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| Grade | 2017 |
| Temper | T4/T6/H112 |
| Standard | EN485-2008,GB/T3880-2018 |
| Thickness/ Size | Cumtom |
| Surface | brushed(thickness<50mm),polished(>50mm) the front side covers protect film(thickness<100mm) |
| other |
Aluminum alloy with copper as the main trace element.High strength hard aluminum, can be strengthened by heat treatment, the strength is only second to 7 series.Generally used in structural materials, but also for forging.Used for structural parts of aircraft, structure parts of building and transportation tools, mould, mechanical parts requiring high strength, cabinet shell,etc.
| Al: balance | ||||||
| Si | Fe | Cu | Mn | Mg | Zn | Cr | Ti |
| 0.2-0.8 | 0.7 | 3.5-4.5 | 0.4-1 | 0.4-0.8 | 0.25 | 0.1 | 0.15 |
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