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.       Al Mg Mn Fe Si Cu Zn Cr Ti Rp
.02		 Rm E Notes
    wt% wt% wt% wt% wt% wt% wt% wt% wt% MPa >MPa GPa  
AW-1200 0 > 99%   < 0.05     <=0,05 <=0,1 - <= 0,05 25 90 69 Packaging foils
AW-1200 Hx4 > 99%   < 0.05     <=0,05 <= 0,1 - <= 0,05 100 120 69  
AW-3003 0 Remain   1,0-1,5 <= 0,7 <=0,6 0,05
-0,2		 <= 0,10 - - 50 110 69,5 Building Industry, Roofing
AW-3003 Hx6 Remain   1,0 - 1,5 <= 0,7 <=0,6 0,05
-0,2		 <= 0,10 - - 165 180 69,5  
AW-5005 0 Remain 0,5
-1,1		 < = 0,2 <= 0,7 <= 0,2 <= 0,2 <= 0,25 <= 0,10 - 45 120 69,5 Building Industry, Roofing
AW-5005 Hx6 Remain 0,5
-1,1		 <= 0,2 <= 0,7 <= 0,2 <= 0,2 <= 0,25 <= 0,10 - 165 180 69,5  
AW-5086 0 Remain 3,45
-4,5		 0,2-0,7 <= 0,5 <= 0,4 <= 0,1 <= 0,25 0,05-
0,25		 <= 0,15 130 275 71 Structures equipment Piping, tank
AW-5086 Hx6 Remain 3,45
-4,5		 0,2-0,7 <= 0,5 <= 0,4 <= 0,1 <= 0,25 0,05 - 0,25 <= 0,15 280 345 71  

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