Henan Gnee New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of 2024 t3 t351 ground aluminum rod in China. With abundant experience, we warmly welcome you to wholesale high quality 2024 t3 t351 ground aluminum rod in stock here from our factory. Good service and reasonable price are available.
2024 Centerless Ground Aluminum Rod Overview
Commonly available in T3, T4, and T351 tempers, 2024 centerless ground aluminum rod (Al-Cu, high strength) satisfies GB/T 3190-2020 and GB/T 3191-2019 specifications. For high-precision assembly and CNC machining, precision centerless grinding guarantees ≤0.005 mm roundness, ≤0.2 mm/m straightness, and ±0.02 mm diameter tolerance.
T3 temper offers high-load stability with a tensile strength of ≥450 MPa. It is less expensive and heavier than steel of the same strength. Superior turning, milling, and drilling machinability, clean surface finish, and long tool life-fit for precision machinery, automobile parts, and aerospace.
Chemical composition (GB/T 3190-2020)
| Element | Content (%) |
| Si | ≤ 0.50 |
| Fe | ≤ 0.50 |
| Cu | 3.8–4.9 |
| Mn | 0.3–0.9 |
| Mg | 1.2–1.8 |
| Cr | ≤ 0.10 |
| Zn | ≤ 0.25 |
| Ti | ≤ 0.15 |
| Zr | - |
| Others | Each ≤ 0.05, total ≤ 0.15 |
| Al | Balance |
Mechanical properties (GB/T 3191-2019)
| Temper | Tensile strength (MPa) | Yield strength (MPa) | Elongation | Brinell hardness (HB) |
| T3 | ≥ 450 | ≥ 310 | ≥ 8 | ≥ 120 |
Precision parameters & sizes for 2024 ground aluminum rod
High geometric accuracy precision centerless grinding: roundness ≤ 0.005 mm, straightness ≤ 0.2 mm/m, and diameter tolerance ±0.02 mm.
Both conventional and non-standard bespoke sizes are available to facilitate mass production and high-precision assembly.
Consistent dimensional accuracy appropriate for ultra-precision operations such as sliding-head (guide-bushing) CNC lathes.
For high-speed cutting, high straightness guarantees no discernible vibration at ≥ 8,000 rpm.
Double-end chamfer for automatic bar feeding that is jam-free and seamless.
The OD is optimized by the turned bar head procedure to fit various fittings and machines.
Coarse-grain ring ≤ 0.5 mm, which successfully prevents snowflake banding and white spots.
A refined alloy's microstructure increases yield and decreases stringy chips.
Reduced stress For high-precision products, the 2024 T651 condition reduces machining distortion and works well with carbide equipment.
Application fields of 2024 ground aluminum rod
The 2024 Ground Aluminum Rod is used extensively in many different industries because it combines high strength, strong dimensional stability, and superior machinability.
Aerospace
utilized for rivets, wing ribs, skin fastener interfaces, and other structural components that bear weight. 2024 rods provide the necessary fatigue strength and dimensional accuracy while maintaining a low weight to enhance fuel efficiency and flying performance because these components are subjected to vibration and complicated stresses while in flight.
Automotive manufacturing
Used in high-performance automobiles and racing vehicles on drive shafts, suspension parts, and chassis members. Lightweight characteristics reduce vehicle mass, enhance handling stability and acceleration responsiveness, and enable the vehicle to endure high-speed impacts and dynamic stresses.
Precision machinery
Used for precision shafts, mold attachments, and high-precision guide posts that require excellent surface polish and strict dimensional tolerances. Consistent assembly and reliable operation are guaranteed by the usual accuracy (±0.02 mm tolerance, < 0.005 mm roundness) and good cutting behavior.
Sporting goods
Used in premium bicycle frames, mountaineering equipment, and ski equipment when high strength and low weight are needed to balance longevity and performance in outdoor and competitive settings.
Machining & surface finishing for 2024 ground aluminum rod
Machining performance
From prototypes to mass production, 2024 rods are suitable for drilling, tapping, milling, and turning.
They preserve dimensional consistency and throughput while operating steadily on sliding-head lathes, automated lines, and CNC machining centers.
Chips shatter uniformly, decreasing tool wear, improving tool life, and minimizing long-chip wrapping.
Even at 8,000 rpm and higher, stable high-speed machining without noticeable chatter is supported by high straightness and tight OD tolerance.
