When you need aluminum raw material stock, the choice often comes down to thickness and alloy. Between a 6061-T6 plate and a 3003-H14 sheet, the decision affects machining, forming, and corrosion resistance. This head-to-head compares the listed specs and prices to help you pick.
Quick verdict
For heavy-duty machining or structural support, the 6061-T6 plate is the more substantial option. For lighter, formable sheet work, the 3003-H14 sheet is the practical choice. The listed prices are USD 158.08 for the plate and USD 29.58 for the sheet, a USD 128.50 difference. If you need to remove a lot of material in machining, the plate is the better foundation; if you need to form a shell, the sheet is the more practical starting point.
Price comparison
| Product | Listed Price | Price Bar |
|---|---|---|
| 6061-T6 Aluminum Plate | USD 158.08 | |
| 3003-H14 Aluminum Sheet | USD 29.58 |
Where each one wins
The 6061 plate wins on thickness and rigidity, offering a large machining allowance and a solid flat-bar profile. The 3003 sheet wins on corrosion resistance and formability, making it a better starting point for panels.
Alloy and performance
The 3003-H14 sheet has a typical yield strength of 21,000 psi and a typical tensile strength of 22,000 psi, giving you a clear specification for forming projections. The 6061-T6 plate comes as a T6-tempered flat bar with a solid profile, better suited for rigidity. Both are new and made in the US, so the decision narrows to gauge and alloy behavior.
Dimension and finish
The 6061-T6 plate measures 16" x 19" at 0.50" thick, while the 3003-H14 sheet measures 12" x 24" at 0.062" thick. The plate has a solid flat-bar shape, and the sheet has a mill finish. These physical traits drive the main trade-off: bulk versus bendability.
Product notes
1/2" x 16" x 19" ALUMINUM 6061 Sheet Plate .50" Thick T6 Solid Stock Cut New
This plate is a single 0.50-inch-thick 6061-T6 aluminum piece cut to 16" x 19" with a +/- .06" cut tolerance. The T6 temper gives it a solid, machinable profile, and the item is new and US-made. One concrete reason to choose it: the 0.50-inch thickness gives you real material to machine, drill, or tap without flex. One limitation: that same thickness is overkill for light sheet work, so it may not suit panels or covers. If your project involves cutting threads or setting inserts into a solid blank, this plate provides the depth you need.
1/16" Thick Aluminum Plate Sheet 12" x 24" 3003 Alloy Stock Mill Finish NEW
This is a 0.062-inch-thick 3003-H14 aluminum sheet measuring 12" x 24", with a mill finish and H14 temper. The alloy is corrosion-resistant, with typical yield strength of 21,000 psi and typical tensile strength of 22,000 psi, indicating good formability. One concrete reason to choose it: the thin gauge is easy to cut, bend, or shape, and the corrosion resistance works well for panels or enclosures. One limitation: at only 0.062 inches, it lacks the structural bulk of the heavier plate, so it is not intended for heavy load-bearing parts. For quick brackets, covers, or one-off enclosures, the sheet's size lets you lay out multiple small parts on one 12" x 24" blank.
Final choice by use case
Choose the 6061-T6 plate if you are making a fixture, jig, or machined component that requires the plate's rigidity. Choose the 3003-H14 sheet if you need a formable panel you can cut and shape to size.
