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7010

AMS 4203 / AlZn6MgCu / 7010 / T7351

Chemical Properties % Value
Silicon (Si)0,00 - 0,12
Chromium (Cr)0,00 - 0,05
Manganese (Mn)0,00 - 0,10
Magnesium (Mg)2,10 - 2,60
Copper (Cu)1,50 - 2,00
Titanium (Ti)0,00 - 0,06
Iron (Fe)0,00 - 0,15
Zinc (Zn)5,70 - 6,70
Aluminium (Al)Balance
Titanium + Zirconium (Ti+Zr)0,10 - 0,16
Physical Properties Value
Density2.81 g/cm³
Melting Point475 °C
Thermal Expansion23.7 µm/m.°C
Modulus of Elasticity71 GPa
Thermal Conductivity150 W/m.K
Electrical Resistivity%40 IACS
Mechanical Properties Value
Proof Strength420 MPa
Yield Strength520 MPa
Shear Strength300 MPa
Elongation A50 mm7%
Hardness85 HB

The 7010 T7351 aluminum alloy is known for its high strength and excellent mechanical properties. As part of the aluminum-zinc alloy family, it is primarily used in aerospace, space, and high-performance structural applications. The T7351 temper, achieved through a specific heat treatment process, provides the alloy with high durability and stress resistance. These characteristics make the 7010 T7351 alloy ideal for heavy-load-bearing applications requiring high durability and strength.

The 7010 T7351 aluminum alloy has limited suitability for anodizing. Its high zinc content prevents the formation of an effective oxide layer during anodizing, making it difficult to protect the alloy through this process. Instead, other coating methods are preferred to protect the material. In terms of weldability, the 7010 T7351 alloy requires careful welding techniques. The high zinc content increases the risk of cracking during welding, so special welding methods and appropriate filler materials are necessary to minimize this risk.

In terms of bending and forming, the 7010 T7351 aluminum alloy may present challenges due to its high strength. However, with the right processing techniques, successful bending and forming can be achieved. Additionally, the 7010 T7351 alloy is suitable for use in high-vibration environments. Its high durability and elastic modulus make it ideal for components in the automotive and aerospace industries, such as engine parts, chassis, and other vibration-resistant components.

Regarding corrosion resistance, the 7010 T7351 aluminum alloy has some limitations due to its high zinc content, which affects its resistance compared to other aluminum alloys. However, its corrosion resistance can be improved with proper coatings and surface treatments. The advantages of the 7010 T7351 alloy include high strength, durability, and lightweight properties, while its disadvantages include limited corrosion resistance and challenges in welding.

 

ALLOY DESIGNATIONS
 
7010 T7351 has the following standard designations and specifications.
 
Plates per; 7010 T7351, AMS 4203, ISO AlZn6MgCu, WNR 3.4394, UNS A97010
 

Choosing Factors for 7010 T7351

  • Strength: Very good
  • Machining: Good
  • Weldability: Poor
  • Formability: Poor
  • Corrosion Resistance: Excellent
  • Heat Treating: Yes
 

Some Well-Known Applications for 7010 T7351

It is used primarily in the aerospace industry,

Aircraft fuselage and wing parts,

It is also used in the nuclear industry.

 

SUPPLIED FORMS
 
7010 T7351 is produced/supplied in the plate form.
  • Plate
DELIVERY: