A Study of the Quench Sensitivity of 6061-T6 and 6069-T6 Aluminum Alloys

Table 1

The composition of extruded 6061 and 6069 alloys used in this study as well as 6061 sheet [4].

	Composition, %wt.
	Si	Fe	Cu	Mn	Mg	Cr	Ti	V	Ga	Zn
6061 (this study)	0.65	0.23	0.23	0.02	0.89	0.06	0.024	0.01	0.01	—
6069 (this study)	0.88	0.30	0.71	—	1.4	0.22	0.032	0.01	0.02	0.01
6061 (from [4])	0.66	0.38	0.23	0.12	0.98	0.12	0.014	—	—	0.07