0.875" Aluminum Hexagonal Bar 2024-T351-Cold Finish
The 0.875-inch hexagonal aluminum bar is manufactured using 2024 alloy in T351 temper and cold-finished for exceptional surface quality and dimensional accuracy. With its "across flats" measurement, this bar is ideal for use in demanding environments, including aircraft structure components, mechanical couplings, and heavy-duty assemblies.
  
0.875" Aluminum Hexagonal Bar 2024-T351-Cold Finish Specifications
| Specification | Details | 
| Across Flats | 0.875" | 
| Material | Aluminum | 
| Form | hexagonal bar | 
| Alloy Type | 2024 | 
| Max Length | 300 inches | 
| Temper | T351 | 
| Production Method | Cold Finished | 
0.875" Aluminum Hexagonal Bar 2024-T351 - Cold Finish More Informations
Features:
- High strength, excellent fatigue limit, suitable for long-term high-load use.
- Moderate corrosion resistance.
- High machinability, allowing for complex processing.
Applications:
- Supports and wing components for aircraft.
- Hexagonal fasteners in transportation and engineering equipment.
- Assembly parts requiring high load and strength.
Processing Method (Cold Finish):
- Cold drawing provides a polished surface and tight tolerances.
- Enhanced surface hardness improves wear resistance.
Select length below or Custom Cut
- 12" (1 ft.)
- 24" (2 ft.)
- 36" (3 ft.)
- 48" (4 ft.)
- 72" (6 ft.)
- 96" (8 ft.)
- 144" (12 ft.)
- 192" (16 ft.)
- 240" (20 ft.)
- 288" (24 ft.)
- 300" (25 ft.)
- Custom cuts supported
2024 T351 Aluminum Material Data Sheet
| Physical Properties | Metric | English | Comments | 
| Density | 2.78 g/cc | 0.1 lb/in³ | AA; Typical | 
| Mechanical Properties | |||
| Hardness, Brinell | 120 | 120 | AA; Typical; 500 g load; 10 mm ball | 
| Hardness, Knoop | 150 | 150 | Converted from Brinell Hardness Value | 
| Hardness, Rockwell A | 46.8 | 46.8 | Converted from Brinell Hardness Value | 
| Hardness, Rockwell B | 75 | 75 | Converted from Brinell Hardness Value | 
| Hardness, Vickers | 137 | 137 | Converted from Brinell Hardness Value | 
| Ultimate Tensile Strength | 469 MPa | 68000 psi | AA; Typical | 
| Tensile Yield Strength | 324 MPa | 47000 psi | AA; Typical | 
| Elongation at Break | 19 % | 19 % | AA; Typical; 1/2 in. (12.7 mm) Diameter | 
| Elongation at Break | 20 % | 20 % | AA; Typical; 1/16 in. (1.6 mm) Thickness | 
| Modulus of Elasticity | 73.1 GPa | 10600 ksi | AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus. | 
| Ultimate Bearing Strength | 814 MPa | 118000 psi | Edge distance/pin diameter = 2.0 | 
| Bearing Yield Strength | 441 MPa | 64000 psi | Edge distance/pin diameter = 2.0 | 
| Poisson's Ratio | 0.33 | 0.33 | |
| Fatigue Strength | 138 MPa | 20000 psi | AA; 500, 000, 000 cycles completely reversed stress; RR Moore machine/specimen | 
| Fracture Toughness | 26 MPa-m½ | 23.7 ksi-in½ | K(IC) in S-L Direction | 
| Fracture Toughness | 32 MPa-m½ | 29.1 ksi-in½ | K(IC) in T-L Direction | 
| Fracture Toughness | 37 MPa-m½ | 33.7 ksi-in½ | K(IC) in L-T Direction | 
| Machinability | 70 % | 70 % | 0-100 Scale of Aluminum Alloys | 
| Shear Modulus | 28 GPa | 4060 ksi | |
| Shear Strength | 283 MPa | 41000 psi | AA; Typical | 
| Electrical Properties | |||
| Electrical Resistivity | 5.82e-006 ohm-cm | 5.82e-006 ohm-cm | AA; Typical at 68°F | 
| Thermal Properties | |||
| CTE, linear 68°F | 23.2 µm/m-°C | 12.9 µin/in-°F | AA; Typical; Average over 68-212°F range. | 
| CTE, linear 250°C | 24.7 µm/m-°C | 13.7 µin/in-°F | Average over the range 20-300ºC | 
| Specific Heat Capacity | 0.875 J/g-°C | 0.209 BTU/lb-°F | |
| Thermal Conductivity | 121 W/m-K | 840 BTU-in/hr-ft²-°F | AA; Typical at 77°F | 
| Melting Point | 502 - 638 °C | 935 - 1180 °F | AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater. Eutectic melting is not eliminated by homogenization. | 
| Solidus | 502 °C | 935 °F | AA; Typical | 
| Liquidus | 638 °C | 1180 °F | AA; Typical | 
| Processing Properties | |||
| Annealing Temperature | 413 °C | 775 °F | |
| Solution Temperature | 256 °C | 493 °F | |
Chemistry Information 2024 Aluminum
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Zr | Ti | Standard | 
| 2024 | 0.50 | 0.50 | 3.8-4.9 | 0.30-0.90 | 1.20-1.80 | 0.10 | 0.25 | - | 0.15 | GB/AMS/EN | 
