Aluminum Round Bar 2024-T351 Cold Finish is a high-strength, copper-based alloy widely utilized in the aerospace industry for its exceptional fatigue resistance and high yield strength. The T351 temper indicates the material has been solution heat-treated and stress-relieved by stretching, ensuring it remains incredibly stable and resists warping during high-speed machining. This cold-finished round stock features a smooth, polished surface and tight diameter tolerances, making it the perfect choice for precision-engineered components like gears, shafts, and bolts. Known for its high strength-to-weight ratio, it is the standard for structural parts that must endure heavy tension and cyclic loading without failure. Although it offers excellent machinability, this alloy should be anodized or clad for optimal protection against corrosion in exposed environments. By selecting 2024-T351 aluminum round bar, you are choosing a reliable, high-tension material.
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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
0.8125
Alloy
2024
Temper
T351
Production Method
Cold Finish
Metal Type
Aluminum
Shape
Bar-Round
Brand
Online Approved Seller
Tolerance
+/- 0.125"
Weight/Lineal Foot
2.628 pounds
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Mechanical Properties

Density g/cm^3
3
Ultimate Tensile Strength KSI
67
Brinell Hardness 500 kg load
120
Yield Tensile Strength KSI
47
Elongation % in 2 in.
13
Melting Point °F
935 - 1180
Shear Strength KSI
41
Rockwell Hardness B Scale
75
Electrical Conductivity % IACS
30
Machinability %
70
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Chemistry Information : 2024 Aluminum

Element
Percentage
Element
Percentage
Element
Percentage
Al
93.5
Cr
0.1  max
Cu
3.8 - 4.9
Mg
1.2 - 1.8
Fe
0.5  max
Mn
0.3 - 0.9
Si
0.5  max
Zn
0.25  max
Ti
0.15  max
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