Element | Si | Fe | Cu | Mn | Mg | Zn | Ti | Cr | Other Elements | Al |
6061 Alloy (%) | 0.4 - 0.8 | ≤ 0.7 | 0.15 - 0.40 | ≤ 0.15 | 0.8 - 1.2 | ≤ 0.25 | ≤ 0.15 | ≤ 0.15 | Not more than 0.05% for each, total not more than 0.15% | Balance |
6061 aluminum plate in “T651” temper has the highest price, but generally lower than other pre-stretched heat-treatable alloys such as 2024 and 7075.
Physical Performance Indicators | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HB) |
6061-O | 110 - 140 | 55 - 75 | Low |
6061-T6 | 290 - 310 | 240 - 270 | High |
6061-T651 | 310 | 275 | Medium |