1.25" Aluminum Hexagonal Bar 2024-T351-Cold Finish

This 1.25-inch hexagonal aluminum bar is engineered from 2024-T351 alloy and cold-finished for excellent surface finish and exact "across flats" measurement. It is ideal for applications requiring high fatigue resistance and precision machining, such as aircraft fittings, mechanical tools, and industrial equipment.

Measurement Diagram of Aluminum Hexagonal Bar

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

Specification	Details
Across Flats	1.25"
Material	Aluminum
Form	hexagonal bar
Alloy Type	2024
Max Length	300 inches
Temper	T351
Production Method	Cold Finished

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

Features:

Extremely high strength-to-weight ratio.
Excellent machinability for high-precision assembly parts.
Strong corrosion resistance, meeting aerospace and industrial requirements.

Applications:

High-strength frame components in the aerospace industry.
Support and fixing parts in engineering and transportation equipment.
Lightweight, high-strength engineering components.

Processing Method (Cold Finish):

Cold drawing provides exceptional dimensional accuracy and surface smoothness.
Surface ready for finishing and corrosion-resistant treatments.

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