7075 Aluminum For Extrusion

▹Applications

7075 T6 aluminum alloy is mainly used to manufacture aircraft structures and other high-stress structural parts that require high strength and high corrosion resistance, such as upper and lower wing panels and purlins. Also widely used in mold processing, mechanical equipment, fixtures, and so on.

▹Chemical Component

7075 aluminum alloy is aluminum, zinc, and magnesium alloy. It has high strength, excellent mechanical properties, and anode reaction. It is one of the most potent alloys in commercial use.

7075T6 aluminum round bar-fonnov aluminium

ALUMINIUM ALLOYSiFeCuMnMgCrZnTiZrOthersAl
70750.400.501.2-2.00.302.1-2.90.18-0.285.1-6.10.20——totally 0.15reminder

✣All compositions are in percent.

▹Physical Properties

Here is the tangible property of the aluminum alloy 7075.

Aluminium AlloyThermal Coefficient of Expansion
(20-100℃)
μm/m·k
Rm/Mpa
Melting Point
(℃)
Rp0.2/Mpa
Conductivity
20℃(68℉)
(%IACS)
Resistivity

20℃(68℉)
Ωmm2/m

Density
(20℃)(g/cm3)
Ωmm2/m
707523.5475-635330.05152.9

▹Comparison

CLICK FOR RELATED REFERENCE:

7075 VS 6061

▹7075 Aluminum Extrusion

7075 aluminum alloy is super hard, but it can still be extruded. However, 7075 cannot be extruded with a splitter die due to its low plasticity, and it cannot be hollow profiles. 7075T6 is common extrusion products. 7075 T6 aluminum has good plasticity after solution treatment and has excellent heat treatment strengthening effect. It has high strength below 150 degrees and has particularly useful low-temperature strength, poor weldability, stress corrosion cracking tendency, and double aging can improve anti-SCC performance. It has lower resistance to corrosion than many other aluminum alloys but has significantly better corrosion resistance than the 2xxx (2024, 2A12) alloys. Its relatively high cost limits its use, and its extrusion is also harder in production compared with other aluminium alloys.

Aluminium Alloy & TemperThickness

mm

Tensile Strength
Rm/Mpa
Yield Strength
Rp0.2/Mpa
Elongation /%

A

HBW
7075-T6≤25.005304606150
7075-T6>25.00-60.005404706150

✣The tested value is Min.

▹7075 Aluminum Bars (Rods)

Round bars, square bars, and hexagonal bars are widely used in various industries. The 7075 aluminum extruded round bars(aluminum rods) are mainly with 7075-O, 7075T6, 7075T651. The requested mechanical properties are as follows under the National Standard:

Aluminium Alloy & TemperThickness

mm

Tensile Strength
Rm/Mpa
Yield Strength
Rp0.2/Mpa
Elongation /%

A

HBW
7075-T6       7075-T651≤25.005404805150
7075-T6       7075-T651>25-100560500150
7075-T6       7075-T651>100-150550440150
7075-T6       7075-T651>150-200440400150
7075-O≤200.00≤275≤165860

✣The tested value is Min.

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