FIELD: chemistry.
SUBSTANCE: invention relates to components processed by precision turning, said components being obtained from extruded products of the rod, bar or even tube type made from a deformable aluminium alloy for precision turning. The alloy has the following composition, wt %: 0.8<Si<1.5, preferably 1.0≤Si<1.5; 1.0<Fe<1.8, preferably 1.0<Fe≤1.5; Cu <0.1; Mn <1, preferably <0.6; Mg 0.6-1,2, preferably 0.6-0.9; Ni <3.0%, preferably 1.0-2.0; Cr <0.25%; Ti <0.1%; other elements <0.05 each and 0.15 in total, aluminium - the balance. The subject of the invention is also a component made by precision turning of such an extruded product as defined above.
EFFECT: invention is aimed at improving cutting ability of aluminium-based alloys containing not more than 1,5% silicon.
7 cl, 3 ex, 3 tbl, 3 dwg
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