6061 t6 and 6061 t651 aluminum plate

6061-t6-and-6061-t651-aluminum-plate.pdf

6061 aluminum alloy introduction

6061 aluminum alloy is a precipitation hardening alloy composed primarily of magnesium and silicon. It possesses medium-to-high strength and excellent corrosion resistance, weldability, processability, and machinability. 6061 aluminum alloy is commonly used to make structural elements. It is widely employed in a variety of industries due to its excellent connecting properties and coating acceptability.

Key Properties

Strength: 6061 has good mechanical qualities, combining strength and workability. It is frequently utilized for structural purposes.
Corrosion Resistance: The alloy is highly resistant to corrosion, especially when anodized.
Weldability: It is easily welded, making it ideal for fabrication.
Machinability: It is easily machined and may be shaped into a variety of shapes.

Heat Treatment

6061 can be heat treated to increase its strength. Common tempers include the following:
T6: Solution heat-treated and artificially aged, resulting in exceptional strength.
T651 is similar to T6, but it relieves stress, which improves dimensional stability.

Understanding the differences between 6061 T6 and 6061 T651

6061 T6 and 6061 T651 are both versions of the 6061 aluminum alloy, but the main differences are their heat treatment procedures and mechanical qualities.

6061 T6 aluminum plate

Heat Treatment: 6061 T6 implies that the alloy was solution heat-treated and then artificially aged.
Properties: This treatment has outstanding strength and corrosion resistance. It has a high tensile strength and is commonly utilized in applications that need structural integrity.
Applications include aeronautical, automotive, and maritime engineering, as well as the production of frames, structural components, and machinery.

6061 T651 aluminum plate

T651's heat treatment process is similar to that of T6, however it includes an additional step: It relieves stress through the process of stretching.
Properties: This additional stress-relieving technique minimizes internal strains and improves the material's performance under load. The mechanical qualities are similar to T6, but more stable, especially in longer lengths.
Applications: Commonly used in precision machined parts, structural applications, and components requiring dimensional stability and little warping.
6061 T6 is commonly used for general strength applications, while 6061 T651 is ideal for applications that require increased dimensional stability and lower internal stresses. The choice between them is determined by the project's specific requirements.

Mechanical properties of 6061 T6 and 6061 T651

Here's a table summarizing the mechanical properties of 6061 T6 and 6061 T651 aluminum alloys:

Notes

The values may vary slightly based on specific processing and material conditions.

6061 T651 aluminum sheet generally provides better dimensional stability and ductility compared to 6061 T6.

Summary

6061 T6 and 6061 T651 are two common tempering states of 6061 aluminum alloy. They have the same alloy composition and corrosion resistance and can be replaced with each other in many application scenarios. 6061 T651 is stretched based on 6061 T6 to eliminate internal stress.