A process for the preparation of a forging piece of an aluminum alloy

摘要

aluminum alloy for forging, the 2.0 3.3 wt.% si, 0.2 to 0.6 wt.% mg and 0.01 to 0.1 wt.% ti and 0.0001 to 0.01 wt.% b; up to 0.15%.-% fe; an element and at least two elements selected from the from 0.001 to 0.01 wt.% of all; and 0.001 to 0.05 wt.% sr, 0.05 to 0.15 wt.% sb and 0.0005 to 0.01 wt.% ca; to 0.001%.-% p existing group, with the p / ca weight up to 1.0; and as the rest of al contains, with eutektisches si in the guu00dfgefu00fcge of aluminium alloy;an average particle size of up to 20 meters.