6061-T6 aluminum sheet is a popular alloy known for its excellent mechanical properties and versatile applications. Here are some of its key characteristics:

1. **High Strength**: 6061-T6 aluminum sheet offers good strength-to-weight ratio, making it suitable for structural applications where strength is important.

2. **Excellent Corrosion Resistance**: It exhibits good resistance to corrosion, especially in outdoor environments, making it suitable for marine and architectural applications.

3. **Good Workability**: It can be easily machined, welded, and formed, allowing for a wide range of fabrication processes.

4. **Heat Treatable**: The T6 temper designation indicates that the alloy has been solution heat-treated and artificially aged, resulting in improved strength and hardness.

5. **Versatility**: 6061-T6 aluminum sheet is used in various industries such as aerospace, automotive, marine, construction, and consumer goods due to its combination of strength, corrosion resistance, and workability.

6. **Moderate Cost**: While not the cheapest aluminum alloy, 6061-T6 offers a balance between cost and performance, making it economically viable for many applications.

Overall, 6061-T6 aluminum sheet is valued for its combination of strength, corrosion resistance, and versatility, making it a popular choice across numerous industries.