These aluminium alloys ie., Non heat treatable, include commercially pure aluminium and the aluminium alloys including manganese or magnesium. These alloys can be fully or partly softened by annealing at 350 - 400 deg Celcius.

A small number of typical example aluminium allows are listed below.

Grade.      AlMgMnFeSiCuZnCrTiRp
.02
RmENotes
  wt%wt%wt%wt%wt%wt%wt%wt%wt%MPa>MPaGPa 
AW-12000> 99% < 0.05  <=0,05<=0,1-<= 0,05259069Packaging foils
AW-1200Hx4> 99% < 0.05  <=0,05<= 0,1-<= 0,0510012069 
AW-30030Remain 1,0-1,5<= 0,7<=0,60,05
-0,2
<= 0,10--5011069,5Building Industry, Roofing
AW-3003Hx6Remain 1,0 - 1,5<= 0,7<=0,60,05
-0,2
<= 0,10--16518069,5 
AW-50050Remain0,5
-1,1
< = 0,2<= 0,7<= 0,2<= 0,2<= 0,25<= 0,10-4512069,5Building Industry, Roofing
AW-5005Hx6Remain0,5
-1,1
<= 0,2<= 0,7<= 0,2<= 0,2<= 0,25<= 0,10-16518069,5 
AW-50860Remain3,45
-4,5
0,2-0,7<= 0,5<= 0,4<= 0,1<= 0,250,05-
0,25
<= 0,1513027571Structures equipment Piping, tank
AW-5086Hx6Remain3,45
-4,5
0,2-0,7<= 0,5<= 0,4<= 0,1<= 0,250,05 - 0,25<= 0,1528034571 

Related References:
1. Annealing of Aluminum and Aluminum Alloys
2. Mechanism and Measurement of Work Hardening of Austenitic Stainless Steel During Plastic Deformation
3.Surface Hardening of Austenitic Stainless Steel with Nitrogen