Aluminum Round Bar 7075-T7351 Cold Finish is a specialized high-strength alloy designed specifically to bridge the gap between extreme mechanical performance and enhanced durability in harsh environments. While standard 7075 alloys are susceptible to stress-corrosion cracking (SCC), the T7351 temper involves a specialized over-aging process that significantly increases resistance to corrosion and fracture toughness. This material is stress-relieved by stretching to ensure maximum dimensional stability, while the cold-finish process provides the tight diameter tolerances and smooth surface finish required for precision lathe work. It is a critical material for the aerospace and defense sectors, often used for hydraulic components, valve parts, and structural fasteners that must perform under high pressure without the risk of brittle failure.
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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
2.125
Alloy
7075
Temper
T7351
Production Method
Cold Finish
Metal Type
Aluminum
Shape
Bar-Round
Brand
Online Approved Seller
Tolerance
+/- 0.125"
Weight/Lineal Foot
6.298 pounds
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Mechanical Properties

Density g/cm^3
3
Yield Tensile Strength KSI
63
Ultimate Tensile Strength KSI
73
Brinell Hardness 500 kg load
135
Rockwell Hardness B Scale
82
Elongation % in 2 in.
8
Melting Point °F
890 - 1180
Shear Strength KSI
44
Machinability %
70
Electrical Conductivity % IACS
33
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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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