



板/板
钣金
棒条/金属板
管道/型材
7079
AMS 4024 / AlZn4Mg3Cu / 7079 / T651
化学性质 | % 值 |
Silicon (Si) | 0,00 - 0,30 |
Chromium (Cr) | 0,10 - 0,25 |
Manganese (Mn) | 0,10 - 0,30 |
Magnesium (Mg) | 2,90 - 3,70 |
Copper (Cu) | 0,40 - 0,80 |
Titanium (Ti) | 0,00 - 0,10 |
Iron (Fe) | 0,00 - 0,40 |
Zinc (Zn) | 3,80 - 4,80 |
Aluminium (Al) | Balance |
物理特性 | 值 |
Density | 2.81 g/cm³ |
Melting Point | 635 °C |
Thermal Expansion | 23.5 x 10^-6 /K |
Modulus of Elasticity | 72 GPa |
Thermal Conductivity | 134-160 W/m.K |
Electrical Resistivity | %40 IACS |
机械性能 | 值 |
Proof Strength | 448 MPa |
Yield Strength | 558 MPa |
Shear Strength | 360 MPa |
Elongation A50 mm | 11% |
Hardness | 150 HB |
The 7079 T651 aluminum alloy is known for its high mechanical strength, excellent corrosion resistance, and machinability. The T651 temper, achieved through heat treatment, provides the alloy with high hardness and durability. These properties make 7079 T651 ideal for high-performance applications, particularly in industries such as aerospace, automotive, defense, and other demanding sectors. Additionally, 7079 T651 aluminum is suitable for anodizing, which enhances its surface appearance while increasing corrosion resistance, making it perfect for long-lasting performance in harsh environments like outdoor and maritime applications.
In terms of weldability, 7079 T651 aluminum alloy can be successfully welded using the appropriate welding techniques. However, due to its high hardness and strength, welding requires careful handling. Proper heat treatment and welding methods are essential to ensure strong and reliable welds. Regarding bending, 7079 T651 aluminum is more challenging to bend compared to more flexible alloys due to its increased hardness, but it can still be shaped with the right machinery, although extra care is required during the bending process.
The corrosion resistance of 7079 T651 is outstanding, especially in harsh environments such as seawater, making it ideal for maritime and outdoor structural applications. Additionally, 7079 T651 is suitable for use in high-vibration environments, which makes it advantageous for industries such as aerospace, automotive, and defense. Its high durability and long-lasting performance increase the reliability of 7079 T651 in these demanding applications.
The advantages of 7079 T651 aluminum alloy include high mechanical strength, corrosion resistance, anodizing compatibility, weldability, and suitability for high-vibration environments. However, its high hardness and strength can present challenges during welding and bending processes. Additionally, this alloy may not be as easy to machine as more flexible alloys. Despite these challenges, 7079 T651 is an excellent choice for industrial applications requiring high performance and durability.
Plates per; 7079 T651, ASTM B209, AMS 4024, UNS A97079, ISO AlZn4Mg3Cu
Choosing Factors for 7079 T651
- Strength: Excellent
- Machining: Good
- Weldability: Poor
- Formability: Average
- Corrosion Resistance: Good
- Heat Treating: Yes
Some Well-Known Applications for 7079 T651
In the mobile industry equipments,
As a component of hydraulic power units,
It is also used in aircraft wings and fuselages.
- Plate