6061 is one of the most commonly used grades aluminum grades in the world. Whether it’s an aluminum sheet, aluminum plate, aluminum bar, or aluminum angle, 6061 is the choice for a wide range of applications, including boats, furniture, and structural applications.

So, what makes 6061 so versatile? Like with any grade, it starts with the makeup of the metal. Its major alloying elements are magnesium (1.0%) and silicon (0.6%). This makes it highly resistant to corrosion, stress, and cracking. This also means the grade features good formability and weldability.

Aluminum 6061

What is the difference between 6061 and 6063 aluminum?

6063 is another commonly used grade of aluminum and is often compared to 6061. Both 6061 and 6063 are made up of magnesium and silicon as their primary alloying elements, meaning they exhibit many of the same properties. The difference between 6061 and 6063 is mainly in the end use. 6063 is a common grade used for custom extrusions. Its high corrosion resistance and good formability make it one of most joinable alloys.

However, 6061 angle is the most commonly used aluminum for structural applications. In general, 6061 features higher strength (tensile strength range is 20 to 42 KSI) than 6063.

What is the difference between 6061 and 7075 aluminum?

Strength makes the primary difference between 6061 and 7075 aluminum. For example, 7075 exhibits very high strength-to-weight ratio. In fact, 7075 provides the greatest strength available in aluminum bar. It is widely used in aircraft applications where light weight plus strength are required, not to mention a high exposure to heat.

6061 Aluminum Sheet

6061 T6 is one of the most common materials in the world. The T6 refers to the temper or degree of hardness, which is achieved by precipitation hardening. This grade has a good strength-to-weight ratio and is also heat-treatable. With great formability and weldability, it is used for engineering and structural applications, boats, furniture, and more.

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6061 Aluminum Angle

Aluminum Angle 6061 is the most commonly used aluminum for structural applications. This grade has a great strength-to-weight ratio and is excellent for welding.

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6061 Aluminum Plate

This grade is one of the more versatile out of the heat-treated alloys. It is commonly used for flooring, ramps, and stairs due to its toughness and great corrosion resistance.

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6061 Aluminum Bar

Aluminum bar grade 6061 is the most commonly used and among the most versatile aluminum alloy. Known for its strength, workability, corrosion resistance and ease of joining, aluminum bar grade 6061 is in use across a wide variety of industries and applications. Its machinability is not as strong as in the 2000 series.

Cold finished rounds and hexes conform to AMS QQ-A-225/8 and ASTM B211, while extruded rounds, squares and rectangles conform to AMS QQ-A-200/8 and ASTM B211.
When extruded, 6061 square bar is easily cut, welded, and machined for many uses demanding high strength-to-weight ratio and corrosion resistance. In fact, most extruded round items of this grade are specially ordered to restricted diameter tolerances for ready use in screw machines.

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