Aluminum Round Bar 7075-T6 Cold Finish is an ultra-high-strength alloy designed for mission-critical applications that demand the highest mechanical performance available in aluminum. Often referred to as "aircraft-grade," the T6 temper indicates the material has been solution heat-treated and artificially aged to achieve a tensile strength that rivals many structural steels. The cold-finish process provides this round stock with exceptional dimensional accuracy and a smooth surface, making it the premier choice for high-speed precision machining and automated lathe work. It is primarily utilized for highly stressed components such as aerospace gears, shafts, and performance automotive parts where a superior strength-to-weight ratio is non-negotiable. While it offers incredible hardness and durability, it is generally recommended to use protective coatings or anodizing for long-term corrosion resistance in harsh environments.
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Diameter
0.4375
Alloy
7075
Temper
T6
Production Method
Cold Finish
Metal Type
Aluminum
Shape
Bar-Round
Brand
Online Approved Seller
Tolerance
+/- 0.125"
Weight/Lineal Foot
2.182 pounds
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Mechanical Properties

Ultimate Tensile Strength KSI
83
Density g/cm^3
3
Yield Tensile Strength KSI
73
Brinell Hardness 500 kg load
150
Rockwell Hardness B Scale
87
Melting Point °F
890 - 1180
Shear Strength KSI
48
Electrical Conductivity % IACS
33
Machinability %
70
Elongation % in 2 in.
11
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Chemistry Information : 7075 Aluminum

Element
Percentage
Element
Percentage
Element
Percentage
Al
90
Cr
0.18 - 0.28
Cu
1.2 - 2
Fe
0.5  max
Mg
2.1 - 2.9
Mn
0.3  max
Si
0.4  max
Ti
0.2  max
Zn
5.1 - 6.1
Zr+Ti
0.25  max
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