*) ONLY INDICATIVE VALUES 2 SPECIFIC WEIGHT ELASTICITY MODULUS COEFFICIENT OF THERMAL EXPANSION 2,65-2,68 kg/dm3 E= 70000-78000 Mpa 20°C … 200°= 20 – 25 x10-6°C-1 REDUCTION FACTORS VALUES OF TRACTION STRENGHT AS A FUNCTION OF TEMPERATURE TEMPERATURE COEFFICIENT -250°C 1 0°C 1 50°C 1 100°C 0,85-0,9 150°C 0,7 Osimo, 23/11/2010 L.M. dei F.lli Monticelli Gruppo Montifin s.r.l. Quality Assurance Alessio Pristi APristi 200°C 0,5