7075 T651 Aluminum Sheet
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| 7075 T651 Aluminum Sheet |
Description:
7075 aluminum plate is one of the highest strength aluminum alloys available. It has good machinability and an excellent strength to weight ratio, and it is a popular materials in applications where strength is extremely critical. 7075 aluminum plate is often used for highly stressed parts, and has average corrosion resistance, improved resistance is normally obtained by cladding parts. Welding is generally not recommended. 7075 is a heat treatable grade of aluminum, and sometimes used in place of 2024.
7075 Aluminum Sheet Features:
High Intensity. 7075 aluminum sheet is stronger than mild steel. After solution treatment, the plasticity is good, with high strength below 150℃ and excellent low temperature strength.
Strong Stress Corrosion. The stress corrosion performance of 7075 aluminum shee is better than that of 7A04, especially in the temper of 7075-t651.
Good Heat Treatment Strengthenin Effect. Zn is the main alloy element in 7075 aluminum sheet. Mg is added to the alloy containing 3%-7.5% Zn, so that the heat treatment strengthening effect of 7075 aluminum alloy is far better than that of Al-Zn binary alloy.
Other features. The plasticity under annealing and hardening conditions is slightly lower than 2A12 in the same state, but slightly better than 7A04, etc.
7075 Aluminum Sheet Chemical Composition:
|
Alloy |
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
Ti |
Others |
Aluminium min. |
|
|
Each |
Total |
||||||||||
|
7075 |
0.4 |
0.5 |
1.2-2.0 |
0.3 |
2.1-2.9 |
0.18-0.28 |
5.1-6.1 |
0.2 |
0.05 |
0.15 |
Remainder |
7075 Aluminum Sheet Mechanical Properties:
|
Hardness, Brinell |
150 |
150 |
AA; Typical; 500 g load; 10 mm ball |
|
Hardness, Knoop |
191 |
191 |
Converted from Brinell Hardness Value |
|
Hardness, Rockwell A |
53.5 |
53.5 |
Converted from Brinell Hardness Value |
|
Hardness, Rockwell B |
87 |
87 |
Converted from Brinell Hardness Value |
|
Hardness, Vickers |
175 |
175 |
Converted from Brinell Hardness Value |
|
Ultimate Tensile Strength |
572 MPa |
83000 psi |
AA; Typical |
|
Tensile Yield Strength |
503 MPa |
73000 psi |
AA; Typical |
|
Elongation at Break |
11 % |
11 % |
AA; Typical; 1/16 in. (1.6 mm) Thickness |
|
Elongation at Break |
11 % |
11 % |
AA; Typical; 1/2 in. (12.7 mm) Diameter |
|
Modulus of Elasticity |
71.7 GPa |
10400 ksi |
AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus. |
|
Poisson's Ratio |
0.33 |
0.33 |
|
|
Fatigue Strength |
159 MPa |
23000 psi |
AA; 500,000,000 cycles completely reversed stress; RR Moore machine/specimen |
|
Fracture Toughness |
20 MPa-m½ |
18.2 ksi-in½ |
K(IC) in S-L Direction |
|
Fracture Toughness |
25 MPa-m½ |
22.8 ksi-in½ |
K(IC) in T-L Direction |
|
Fracture Toughness |
29 MPa-m½ |
26.4 ksi-in½ |
K(IC) in L-T Direction |
|
Machinability |
70 % |
70 % |
0-100 Scale of Aluminum Alloys |
|
Shear Modulus |
26.9 GPa |
3900 ksi |
|
|
Shear Strength |
331 MPa |
48000 psi |
AA; Typical |
7075 Aluminum Sheet Sizes Information:
|
Thickness: |
1-600mm |
|
Width: |
100-3000m |
|
Length: |
500-16000mm |
|
Temper: |
O, T3, T4, T5, T6, T8, T651, T76, T7651, T7351, T451, T42, T62, T652, T851 etc. |
|
Standard: |
GB/T3880, GJB1541, GB/N167, JB2053, GJB2662, ASTM B209, ASME SB-209, EN 485, BS EN 573 |
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