4" Aluminum Round Bar 2024-T351-Cold Finish

4-inch aluminum round bar is widely used in aerospace for large structural components. The T351 heat treatment ensures high strength, while cold working provides good dimensional accuracy and surface quality.

Diameter: 4 inches
Material: 2024 Aluminum Alloy, T351 Temper
Surface Finish: Cold drawn, providing good strength and corrosion resistance
Application: Widely used in aerospace and high-load structures

Material Meets These Standard(s): ASTM-B211, AMS-4120, AMS-QQ-A-225/6

4" Aluminum Round Bar 2024-T351-Cold Finish Specifications

Specification	Details
Diameter	4 inches
Maximum Length	144 inches
Material	Aluminum
Shape	Bar-Round
Alloy Type	2024
Temper	T351
Production Method	Cold Finished

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.)
Custom cuts supported

2024 T351 Aluminum Material Data Sheet

Property	Value
Density g/cm^3	3
Ultimate Tensile Strength KSI	67
Brinell Hardness 500 kg load	120
Yield Tensile Strength KSI	47
Elongation % in 2 in.	13
Melting Point °F	935 - 1180
Shear Strength KSI	41
Rockwell Hardness B Scale	75
Electrical Conductivity % IACS	30
Machinability %	70

Chemistry Information 2024 Aluminum

Weight%	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Other Each	Other Total	Al
Alloy 2024 USA	0.50 max	0.50 max	3.8-4.9	0.3-0.9	1.2-1.8	0.10 max	0.25 max	0.15 max	0.05 max	0.15 max	Rem
Alloy 2024A France	0.15 max	0.20 max	3.7-4.5	0.15-0.8	1.2-1.5	0.10 max	0.25 max	0.15 max	0.05 max	0.15 max	Rem