| F |
As fabricated (no mechanical property limits specified). |
| O |
Annealed – products that achieved the required annealed properties after hot forming processes may be designated as O temper. |
| O1 |
Thermally treated at approximately the same time and temperature required for solution treatment and slow cooled to room temperature (formerly designated as T41). |
| O2 |
Thermo-mechanically processed to enhance formability, such as required for super-plastic forming (SPF). |
| O3 |
Homogenized. |
| H12 |
Strain-hardened – 1/4 hard. |
| H14 |
Strain-hardened – 1/2 hard. |
| H16 |
Strain-hardened – 3/4 hard. |
| H18 |
Strain-hardened – 4/4 hard (fully hardened). |
| H19 |
Strain-hardened – extra hard. |
| Hxx4 |
Applies to embossed or patterned sheet or strip, fabricated from the corresponding Hxx temper. |
| Hxx5 |
Strain-hardened – applies to welded tubes. |
| H111 |
Annealed and slightly strain-hardened (less than H11) during subsequent operations such as stretching or levelling. |
| H112 |
Slightly strain-hardened from working at an elevated temperature from a limited amount of cold work (mechanical property limits specified). |
| H116 |
Applies to aluminium-magnesium alloys with a magnesium content of 4% or more and for which mechanical property limits and exfoliation corrosion resistance are specified. |
| H22 |
Strain-hardened and partially annealed – 1/4 hard. |
| H24 |
Strain-hardened and partially annealed – 1/2 hard. |
| H26 |
Strain-hardened and partially annealed – 3/4 hard. |
| H28 |
Strain-hardened and partially annealed – 4/4 hard (fully hardened). |
| H32 |
Strain-hardened and stabilized – 1/4 hard. |
| H34 |
Strain-hardened and stabilized – 1/2 hard. |
| H36 |
Strain-hardened and stabilized – 3/4 hard. |
| H38 |
Strain-hardened and stabilized – 4/4 hard (fully hardened). |
| H42 |
Strain-hardened and painted or lacquered – 1/4 hard. |
| H44 |
Strain-hardened and painted or lacquered – 1/2 hard. |
| H46 |
Strain-hardened and painted or lacquered – 3/4 hard. |
| H48 |
Strain-hardened and painted or lacquered – 4/4 hard (fully hardened). |
| W |
Solution heat-treated (unstable temper). The period of natural ageing (W2h..) may also be specified. |
| W51 |
Solution heat-treated (unstable temper) and stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for hand or ring forging and rolled ring). The products receive no further straightening after stretching. |
| W510 |
Solution heat-treated (unstable temper) and stress-relieved by controlled stretching (permanent set 1% to 3% for extruted rod, bar, shapes and tube, 0.5% to 3% for drawn tube). The products receive no further straightening after stretching. |
| W511 |
Same as W510 except minor straightening is allowed after stretching to comply with standard tolerances. |
| W52 |
Solution heat-treated (unstable temper) and stress-relieved by compressing to produce a permanent set of 1- 5%. |
| W54 |
Solution heat-treated (unstable temper) and stress-relieved by restriking cold in the finish die (die forging). |
| T1 |
Cooled from an elevated temperature shaping process and naturally aged. |
| T2 |
Cooled from an elevated temperature shaping process, cold worked and naturally aged. |
| T3 |
Solution heat-treated, cold worked and naturally aged. |
| T31 |
Solution heat-treated, cold worked approximately 1% and naturally aged. |
| T351 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and naturally aged. The products receive no further straightening after. |
| T3510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and naturally aged. The products receive no further straightening after stretching. |
| T3511 |
Same as T3510 except that minor straightening is allowed after stretching to comply with standard tolerances. |
| T354 |
Solution heat-treated stress-relieved by restriking cold in the finish die and naturally aged. |
| T36 |
Solution heat-treated, cold worked approximately 6% and naturally aged. |
| T37 |
Solution heat-treated, cold worked approximately 7% and naturally aged. |
| T39 |
Solution heat-treated and cold worked to an appropriate degree to achieve the specified mechanical properties. Cold work may be carried out before or after natural ageing. |
| T4 |
Solution heat-treated and naturally aged. |
| T42 |
Solution heat-treated and naturally aged. Applies to test material heat-treated from annealed or F temper or to products heat-treated from any temper by the user. |
| T451 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and naturally aged. The products receive no further straightening after stretching. |
| T4510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar shapes and tube, 0.5% to 3% for drawn tube) and naturally aged. The products receive no further straightening after stretching. |
| T4511 |
Same as T4510 except that minor straightening is allowed after stretching to comply with standard tolerances. |
| T452 |
Solution heat-treated, stress-relieved by compressing to produce a permanent set of 1% to 5% and naturally aged. |
| T454 |
Solution heat-treated, stress-relieved by restriking cold in the finish die and naturally aged. |
| T5 |
Cooled from an elavated temperature shaping process and then artificially aged. |
| T51 |
Cooled from an elavated temperature shaping process and then artificially aged in underageing conditions to improve formability. |
| T56 |
Cooled from an elevated temperature shaping process and then artificially aged – mechanical property level higher than T5 achieved through special control of the process (6000 series alloys). |
| T6 |
Solution heat-treated and then artificially aged. |
| T61 |
Solution heat-treated and then artificially aged in underageing conditions to improve formability. |
| T6151 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate) and then artificially aged in underageing conditions to improve formability. The products receive no further straightening after stretching. |
| T62 |
Solution heat-treated and then artificially aged. Applies to test material heat-treated from annealed or F temper or to products heat-treated from any temper by the user. |
| T64 |
Solution heat-treated and then artificially aged in underageing conditions (between T6 and T61) to improve formability. |
| T651 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and then artificially aged. The products receive no further straightening after stretching. |
