Aluminum Round Bar 7075-T651 Cold Finish represents the pinnacle of high-strength aluminum alloys, engineered for extreme mechanical performance and maximum structural stability. The T651 temper indicates the material has been solution heat-treated, artificially aged, and stress-relieved by stretching, a process that virtually eliminates internal stresses to prevent warping during heavy machining. By utilizing a cold-finish process, this round bar achieves superior surface quality and ultra-tight diameter tolerances, making it the ideal choice for high-precision components like aerospace shafts, gears, and high-pressure hydraulic parts. With zinc as its primary alloying element, 7075-T651 offers a tensile strength that competes with many steel alloys while maintaining the lightweight benefits of aluminum. It is specifically designed to handle intense cyclic loading and high-stress environments found in the defense and performance automotive industries.
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Product Information

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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
0.9375
Alloy
7075
Temper
T651
Production Method
Cold Finish
Metal Type
Aluminum
Shape
Bar-Round
Brand
Online Approved Seller
Tolerance
+/- 0.125"
Weight/Lineal Foot
2.837 pounds
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Mechanical Properties

Density g/cm^3
3
Ultimate Tensile Strength KSI
80
Yield Tensile Strength KSI
67
Brinell Hardness 500 kg load
150
Elongation % in 2 in.
8
Melting Point °F
890 - 1180
Electrical Conductivity % IACS
33
Machinability %
70
Shear Strength KSI
48
Rockwell Hardness B Scale
87
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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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