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7049A aluminum is a 7000-series aluminum alloy: the main alloying addition is zinc and it is formulated for primary forming into wrought products. 7049A is the Aluminum Association (AA) designation for this material. In European standards, it will be given as EN AW-7049A. AlZn8MgCu is the EN chemical designation.
It originally received its standard designation in 1972.
It has the lowest melting temperature among the 7000-series alloys in the database.
The properties of 7049A aluminum include three common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare 7049A aluminum to: 7000-series alloys (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
7049A-T6 Aluminum7049A-T6510 Aluminum
7049A-T6511 Aluminum
Aluminium / aluminum alloys have excellent corrosion resistance. They are sensitive to high temperatures in the range of 200 to 250°C (392 to 482°F), and could lose some of their strength. However, the strength of the Aluminium / aluminum alloys can be enhanced at subzero temperatures, making them ideal low-temperature alloys.
The Aluminium / aluminum 7049 alloy is a forging alloy. It has excellent resistance to stress corrosion cracking. The following datasheet will provide more details about the Aluminium / aluminum 7049 alloy.
Aluminium / aluminum alloys have excellent corrosion resistance. They are sensitive to high temperatures in the range of 200 to 250°C (392 to 482°F), and could lose some of their strength. However, the strength of the Aluminium / aluminum alloys can be enhanced at subzero temperatures, making them ideal low-temperature alloys.
The Aluminium / aluminum 7049 alloy is a forging alloy. It has excellent resistance to stress corrosion cracking. The following datasheet will provide more details about the Aluminium / aluminum 7049 alloy.
2.[aluminium alloy 7049/7049A /AlZn8MgCu]
Application:
Applications
The aluminium / aluminum 7049 alloy is mainly used in structural forgings, especially in the missile or aircraft industries.
The machinability of the aluminium / aluminum 7049 alloy is rated as good, especially in the heat-treated state. Lubricants should be used while machining.
Formability of the aluminium / aluminum 7049 alloy is done by hot forging or hot forming.
Solution heat treatment can be performed on the aluminium / aluminum 7049 alloy at 468°C (875°F) for a certain amount of time so as to ensure complete heating. This is then followed by a water quench. The 7049 alloy can be aged after the solution heat treatment
The aluminium / aluminum 7049 alloy is forgeable from 438°C (820°F) down to 382°C (720°F).
The aluminium / aluminum 7049 alloy can be hot worked from 438°C (820°F) down to 382°C (720°F).
Aging or precipitation hardening can be carried out for the aluminium / aluminum 7049 alloy in a two-step heat treating process. The first step involves allowing the product to remain at room temperature, then for 24 hours at 121°C (250 °F), and finally air cooled. For the second step, a 14-h aging process at 160°C (320° F) is carried out followed by air cooling for 14 h.
3.[aluminium alloy 7049/7049A /AlZn8MgCu]
Chemistry:
Aluminium / aluminum alloys have excellent corrosion resistance. They are sensitive to high temperatures in the range of 200 to 250°C (392 to 482°F), and could lose some of their strength. However, the strength of the Aluminium / aluminum alloys can be enhanced at subzero temperatures, making them ideal low-temperature alloys.
The Aluminium / aluminum 7049 alloy is a forging alloy. It has excellent resistance to stress corrosion cracking. The following datasheet will provide more details about the Aluminium / aluminum 7049 alloy.
The following table shows the chemical composition of the aluminium / aluminum 7049 alloy.
| Element | Content (%) |
|---|---|
| Aluminium / aluminum, Al | 88.7 |
| Zinc, Zn | 7.6 |
| Magnesium, Mg | 2.5 |
| Copper, Cu | 1.5 |
| Chromium, Cr | 0.15 |
The physical properties of the aluminium / aluminum 7049 alloy are outlined in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 2.6-2.8 g/cm3 | 0.0939-0.1011 lb/in³ |
The mechanical properties of the aluminium / aluminum 7049 alloy are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Elastic modulus | 70-80 Gpa | 10152-11603 ksi |
| Poisson's ratio | 0.33 | 0.33 |
The thermal properties of the aluminium / aluminum 7049 alloy are tabulated below.
| Properties | Conditions | ||
|---|---|---|---|
| Temp | Treatment | ||
| Thermal conductivity | 154 W/mK | 25ºC/77ºF | T73 |
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