| T6510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and then artificially aged. The products receive no further straightening after stretching. |
| T6511 |
Same as T6510 except that minor straightening is allowed after stretching to comply with standard tolerances. |
| T652 |
Solution heat-treated, stress-relieved by compressing to produce a permanent set of 1% to 5% and then artificially aged. |
| T654 |
Solution heat-treated, stress-relieved by restriking cold in the finish die and then artificially aged. |
| T66 |
Solution heat-treated and then artificially aged. Mechanical property level higher than T6 achieved through special control of the process (6000 series alloys). |
| T7 |
Solution heat-treated and then artificially overaged. |
| T73 |
Solution heat-treated and then artificially overaged in order to achieve the best stress corrosion resistance. |
| T732 |
Solution heat-treated and then artificially overaged in order to achieve the best stress corrosion resistance. Applies to test material heat-treated from annealed or F temper or to products heat-treated from any temper by the user. |
| T7351 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and then artificially overaged in order to achieve the best stress corrosion resistance. The products receive no further straightening after stretching. |
| T73510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and then artificially overaged in order to achieve the best stress corrosion resistance. The products receive no further straightening after stretching. |
| T73511 |
Same as T73510 except that minor straightening is allowed after stretching to comply with standard tolerances. |
| T7352 |
Solution heat-treated, stress-relieved by compressing to produce a permanent set of 1% to 5% and then artificially overaged in order to achieve the best stress corrosion resistance. |
| T7354 |
Solution heat-treated, stress-relieved by restriking cold in the finish die and then artificially overaged in order to achieve the best stress corrosion resistance. |
| T74 |
Solution heat-treated and then artificially overaged (between T73 and T76). |
| T7451 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and then artificially overaged (between T73 and T76). The products receive no further straightening after stretching. |
| T74510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar shapes and tube 0.5% to 3% for drawn tube) and then artificially overaged (between T73 and T76). The pro-ducts receive no further straightening after stretching. |
| T74511 |
Same as T74510 except that minor straightening is allowed after stretching to comply with standard tolerances. |
| T7452 |
Solution heat-treated, stress-relieved by compressing to produce a permanent set of 1% to 5% and then artificially overaged (between T73 and T76). |
| T7454 |
Solution heat-treated, stress-relieved by restriking cold in the finish die and then artificially overaged. |
| T76 |
Solution heat-treated and then artificially overaged in order to achieve a good exfoliation corrosion resistance. |
| T761 |
Solution heat-treated and then artificially overaged in order to achieve a good exfoliation corrosion resistance (applies to 7475 sheet and strip). |
| T762 |
Solution heat-treated and then artificially overaged in order to achieve a good exfoliation corrosion resistance. Applies to test material heat-treated from annealed or F temper or to products heat-treated from any temper by the user. |
| T7651 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and then artificially overaged in order to achieve a good exfoliation corrosion resistance. The products receive no further straightening after. |
| T76510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and then artificially overaged in order to achieve a good exfoliation corrosion resistance. The products receive no further straightening after stretching. |
| T76511 |
Same as T76510 except that minor straightening is allowed after stretching to comply with standard tolerances. |
| T7452 |
Solution heat-treated, stress-relieved by compressing to produce a permanent set of 1% to 5% and then artificially overaged in order to achieve a good exfoliation corrosion resistance. |
| T7454 |
Solution heat-treated, stress-relieved by restriking in the finish die and then artificially overaged in order to achieve a good exfoliation corrosion resistance. |
| T79 |
Solution heat-treated and then artificially overaged (very limited overageing). |
| T79510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and then artificially overaged (very limited overageing). The products receive no further straightening after stretching. |
| T8 |
Solution heat-treated, cold worked and then artificially aged. |
| T82 |
Solution heat-treated by the user, controlled stretched with a minimum permanent set of 2% and then artificially aged (alloy 8090). |
| T832 |
Solution heat-treated, cold worked a controlled specific amount and then artificially aged (applies to 6063 drawn tube). |
| T841 |
Solution heat-treated, cold worked and then artificially underaged (sheet and strip in alloys 2091 and 8090). |
| T851 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and then artificially aged. The products receive no further straightening after stretching. |
| T8510 |
Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, profiles and tube, 0.5% to 3% for drawn tube) and then artificially aged. The products receive no further straightening after stretching. |
| T8511 |
Same as T8510 except for minor straightening is allowed after stretching to comply with standard tolerances. |
| T852 |
Solution heat-treated, stress-relieved by compressing to produce a permanent set of 1% to 5% and then artificially aged. |
| T854 |
Solution heat-treated, stress-relieved by restriking cold in the finish die and then artificially aged. |
| T86 |
Solution heat-treated, cold worked approximately 6% and then artificially aged. |
| T87 |
Solution heat-treated, cold worked approximately 7% and then artificially aged. |
| T89 |
Solution heat-treated, cold worked to an appropriate degree to achieve the specified mechanical properties and then artificially aged. |
| T9 |
Solution heat-treated, artificially aged and then cold worked. |
