aluminum alloy ingot,this product is one alloy which is made of aluminium,Znic and sillcon.and made for Galvalume. aluminum alloy ingot, ... this product's components is 55% Al,1.3-1.7 ... the RE(rare earth) into the Al-Zn-Si alloy, can Increase the flow of liquid, make the ... Roller sanks life span become longer and longer. aluminum alloy ingot