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0.5625" Aluminum Hexagonal Bar 2024-T351-Cold Finish

This hexagonal aluminum bar is precision-engineered from 2024 alloy and treated to the T351 temper. The cold-finished process ensures a smooth surface and precise tolerances, making it ideal for high-strength applications requiring reliable machinability. The 0.5625-inch size refers to the "across flats" dimension, allowing compatibility with specific assembly configurations in aerospace, automotive, and industrial components.

Measurement Diagram of Aluminum Hexagonal Bar

0.5625" Aluminum Hexagonal Bar 2024-T351-Cold Finish Specifications

Specification Details
Across Flats 0.5625"
Material Aluminum
Form hexagonal bar
Alloy Type 2024
Max Length 300 inches
Temper T351
Production Method Cold Finished

0.5625" Aluminum Hexagonal Bar 2024-T351 - Cold Finish More Informations

Features:

  • High strength, especially fatigue strength.
  • Excellent machinability, suitable for precision processing.
  • Moderate corrosion resistance, suitable for environments with low stress corrosion cracking requirements.

Applications:

  • Small aerospace connectors and fasteners.
  • Hexagonal nuts and brackets in precision machinery.
  • Components requiring lightweight and high strength.

Processing Method (Cold Finish):

  • Processed by cold drawing for high surface finish and tight dimensional tolerances.
  • Enhanced mechanical properties (e.g., hardness and strength), ideal for precision applications.

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

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