2024 T851 Aluminum Aerospace High-Strength Cold Finished Bar
What is 2024 T851?
Aluminum 2024-T851 is a high-strength, heat-treated aluminum alloy commonly used in aerospace, automotive, and structural applications requiring excellent fatigue resistance and load-bearing capabilities. The T851 temper provides enhanced strength through a controlled heat treatment and stress-relief process.
Specifications & Availability
Common Forms: Round Bar, Square Bar, Flat Bar, Rod
Diameter Range: Typically 6mm to 300mm+
Standards:
· ASTM B211 – Standard for aluminum bars, rods, and wires
· AMS 4120 – Aerospace Material Specification for 2024-T851
· AMS 4037 – Plate and sheet specification
Chemical Composition of 2024 T851 Aluminum Aerospace Cold Finished Bar
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Each | Total | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Minimum | — | — | 3.8 | 1.2 | 0.3 | — | — | — | — | — | — |
| Maximum | 0.5 | 0.5 | 4.9 | 1.8 | 0.9 | 0.1 | 0.25 | 0.15 | 0.05 | 0.15 | Remainder |
Mechanical Properties of 2024 T851 Aluminum Aerospace Cold Finished Bar
| Temper | Ultimate Tensile Strength | Yield Strength | Elongation (%) | Hardness (Brinell) |
|---|---|---|---|---|
| KSI | MPa | KSI | MPa | |
| T851 | 70 | 480 | 40 | 270 |
Stock list of 2024 T851 Aluminum Aerospace Cold Finished Bar
Alloy and Temper | Shape | Diameter | Length |
2024 T851 | ROUND | 10mm | 2500mm |
2024 T851 | ROUND | 20mm | 2500mm |
2024 T851 | ROUND | 30mm | 2500mm |
2024 T851 | ROUND | 40mm | 2500mm |
2024 T851 | ROUND | 50mm | 2500mm |
2024 T851 | ROUND | 60mm | 2500mm |
2024 T851 | ROUND | 70mm | 2500mm |
2024 T851 | ROUND | 80mm | 2500mm |
2024 T851 | ROUND | 90mm | 2500mm |
2024 T851 | ROUND | 100mm | 2500mm |
2024 T851 | ROUND | 110mm | 2500mm |
2024 T851 | ROUND | 120mm | 2500mm |
2024 T851 | ROUND | 130mm | 2500mm |
2024 T851 | ROUND | 140mm | 2500mm |
2024 T851 | ROUND | 150mm | 2500mm |
2024 T851 | ROUND | 160mm | 2500mm |
2024 T851 | ROUND | 170mm | 2500mm |
2024 T851 | ROUND | 180mm | 2500mm |
