Aluminum alloy,base,Al 70-75,Si 20-22,Cu 2.2-3,Ni 2.2-2.8,Fe 0-0.7,Mg 0.2-0.5,Cr 0.2-0.4,Mn 0.2-0.3,Ti 0.1-0.3 (VKZhLS-2)
CAS No. 12743-95-2
AKOS BB-7592 937672-26-9
AKOS BC-2593 937669-68-6