Differences Between 1060 and 6061 Aluminum Alloys

Source:小编 | Publish Time: 2026-03-10 | 281 Views

What is 1060 Aluminum?

1060 is a pure aluminum grade with an aluminum content of over 99.6%.

It boasts excellent thermal conductivity and is as soft as modeling clay.

6061 is a heat-treatable aluminum alloy fortified with magnesium and silicon.

It features high strength, low weight, and is ideal for anodizing.

It’s the top pick for most CNC machining projects.

Properties	1060 (O Temper)	6061 (O Temper)	6061 (T6 Temper)
Tensile Strength	110–130 MPa	124 MPa	310 MPa
Yield Strength	30–50 MPa	55 MPa	276 MPa
Elongation	30–40%	25%	12%
Electrical/Thermal Conductivity	Ultra-High (≈62% IACS)	Good	Good
Corrosion Resistance	Excellent (pure aluminum oxide film)	Good (better than carbon steel)	Good
Weldability	Excellent	Good	Good
Machinability	Fair	Excellent	Excellent
Formability	Excellent (deep drawing/bending)	Good	Fair

Simply put, it all boils down to your priority: strength or conductivity/thermal performance.

Choose 1060 if you need superior heat dissipation and easy formability.
Go for 6061 when high load-bearing capacity and precision machining are required.

At the end of the day, it’s all about the application.

Don’t over-engineer a heat sink into a heavy clunker just for the sake of high strength.

Take a look at the cut surfaces: 1060 has a bright, white finish, while 6061 is slightly darker.

If you’re ever unsure about the material grade, feel free to send us a sample.

We’d be happy to help you optimize material costs.

Choose 1060 for low-cost, high-conductivity, easy-forming, non-load-bearing applications.
Choose 6061 for high-strength structural components requiring heat treatment and precision machining.

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