7075 Aluminium Bar

What’s a 7075 aluminium bar? aluminium bar 7075 introduction:

The 7075 alloy aluminium bar contains zinc and magnesium and is stronger than common aluminium alloys. However, it cannot be welded and its corrosion resistance is quite poor. Many CNC-cut parts are made from 7075 alloys. Zinc is the main alloying element in this series, with a small amount of magnesium alloy to enable the material to be heat treated to achieve very high strength properties. This series of materials is generally added to a small amount of copper, chromium and other alloys. 7075 aluminium alloy is particularly good, high strength, suitable for aircraft frames and high-strength parts.

7075 aluminium bar specifications:

Aluminium alloy: 7075

Alloy designations: AA7075, A7075, 7075A

Temper: T6, T651, T7351, O

Hardness: above 150 HB

Standard: GB/T 3880-2012, ASTM B209

Diameter: Φ10-90*3000MM, Φ90-190*2000MM, Φ190-310*1000MM, Φ310-700*1000MM

Aluminium round bar: mm-410 mm

Aluminium square bar: 7075 T651

7075 T6 aluminium bar chemistry composition / 7075-T6 data sheet:

 

ALLOY

Si

Fe

Cu

Mn

Mg

Cr

Ni

Zn

Ti

Zr

A1

7075

0.4

0.5

1.2~2.0

0.3

2.1~2.9

0.18~0.28

—

5.1~6.1

—

0.2

—

Remainder

7075 T651 aluminium bar mechanical properties/properties of alloy 7075-T651:

Temper	Antitensile strength N/m²	Elongation rate (%)	surface	Hardness
7075 T6	580 MPa	11	Black / Bright	Above 160 HB
7075 T651	595 MPa	14	Black / Bright	Above 160 HB

7075 T651 aluminium bar physical properties:

Aluminum bar	(20-100℃)	(℃)	20℃(68℉)	20℃(68℉)	(20°C)(g/cm³)
	μm/m·k	Rp0.2/Mpa	(%IACS)	Ωmm2/m	Ωmm2/m
	Rm/Mpa
7075-T6	23.5	475-635	33	0.0515	2.8

Aluminium bar 7075-T651 characteristics:

1. High-strength heat-treatable alloy.

2. Good mechanical properties.

3. Good serviceability.

4. Easy processing, excellent wear resistance.

5. Excellent corrosion resistance and oxidation resistance.

6. T7351 state enhanced corrosion resistance fracture

7. High-strength material for high-pressure structural parts.