7075 T6 aluminum alloy is a material that stands out for its high strength and hardness, and is frequently preferred in industries requiring high performance, such as aerospace, defense, and automotive. This heat treatment (T6) condition maximizes both the tensile strength and hardness of the alloy, offering an excellent balance between lightness and durability. As a result, it provides an efficient solution for aircraft wings, landing gears, fuselage components, motorsport parts, mold making, and high-stress machine elements.

Its suitability for anodizing (anodize) improves the surface quality and corrosion resistance of 7075 T6. However, due to its relatively limited weldability, mechanical fastening methods such as riveting or bolting are generally preferred. Still, with the appropriate welding equipment, filler materials, and methods, welding can be performed to a limited extent. Despite its high hardness, limited bending is also possible using specific preheating and shaping techniques.

7075 T6 is a reliable choice for critical applications like aircraft structures because it can maintain its integrity under high vibration and fatigue loads. Moreover, its natural corrosion resistance is further enhanced after anodizing, extending the service life of the material even in harsh environments such as marine, humid, or industrial atmospheres. These properties make it a preferred alternative for both structural parts and functional components.

On the other hand, the high hardness and strength of 7075 T6 require careful machining. This necessitates the use of proper tools during manufacturing processes like cutting, drilling, or milling. Its advantages include high strength, lightness, corrosion resistance, adaptation to vibrating environments, and anodizing suitability, while its disadvantages include limited weldability and bendability and the need for higher precision in machining processes. This balance makes 7075 T6 a strategic choice in critical applications.
 

MATERIAL COMPOSITION STANDARDS

7075 T6 can conform to the following standards:
• 7075 T6 Sheet; AMS QQ-A-250/12, AMS 4045, ASTM B209, EN 2696
• 7075 T6 Alclad Sheet; AMS QQ-A-250/13, AMS 4049, ASTM B209, AIR 9048-280, BS 2 L88, WL 3.4374, DAN 424, EN 2092
• 7075 T6 Oneside Alclad Sheet; AMS QQ-A-250/18, AMS 4046, ASTM B209
• 7075 T6 Extrusion Seamless Tube; AMS QQ-A-200/11, AMS 4154, ASTM B241
• 7075 T6 Extrusion Rod; AMS QQ-A-200/11, AMS 4154, ASTM B221
• 7075 T6 Extrusion Flat Bar; AMS QQ-A-200/11, AMS 4154, ASTM B221
• 7075 T6 Extrusion Wire; AMS QQ-A-200/11, AMS 4154, ASTM B221
• 7075 T6 Cold Drawn Rod; AMS QQ-A-225/9, AMS 4122, ASTM B211
• 7075 T6 Cold Drawn Flat Bar; AMS QQ-A-225/9, AMS 4122, ASTM B211
• 7075 T6 Cold Drawn Wire; AMS QQ-A-225/9, AMS 4122, ASTM B211
• 7075 T6 Cold Drawn Seamless Tube; AMS-T-700/7, ASTM B210
Alloy 7075, UNS A97075, AlZn5.5MgCu, DIN 3.4365, A-Z5GU
 

Characteristic Properties of 7075 T6:

• Strength: Excellent
• Machinability: Good
• Weldability: Poor
• Formability: Moderate
• Corrosion Resistance: Low
• Heat Treatment: Yes
   

Some Well-Known Applications of 7075 T6:
Used in many places from supersonic aircraft to sewing machine equipment.
Shoe injection molds, nuclear reactors.
In hundreds of industries as coils, springs, flanges.
 

STOCK
7075 T6 is supplied in sheet, rod, and flat bar forms.

• Sheet
• Rod / Flat Bar