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Material Name

Aluminum 6061-T651 | 3.3211 | 65028 | AlMg1SiCu

Material Type
Metal
Process Compatibility
CNC machining
Aluminum 6061-T651 | 3.3211 | 65028 | AlMg1SiCu

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The Aluminum 6061-T651 | 3.3211 | 65028 | AlMg1SiCu  is a multipurpose and heat-treatable aluminum alloy with outstanding mechanical strength and high corrosion resistance. Common to industries ranging between aerospace and CNC machining, 6061-T651 is the material that you reach when strength, weldability, and machinability matter.

Whether you’re looking to compare 6061-T651 vs 6061-T6 aluminum, source aluminum 6061-T651 sheet suppliers, or buy aluminum 6061 bar stock for CNC machining, this guide will help you make the best decision.

Why Aluminum 6061-T651?

Extreme Mechanical Strength

Aluminum 6061-T651 has a great tensile strength and hardness attributed to its tempering. It is pre-stressed (by stretching), reducing warping during machining, and is ideal in tight-tolerance components.

Excellent Anticorrosion

The composition of this alloy and particularly the silicon and magnesium contents render the alloy automatically resistant to atmospheric and chemical corrosion.

Excellent Machinability

For industries that rely on CNC operations, aluminum 6061 bar stock for CNC machining is highly preferred. It cuts clean and minimizes tool wear, thus making production affordable.

Typical Forms and Uses of Aluminum 6061-T651 | 3.3211 | 65028 | AlMg1SiCu 

Sheets & Plates

Looking for aluminum 6061-T651 sheet suppliers? Sheets and plates are extensively used as structural elements in aircraft panels, and even in the manufacture of consumer products, because of their balanced strength-to-weight ratio.

Flat Bars & Bar Stock

Engineers and machinists often buy 6061 aluminum flat bar online for projects that demand tight dimensional tolerances. It is used extensively in machine frames, fixtures, and auto parts.

Extrusion Profiles

6061 is also available as 6061 aluminum extrusion profiles, ideal for architectural frameworks, heat sinks, and modular assembly systems.

6061-T651 vs 6061-T6 Aluminum: What’s the Difference?

Aluminum 6061, both 6061-T6 and 6061-T651 temper are equally major tempers, but differ a bit:

Property 6061-T651 6061-T6
Stress-relieved? Yes, stretched to reduce internal stress No, not stress-relieved
Typical application CNC machining, precision parts General structural use
Dimensional stability Very high Moderate

When you require higher dimensional stability in critical machining applications, 6061-T651 is usually the solution.

Aluminum 6061-T651 Price Per Pound

One of the most asked questions is about the aluminum 6061-T651 price per pound. Quantities and prices vary with global markets in aluminum, the quantity of orders needed, and finishing requests.

6061-T651 generally costs between 3.00-4.50 a pound, although the larger packages and direct-milled sources can reduce your expenses. Whenever making a purchase, it is always advisable to compare vendors to get the best deal.

Feel Free to Buy 6061 Aluminum Flat Bar Online

Today’s online marketplaces make it easier than ever to buy 6061 aluminum flat bar online. Find suppliers that provide:

  • Mill test reports (MTRs)
  • Precision cuts that are CNC-ready
  • Low-cost shipping

Moreover, confirm whether they practice custom cutting so as to minimize wastage and the cost of machining.

Choose Aluminum 6061-T651 | 3.3211 | 65028 | AlMg1SiCu for Your Next Project

When selecting an aluminum alloy for your next project, Aluminum 6061-T651 | 3.3211 | 65028 | AlMg1SiCu stands out for its balanced performance, machinability, and broad availability. Whether you need aluminum 6061 bar stock for CNC machining, 6061 aluminum extrusion profiles, or are comparing 6061-T651 vs 6061-T6 aluminum, this alloy offers a proven track record across industries.

Contact trusted aluminum 6061-T651 sheet suppliers today or buy 6061 aluminum flat bar online for fast delivery and competitive pricing.

FAQs About Aluminum 6061-T651

Why is Aluminum 6061-T651 used?

It finds wide application in aircraft components, automotive chassis, marine castings, and components machined out of CNC machining that require precision tolerance.

Does 6061-T651 have an advantage over 6061-T6 during machining?

Yes. 6061-T651 is stress-relieved and will be less likely to warp when CNC milling, which is why it is popular in precision machined parts.

Is it possible to weld Aluminum 6061-T651?

Absolutely. It can be welded in all of the usual ways, but post-weld heat treatment might be needed to recover full strength.

How does stainless steel compare to Aluminum 6061-T651?

It is lighter, more machinable, and is usually more resistant to corrosion in an atmospheric environment, but is not as strong or heat resistant as stainless steel.

Where can I find reliable aluminum 6061-T651 sheet suppliers?

It is available on the shelves of many online distributors of metals and local service centers. Seek out ISO quality and on-time suppliers with an established reputation.

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