Aluminium Alloy Tempers and Heat Treatment Symbols

According to Aerospace Material Specifications (AMS) standards.

Specification Alloy and Product or Process Covered
AMS 2201 Tolerances for rolled, drawn, cold-finished, and centerless ground wire, rod, bar and
forging stock
AMS 2202 Tolerances for sheet and plate
AMS 2203 Tolerances for drawn tube
AMS 2204 Tolerances for rolled or extruded standard structural shapes
AMS 2205 Tolerances for extruded rod, bar, shapes and tube
AMS 2468 Hard-coating of aluminum alloys
AMS 2469 Process and performance requirements for hard-coating
AMS 2470 Chromic-acid anodizing of aluminum alloys
AMS 2471 Clear Sulfuric-acid anodizing of aluminum alloys
AMS 2472 Dyed sulfuric-acid anodizing of aluminum alloys
AMS 2473 Chemical conversion treatments for aluminum alloys
AMS 2474 Low electrical resistivity chemical conversion treatments for aluminum alloys
AMS 2770 Heat treatment of wrought aluminum alloy parts
AMS 2808 Identification marking of forgings
AMS 2815 Line Code identification marking of welding wire
AMS 2816 Color code identification marking of welding wire
AMS 4001 1100-0 sheet and plate
AMS 4003 1100-H14 sheet and plate
AMS 4006 3003-0 sheet and plate
AMS 4008 3003- H14 sheet and plate
AMS 4015 5052-0 sheet and plate
AMS 4016 5052-H32 sheet and plate
AMS 4017 5052-H34 sheet and plate
AMS 4021 Alclad 6061-0 sheet and plate
AMS 4025 6061-0 sheet and plate
AMS 4026 6061-T4 sheet and T451 plate
AMS 4028 2014-0 sheet and plate
AMS 4029 2014-T6 sheet and plate
AMS 4031 2219-0 sheet and plate
AMS 4035 2024-0 sheet and plate
AMS 4036 Alclad one side 2024-T3 sheet and T351 plate
AMS 4037 2024-T3 sheet and T351 plate
AMS 4040 Alclad 2024-0 sheet and plate
AMS 4041 Alclad 2024-T3 sheet and T351 plate
AMS 4044 7075-0 sheet and plate
AMS 4045 7075-T6 sheet and T651 plate