6061 T4 aluminum sheet plate Vs 6061 T6 aluminum sheet plate

6061 aluminum sheet plate is known for its high strength, corrosion resistance, and excellent mechanical properties. Its common states include O, T4, T6, T651, etc. T4 and T6 are two common heat treatment states of 6061 aluminum sheet plate, which differ in performance and application.

The difference between 6061 T4 and 6061 T6 aluminum sheet plate

• Heat treatment method

6061 T4: Natural aging after solution heat treatment

6061 T6: Artificial aging after solution heat treatment (heating at 350-500°F for 12-24 hours)

• Mechanical properties

6061 T4 aluminum sheet plate has high ductility and good formability, but its tensile strength and yield strength are lower than 6061 T6 aluminum sheet plate.

• Thermal properties

The thermal conductivity of 6061 T6 aluminum sheet plate is slightly higher than that of 6061 T4 aluminum sheet plate.

• Processing properties

6061 T4 aluminum sheet plate is known for its higher formability than 6061 T6 aluminum sheet. Due to its high elongation, 6061 T4 aluminum sheet can complete quite strict forming operations and is suitable for cold processing such as bending tubes or plates. 6061 T6 aluminum sheet has higher strength and limited cold forming capabilities.

• Application areas

6061 T4 aluminum sheet plate: Suitable for applications requiring higher formability, such as aircraft panels, automotive panels, etc.

6061 T6 aluminum sheet plate: Widely used in applications requiring high strength, such as structural parts, mechanical parts, etc.

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