6020 Pb-free free -cutting precision drawn extruded aluminum bars

Dec 13, 2021

6020 Pb-free free-cutting precision drawn extruded aluminum bar is a kind of lead-free aluminum bar with high mechanical properties and the best cutting performance.It has excellent corrosion resistance,anodizing treatment and brazing properties.This kind of alloy has thin chips,excellent surface finishing and high speed cutting.The tensile strength of 6020 Pb-free free-cutting precision drawn extruded aluminum bar is 300Mpa in T8 temper.Typical applications are cylinder brake pistons,connectors,transmission valves and hydraulic system components.

Composition of 6020 Pb-free free -cutting precision drawn extruded aluminum bars

Si	Fe	Cu	Mn	Mg	Cr	Ni	Zn	Ti	Sn	Al
0.4-0.9	≤0.5	0.3-0.9	≤0.35	0.6-1.2	≤0.15	≤0.2	＜0.05	≤0.15	0.9-1.5	Rem

Mechanical properties of 6020 Pb-free free -cutting precision drawn extruded aluminum bars

Processing	Temper	mm Diam	Mpa Tensile Strength	Mpa Yield Strength	Elongation	HB Hardness
Drawn	T8	≤40	≥300	≥280	≥12	≥95
Drawn	T9	≤40	≥340	≥320	≥10	≥100
Extruded	T6	≤50	≥290	≥270	≥12	≥95