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7a04 large diameter aluminum forged disc aviation aluminum forgings
7A04 aluminum forging round disc is a high strength aluminum alloy, which is widely used in various industries that require high strength and corrosion resistance. The material has excellent processing performance and can be forged, extruded, and rolling. In this article, we will introduce the chemical composition, mechanical properties, characteristics, and applications of 7A04 aluminum forging round disc.
Characteristics
1. High Strength: 7A04 aluminum forging round disc has excellent mechanical properties, with a high tensile strength and yield strength.
2. Good Corrosion Resistance: The material can resist corrosion from seawater, air, and alkali, which makes it suitable for marine engineering and other fields that require high corrosion resistance.
3. Excellent Processing Performance: The material can be forged, extruded and rolled, with good processing performance, and can be produced into a variety of shapes and specifications.
4. Low density: The density of 7A04 aluminum forging round disc is 2.77 g/cm³, which is only one-third of the density of steel, which can reduce the weight of the structure.
5. High Temperature Resistance: 7A04 aluminum forging round disc has good high-temperature resistance, which can maintain good mechanical properties at high temperatures.
Chemical Composition
7A04 aluminum forging round disc is mainly composed of aluminum, magnesium, zinc, and copper. The specific chemical composition is shown in the table below:
Chemical Composition (%) Min Max
Aluminum (Al) 93.5 -
Magnesium (Mg) 1.8 2.8
Zinc (Zn) 5.0 6.5
Copper (Cu) 0.20 0.40
Iron (Fe) - 0.50
Manganese (Mn) - 0.50
Silicon (Si) - 0.40
Mechanical Properties
The mechanical properties of 7A04 aluminum forging round disc are excellent, with high strength, good toughness, and excellent corrosion resistance.
Tensile Strength (MPa) ≥550
Yield Strength (MPa) ≥485
Elongation (%) ≥10
Hardness (HB) ≥190
Fatigue Strength (MPa) ≥140
Applications
1. Aerospace Industry: 7A04 aluminum forging round disc is mainly used in aviation and aerospace industries, such as aircraft structural parts, helicopter rotors, and spacecraft structural parts.
2. Marine Engineering: The material has excellent corrosion resistance, which is suitable for marine engineering, such as marine hulls and other structural parts.
3. Transportation: The material is used in the transportation industry, such as high-speed trains, subway trains, and automotive structural parts.
4. Sports Equipment: 7A04 aluminum forging round disc is used in sports equipment such as bicycles, racing cars, and golf clubs, due to its high strength, light weight, and good processing
performance.
Conclusion
In conclusion, 7A04 aluminum forging round disc is an excellent high-strength aluminum alloy with good mechanical properties, excellent corrosion resistance, and good processing performance. It is widely used in aviation, marine engineering, transportation, and sports equipment industries, due to its unique properties. With the development of technology, 7A04 aluminum forging round disc will surely play an increasingly important role in various fields.
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