For dimensional stability and surface finish in series manufacturing, use carbide or HSS tools with the proper coolant.
Common surface finishing methods
A uniform, dense oxide film is created by anodizing, which significantly increases corrosion resistance, particularly in humid, outdoor, or marine situations. A variety of colors are available to combine attractiveness and functionality.
Where necessary, electroplating improves electrical contact by adding a metal layer to boost hardness and wear resistance.
For weathering and chemical resistance, painting or powder coating gives an additional layer of protection; colors and textures can be altered for branding and distinctiveness.
Purchasing & quality assurance for 2024 ground aluminum rod
International standards are followed in the production and testing of every batch.
For China, GB/T 3190-2020 and GB/T 3191-2019 specify mechanical characteristics, chemistry, and manufacturing precision.
International markets are covered by ASTM B211 for bars and rods made of aluminum and aluminum alloys.
Aerospace-grade specifications for structural applications are supported by AMS 4120 and AMS 4045.
Pearl-cotton interlayers, moisture-barrier film, and fumigated hardwood boxes are used in packaging to meet sea/air freight regulations and stop oxidation, deformation, or scratching during transportation. On-time delivery and comprehensive technical support are provided for both sample orders and large-volume purchases.
About us
Professional Packaging & Global Shipping Logistics
For GNEE 2024 ground aluminum rods, protecting the precision-ground surface is our priority:
- Multi-Layer Protection: We use pearl-cotton interlayers and moisture-barrier films to prevent oxidation and scratches.
- Secure Bundling: Rods are bundled with protective edge guards to maintain straightness during transit.
- Export-Grade Crating: All international shipments are packed in fumigated wooden cases designed for heavy-duty sea and air freight.
- Worldwide Delivery: We offer flexible shipping terms, including FOB, CIF, DDP, and DAP to over 70 countries.
About GNEE: Your Aerospace Aluminum Strategic Partner
GNEE Aluminum (GNEE Group) is a world-class manufacturer and exporter of metal materials based in Tianjin, China. Established in 2008, we have evolved into the market leader in Northern China, specializing in the processing and distribution of high-performance aluminum alloys for the global market.
GNEE Company Strengths
- 18+ Years of Expertise: Since 2008, GNEE has been the trusted supplier for aerospace and precision engineering sectors.
- 30,000 Tons of Perennial Stock: Our massive Tianjin warehouse holds an extensive inventory of 2024, 7075, and 6061 rods, ensuring 3-5 day lead times for stock items.
- Advanced Centerless Grinding: GNEE utilizes industry-leading grinding equipment to achieve tolerances that standard mills cannot reach.
- Global Quality Assurance: Every batch complies with ASTM, AMS, and EN standards, supported by 100% verified Mill Test Certificates (MTC).
FAQ
Q: Can a 2024 ground aluminum rod replace 6061?
A: 2024 can be used in place of 6061 when more structural strength is needed, particularly for sections that are subjected to strong static or cyclic loads. Unless combined with anodizing or protective coatings, 2024 is not advised for extended exposure to seawater or harsh environments due to its lesser corrosion resistance than 6061.
Q: What is the difference between T3 and T351?
A: To balance strength and elongation, T3 is solution heat treated, cold wrought, and organically aged. T351 is ideal for products that need high dimensional stability because it adds stress relief to lower the danger of deformation during precision machining.
Q: Are you able to provide examples and sizes that are customized?
A: In agreement. We can provide small-lot samples for machining trials, performance testing, or aesthetic approval, and we can cut to any necessary diameter and length. Lead times for stock and agreed-upon schedules for custom manufacture are typically 3–5 days.
Q: Which machining techniques are appropriate for ground aluminum rods made in 2024?
A: Drilling, tapping, milling, and turning are all appropriate. Longer tool life and improved surface quality are supported by the alloy's clean cutting and consistent chip breaking. For maximum accuracy and efficiency in large production, carbide tooling with coolant is advised.
Q: How can the quality of 2024 ground aluminum rods be guaranteed?
A: Every product that is shipped complies with GB/T, ASTM, and AMS requirements. 100% of the dimensions are verified, and the diameter tolerance is kept to ±0.02 mm. Fumigated crates, moisture film, and pearl-cotton packaging stop moisture from oxidizing, penetrating, and scratching during transit.
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