Chemical Composition of AISI 2024 Aluminium Primary Elements Elements Min Max Al (Aluminum ) Bal - Si (Silicon ) 0 0.5 Mg (Magnesium ) 1.2 1.8 Other Elements Elements Min Max Ti (Titanium ) 0 0.15 Cr (Chromium ) 0 0.1 Mn (Manganese ) 0.3 0.9 Mn (Manganese ) 0.3 0.9 Fe (Iron ) 0 0.5 Cu (Copper ) 3.8 4.9 Cu (Copper ) 3.8 4.9 Zn (Zinc ) 0 0.25