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5083 aluminum alloy powder · Aluminum-magnesium rust-resistant aluminum alloy powder
Excellent resistance to seawater corrosion · Superior weldability · Not hardenable by heat treatment 15–53 μm / 53–150 μm / -200 mesh ~ -400 mesh
Core Advantages of 5083 Aluminum Alloy Powder
Excellent resistance to seawater corrosion
Its high magnesium content (4.0–4.9%) imparts excellent resistance to seawater, marine atmospheric conditions, and industrial chemicals, making it one of the most corrosion‑resistant aluminum alloys.
Excellent welding performance
Suitable for TIG, MIG, and other welding processes, it produces welds with high strength that are resistant to cracking and exhibit stable post-weld performance.
Excellent low-temperature performance
Aluminum alloys exhibit increased strength at low temperatures, with 5083 alloy demonstrating particularly outstanding performance under cryogenic conditions, making it suitable for liquefied gas storage tanks and cryogenic equipment.
Not age-hardenable · Work-hardening
Strength is primarily enhanced through cold working deformation, with stable mechanical properties after welding and cold working, making it well suited for complex formed structures.
Product Real-World Photos & Microscopic Morphology
15–53 μm powder SEM
High sphericity ≥ 95%, narrow particle size distribution, and excellent flowability.
Real-life photos of the powder
Silver-gray powder, packaged in vacuum-aluminum foil bags or iron drums, with argon gas protection.
Ships/Chemical Industry/Low-Temperature Components
Hull structure, seawater piping, chemical storage tanks, liquefied gas storage tanks
5083 aluminum-magnesium rust-resistant aluminum alloy powder
5083 alloy is a quintessential grade within the Al–Mg series of corrosion‑resistant aluminum alloys, with magnesium (4.0–4.9%) as its principal alloying element, complemented by manganese (0.4–1.0%) and chromium (0.05–0.25%) for synergistic strengthening. This alloy is renowned for its outstanding resistance to seawater corrosion, excellent weldability, and favorable cold‑working characteristics, making it one of the most corrosion‑resistant among non‑heat‑treatable aluminum alloys. It exhibits particularly superior performance in seawater and industrial chemical environments. TIJO produces spherical 5083 powder using an inert‑gas atomization process, achieving a sphericity of ≥95%, excellent flowability, and an oxygen content of ≤1200 ppm. The powder is suitable for a variety of processes, including selective laser melting (SLM/LPBF), cold spraying, and powder metallurgy compaction. As a non‑heat‑treatable alloy, 5083’s strength is primarily enhanced through cold working; moreover, its strength increases at low temperatures, rendering it especially well suited for marine engineering, cryogenic equipment, and corrosion‑resistant structural components in the chemical industry.
Corresponding grade
| Standard system | Corresponding grade |
|---|---|
| China GB/T | 5083, LF4 |
| United States AA/UNS | 5083 / A95083 |
| Japanese JIS | A5083 |
| German DIN | AlMg4.5Mn |
| Europe EN | EN AW-5083 / AlMg4.5Mn0.7 |
| British BS | 5083 (N8) |
| International ISO | AlMg4.5Mn |
* Complies with GB/T 3190-2020 and ASTM B209 standards.
Chemical Composition (wt%)
| Element | Magnesium | Mn | Cr | If ≤ | Fe ≤ | Cu ≤ | Zn ≤ | Ti ≤ | Other individual ≤ | Other total ≤ | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Content range | 4.00-4.90 | 0.40-1.00 | 0.05-0.25 | 0.40 | 0.40 | 0.10 | 0.25 | 0.15 | 0.05 | 0.15 | Bal. |
* Complies with GB/T 3190-2020 and ASTM B209 standards. The specific composition shall be subject to the batch inspection report.
Physical Properties & Mechanical Properties
Physical properties
| Parameter | Typical value |
|---|---|
| Density | 2.66 g/cm³ |
| Solidus | 570-574℃ |
| Liquidus line | 638-645℃ |
| Elastic modulus | 69-72 GPa |
| Poisson's ratio | 0.33 |
| Thermal conductivity | 120-121 W/(m·K) |
| Coefficient of thermal expansion (20–100°C) | 23.4–24.5×10⁻⁶/K |
| Electrical conductivity | 28-29% IACS |
Mechanical Properties (Reference Values)
| Parameter | O state (annealed) | H32 condition (work-hardened and stabilized) |
|---|---|---|
| Tensile strength | ≈290 MPa | ≈330 MPa |
| Yield strength | ≈145 MPa | ≈240 MPa |
| Elongation | ≥22% | ≥10% |
| Brinell hardness | ≈77 HB | ≈87 HB |
* 5083 is a non‑heat‑treatable aluminum alloy, and the H32 temper is achieved through cold working followed by stabilization treatment.
