2024 Aluminum Flat Bar |T4 T3511 for Aerospace use
2024 aluminum flat bars are widely used in aerospace, defense, transportation, and precision machining industries. They offer excellent strength-to-weight ratios, specially for aerospace structures requiring fatigue resistance and toughness. Tempers available in O, T4, T3, T351,T3511.
2024 Aluminum Flat Bar Stock Size
Parameter | Typical Range |
Alloy | 2024 |
Temper | O, T4, T3, T351,T3511 |
Width (W) | 10 mm – 300 mm |
Thickness (T) | 5 mm – 100 mm |
Length | 1000 mm – 6000 mm |
Tolerances | ±0.05–0.20 mm (depending on process) |
Standard | ASTM B221,ASTM B211,AMS 4120,AMS 4121 ,AMS QQ-A-200/3 |
Supply Form | Extruded, Saw-Cut, CNC Machining Stock |
Chemical Composition of 2024 Aluminum
Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Al |
2024 | 0.5 | 0.5 | 3.8–4.9 | 0.30–0.90 | 1.2–1.8 | 0.1 | 0.25 | Balance |
2024 t351 t4 Aluminum Bar Mechanical Properties
Alloy | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| 2024 | T4/T351 | 470 | 325 | 12–20 |
Aluminum 2024 Physical Properties
Alloy | Density (g/cm³) | Thermal Conductivity (W/m·K) | Electrical Conductivity (%IACS) | Melting Range (°C) |
2024 | 2.78 | 121 | 30 | 500–638 |
2024 Flat Bar Tolerances
Width tolerance: ±0.1–0.50 mm
Thickness tolerance: ±0.05–0.30 mm
Straightness: 0.3–0.8 mm per meter
Length Tolerances: ±50–100 mm
Cut-to-length available on request
Aluminum 2024 Flat Bar Surface & Finish Options
Cold-drawn bright finish
Polished / anodized / alodine
Testing
Ultrasonic inspection (for aerospace)
Applications of 2024 Aluminum Flat Bars
2024 T3 T4 T 3511 (Aerospace High-Fatigue Alloy)
Aircraft structural parts
Wing and fuselage components
Aerospace fittings and machined parts
High-load brackets and joints
Motorsport components
