Features of 3× × × Series aluminum alloy: 
The main aluminum alloying element is manganese. 
Can not reinforcement by hot treatment process, but it can strengthen by cold treatment process. 
Good anti-corrosion, weldabiliy, plasticity. 
Application: Mainly used for seamless tube in the plan, can, conditioner, refrigerator, moisture enviroment. 
Kitchen utensils. 

Description: 
1. Tolerance: 
Thickness tolerance 1.5%, width tolerance 1mm 
2. Application and Usage: 
Building Material, Insulation, construction, Industry material, Decoration material, Shoes &Tents Eyes, Corner Beads, Automotive Industrial, POP Can Bottle and Cap, Deep drawing Case, light industry, TV back board, Traffic Sign, Kitchen utensils, PP caps, Cell mask and so on. 
3. Surfact Quality: 
Be free from Oil Stain, Dent, Inclusion, Scratches, Stain, Oxide Dicoloration, Breaks, Corrosion, Roll Marks, Dirt Streaks and other defect which will interfere with use, 
4. Mechenical Property: 
Chemical Composite and Mechanical Property could meet the requirements of GB/T, ASTM, ENAW, JIS Standard 
5. Value Added Service: 
1)Electroplating 
2)Annealed & pickled. 
3)Rolling, cutting, bending. 
4)Forging, minor fabrication, etc