Particle Size Specifications & Selection Guide
| Particle size specification | Loose packing density (g/cm³) | Oxygen content (ppm) | Recommended Process | Typical Applications |
|---|---|---|---|---|
| 15–53 μm | ≥1.2 | 800-1200 | SLM/LPBF laser printing | High-precision complex structural components, additively manufactured parts |
| 53-150 μm | 1.2-2.0 | 800-1200 | Cold spraying, powder metallurgy compaction | Large components, coatings, thermal spraying |
| -200 mesh | 1.0-1.6 | 800-1200 | Powder metallurgy compaction, cold spraying | General-purpose specifications, suitable for most scenarios. |
| -300 mesh | 0.8-1.2 | 1000-1500 | Fine powder metallurgy, MIM | Precision parts with complex shapes |
| -400 mesh | 0.7-1.0 | 1000-1500 | Fine powder metallurgy, MIM | High-precision micro parts |
* 15–53 μm is the standard recommended particle size; other sizes are available upon request. 5083 presents certain printing challenges during LPBF; we recommend using it in conjunction with optimized process parameters. Refer to the batch‑specific inspection report for detailed specifications.
Typical application areas
Naval Architecture and Ocean Engineering
Hull structure, decks, seawater piping, and offshore platforms—excellent resistance to seawater corrosion.
Transportation
High-speed train carriages, freight tanker bodies, automotive body panels, and transport equipment
Chemical equipment
Storage tanks, reaction vessels, corrosion-resistant piping, pressure vessels
Aerospace
Aircraft and missile components, cryogenic storage vessels, with excellent low-temperature performance.
Additive manufacturing
Complex topology-optimized parts, rapid functional prototyping, and integrated forming of intricate structures.
Cryogenics
Low-temperature experimental station equipment and liquefied gas storage tanks exhibit increased strength at cryogenic temperatures.
Architectural decoration
Curtain wall brackets and weather-resistant roofing structures, offering excellent weather resistance and workability.
5083 vs. related aluminum alloy powders
| Material Type | Key Features | Tensile strength (MPa) | Density (g/cm³) | Corrosion resistance | Main applications |
|---|---|---|---|---|---|
| 5083 | Excellent resistance to seawater corrosion, outstanding weldability, and non‑heat‑treatable strengthening. | 290-330 | 2.66 | Excellent | Ships, offshore engineering, and chemical equipment |
| 6061 | Heat-treatable, general-purpose, with excellent corrosion resistance | ≈310 | 2.70 | Good | General-purpose structural components, machined parts |
| AlSi10Mg | Cast aluminum alloy with excellent additive manufacturing compatibility. | ≈460 | 2.67 | Good | Additive Manufacturing Generic Structural Components |
| 7075 | Ultra-high strength, heat-treatable and age-hardenable | 510-572 | 2.81 | General | Aerospace load-bearing components |
| 6013 | Heat-treatable and strengthened, with balanced properties. | 300-400 | 2.71 | Good | Aerospace and automotive lightweighting |
| 5052 | Al-Mg series, excellent corrosion resistance | ≈260 | 2.68 | Excellent | General-purpose corrosion-resistant structural components |
5083 is one of the highest‑magnesium‑content, most seawater‑corrosion‑resistant alloys in the Al–Mg series, making it the material of choice for the shipbuilding and offshore engineering sectors.
Process Recommendations and Component Selection
| Craftsmanship | Recommended particle size | Key parameters | Post-processing |
|---|---|---|---|
| SLM/LPBF Additive Manufacturing | 15–53 μm | Laser power: 200–400 W; layer thickness: 30–60 μm; preheating temperature: 150–200 °C. | Stress-relief annealing |
| Cold Spray (CS) | 53–150 μm / -200 mesh | Gas temperature: 500–800°C; pressure: 3–5 MPa. | Stress-relief annealing |
| Powder metallurgy pressing + sintering | -200 mesh / -300 mesh | Press at 300–600 MPa, sinter at 550–620°C (in a protective atmosphere). | Cold working or annealing |
* 5083 cannot be strengthened by heat treatment; its strength is primarily enhanced through cold work hardening. Its mechanical properties remain stable after welding.
End-to-end testing capability
Each batch of 5083 powder is tested for major elements (Mg, Mn, Cr), impurities (Si, Fe, Cu, Zn, Ti), particle size distribution, oxygen content, flowability, and bulk/ tapped density. A Certificate of Analysis (COA) is provided.
Packaging & Delivery
Powder packaging
Double-layer aluminum foil bag, vacuum-sealed + iron drum/plastic drum
Specifications: 1 kg, 5 kg, 10 kg, 25–50 kg per drum
Delivery time
In stock; ships within 3–7 days after order confirmation.
Custom particle size or minor formulation adjustments: 7–15 days
Batch Traceability
Bulk product samples are retained, and COA reports are provided with the shipment.
MSDS available.
Free sample
Provide samples for validation of SLM, cold spray, and powder metallurgy processes.
Customized Services
Grain size customization
The Mg/Mn/Cr ratio can be finely adjusted according to customer requirements.
Technical Support
Provide guidance
Assist customers in resolving various issues that arise during use.
Inquire Now for Free Samples
Fill out the form on the right or contact us directly; we will provide product samples, technical data sheets, and price quotes to help you quickly complete your additive manufacturing process validation.
Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
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Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
