专利名称：Lead-free 6XXX aluminium alloy
发明人：Bartges, Charles W.,Klemp, Thomas J.,Scott, Gerald D.,Allyn, Matthew D.
申请号：EP04006855.3
申请日：19950915对雨
公开号：EP1464717A1
公开日：安第斯秃鹰
润肺养生茶20041006
李梦雅
行为事件访谈法专利内容由知识产权出版社提供ap蛮子
摘要：An aluminum-bad alloy with improved machining properties which is esntially free of lead, bismuth, nickel, zirconium and cadmium and consists esntially of 0.15-1.0 wt.% copper, 0.4-1.5 wt.% tin, 0.65-1.35 wt.% magnesium, 0.4-1.1 wt.% silicon, 0.002-0.35 wt.% mangane, up to 0.5 wt.% iron, up to 0.15 wt.% chromium and up to 0.15 wt.% titanium, the balance being aluminum, provided that when copper is below 0.51 wt.%, tin is at least 1.01 wt.%. There is further disclod an improved method for making screw machine stock or wire, rod and bar product from this allowy by casting, preheating, extruding, solution heat treating, cold finishing and thermally processing the afore-mentioned alloy composition.
申请人：Aluminium Company of America
地址：Alcoa Technical Center, 100 Technical Drive, Alcoa Center, PA 15069-0001 US 国籍：US
代理机构：Ebner von Eschenbach, Jennifer
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