2024-T351 Aluminum Round Bar
2024-T351 Aluminum Round Bar Overview
2024-T351 Aluminum Round Bar is a high-strength aluminum-copper-magnesium alloy bar used for applications requiring a high strength-to-weight ratio, good fatigue performance and reliable machinability.
The T351 condition combines solution heat treatment, controlled cold working, natural aging and stress relief. It is commonly selected for precision-machined aerospace, transportation and engineering components where strength and dimensional control are important.
SASA ALUMINUM supplies 2024-T351 aluminum round bar in standard and customized diameters, cut lengths and surface conditions according to customer drawings and applicable material specifications.
2024-T351 Round Bar Quick Information
Alloy / Temper: 2024-T351
UNS: A92024
European Designation: EN AW-2024 / AlCu4Mg1
Product Form: Aluminum Round Bar / Rod
Reference Standards: ASTM B211 / AMS 4120 / Applicable Customer Specification
Diameter: 6–305 mm and Custom Sizes
Length: Standard Length / Fixed Length / Cut-to-Size
Surface: Cold Finished / Bright / Machined as Required
Processing: Saw Cutting / CNC Machining / Drilling / Turning
Documentation: MTC and Inspection Documentation as Required
2024-T351 Aluminum Round Bar Specifications
| Item | Specification |
|---|---|
| Alloy | 2024 |
| Temper | T351 |
| UNS | A92024 |
| EN Designation | EN AW-2024 / AlCu4Mg1 |
| Reference Standards | ASTM B211 / AMS 4120 / AMS-QQ-A-225/6 or Agreed Specification |
| Diameter | 6–305 mm or Customized |
| Length | Standard / Fixed / Random / Cut-to-Size |
| Surface | Cold Finished / Bright / Machined / Customized |
| Processing | Cutting / Turning / Drilling / CNC Machining |
2024 Aluminum Bar Product Reference
The following images are retained from the original product page and show representative 2024 aluminum bar supply forms and surface conditions.
What Does T351 Mean for 2024 Aluminum?
T351 is a heat-treatment and stress-relief condition used with 2024 aluminum. It is based on solution heat treatment, cold working and natural aging, followed by controlled stress relief.
| Condition | Practical Meaning |
|---|---|
| Solution Heat Treated | Develops the alloy condition required for subsequent strengthening. |
| Cold Worked | Contributes to the required strength and final temper condition. |
| Naturally Aged | Material develops toward a substantially stable condition at room temperature. |
| Stress Relieved | Helps improve dimensional stability during subsequent machining. |
2024 Aluminum Chemical Composition
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|---|
| 2024 | ≤0.50% | ≤0.50% | 3.80–4.90% | 0.30–0.90% | 1.20–1.80% | ≤0.10% | ≤0.25% | ≤0.15% | Balance |
Typical 2024-T351 Mechanical Properties
Mechanical properties vary with bar diameter, production route and applicable specification. The following values are retained as general reference data from the existing product information.
| Property | Typical Reference |
|---|---|
| Ultimate Tensile Strength | Approx. 469 MPa |
| Yield Strength | Approx. 324 MPa |
| Elongation | Approx. 19% |
| Brinell Hardness | Approx. 120 HB |
Final acceptance values should be confirmed according to the ordered bar diameter, production condition and applicable specification.
Common 2024-T351 Round Bar Diameters
Common metric and imperial round-bar sizes can be reviewed according to production availability. Custom diameter and cut-length requirements can also be supplied subject to confirmation.
| Metric Sizes | Common Imperial Equivalents |
|---|---|
| 6 / 8 / 10 / 12 / 16 / 20 / 25 / 30 / 40 / 50 mm | 1/2″ / 5/8″ / 3/4″ / 1″ / 1-1/4″ / 1-1/2″ / 2″ |
| 60 / 70 / 80 / 90 / 100 / 120 / 150 / 180 / 200 mm | 2-1/2″ / 3″ / 3-1/2″ / 4″ / 5″ / 6″ |
| Up to approximately 305 mm subject to production review | Larger or non-standard sizes on request |
2024 Aluminum Round Bar Weight Reference
Theoretical bar weight can be used for quotation and logistics estimation. Actual shipment weight should be confirmed after production.
| Diameter | Approx. Weight |
|---|---|
| 10 mm | 0.212 kg/m |
| 20 mm | 0.848 kg/m |
| 25 mm | 1.325 kg/m |
| 30 mm | 1.909 kg/m |
| 50 mm | 5.301 kg/m |
| 100 mm | 21.206 kg/m |
| 150 mm | 47.713 kg/m |
| 200 mm | 84.823 kg/m |
The values above are theoretical references based on nominal dimensions and material density. Actual weight may vary with dimensional tolerance.
2024-T351 Material Characteristics
| Characteristic | Practical Value |
|---|---|
| High Strength-to-Weight Ratio | Suitable for weight-sensitive structural and aerospace components. |
| Good Machinability | Suitable for turned, drilled and CNC-machined precision parts. |
| Fatigue Performance | Commonly selected for cyclically loaded structural parts. |
| Stress-Relieved Condition | T351 helps improve dimensional control during machining. |
| Engineering Alloy | Widely used for demanding aerospace and precision engineering applications. |
Applications of 2024-T351 Aluminum Round Bar
| Aerospace Aircraft structural and machined parts | Shafts Precision rotating components | Gears & Fittings High-strength machined parts |
| Motorsport Lightweight performance components | Precision Machining CNC turned and milled components | Structural Parts High-strength engineering components |
Cutting & Machining Options
2024-T351 round bar can be supplied as full-length material or processed into blanks according to downstream machining requirements.
| Processing | Typical Requirement |
|---|---|
| Saw Cutting | Fixed-length blanks for machining |
| Turning | Diameter and surface preparation |
| CNC Machining | Precision custom components according to drawings |
| Drilling & Milling | Additional machining subject to component specification |
2024-T351 Aluminum Round Bar Packaging
Bars are packed according to diameter, unit length, surface condition and transportation requirements.
Frequently Asked Questions
What is 2024-T351 aluminum?
2024-T351 is a high-strength aluminum-copper-magnesium alloy supplied in a solution heat-treated, cold-worked, naturally aged and stress-relieved condition.
Is 2024-T351 suitable for CNC machining?
Yes. 2024-T351 is commonly selected for precision-machined components because of its strength, machinability and stress-relieved condition.
What is the difference between T4 and T351?
Both conditions involve solution heat treatment and natural aging, while T351 includes additional cold working and stress-relief requirements that make it useful for precision bar applications.
Can 2024-T351 round bar be cut to custom lengths?
Yes. Fixed-length bars and saw-cut blanks can be supplied according to required dimensions and machining allowances.
Can material certificates be supplied?
Material certificates and agreed inspection documentation can be supplied according to the confirmed order specification.
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Request a 2024-T351 Aluminum Round Bar Quote
Send your required diameter, length, quantity, material specification and destination. SASA ALUMINUM will review the bar condition and processing requirements before confirming the offer.
