6082 Aluminum Bars — T6 & T651 Round/Square/Hex/Flat Bar Supplier (EN AW-6082 / HE30)
HXM Aluminum supplies 6082 aluminum bars in T6, T651, T4, and O temper, available as round bars (Ø6–400mm), square bars, hex bars, and flat bars. Manufactured to EN AW-6082 / HE30 / AA6082 per EN 755-2, EN 573-3, ASTM B221/B211 standards. Ideal for structural, marine, automotive, and aerospace applications. MOQ: 500kg. Get a quote in 24h →
6082 Aluminum Bar — Product Specifications
| Alloy Designation | EN AW-6082 / HE30 / AA6082 / DIN 3.2315 |
| Available Shapes | Round Bar, Square Bar, Hex Bar, Flat Bar |
| Diameter / Size Range | Round: Ø6–400mm | Square: 10–200mm | Hex: 10–80mm | Flat: 3×20–100×300mm |
| Available Tempers | T6, T651, T4, T451, O (Annealed), F (As-fabricated) |
| Standards | EN 755-2 (extruded), EN 754-2 (drawn), ASTM B221, ASTM B211, JIS H4040 |
| Surface Finish | Mill finish, anodized, polished, brushed, powder coated |
| Length | Standard: 3000mm / 6000mm | Custom cut-to-length available |
| Tolerance | EN 755-3 / EN 755-8 (extruded), EN 754-3 (drawn precision) |
| Density | 2.70 g/cm³ (0.098 lb/in³) |
| Melting Range | 595–650°C |
| Minimum Order Quantity | 500 kg (trial orders negotiable) |
| Lead Time | 7–15 days (stock items) | 15–25 days (production) |
| Certification | ISO 9001:2015, EN 10204 3.1/3.2 MTC, RoHS, REACH |
| Packaging | Wooden pallet / wooden case with anti-corrosion paper, suitable for sea freight |
| Incoterms | FOB, CIF, CFR, DAP, EXW |
Available Sizes & Tolerances
Round Bar — Diameter & Tolerance (EN 755-3)
| Diameter Range | Tolerance (±mm) | Standard Length | Available Temper |
|---|---|---|---|
| 6 – 18 mm | ±0.22 | 3000 / 6000 mm | T6, T651, T4, O |
| 18 – 30 mm | ±0.28 | 3000 / 6000 mm | T6, T651, T4, O |
| 30 – 50 mm | ±0.35 | 3000 / 6000 mm | T6, T651, T4, O |
| 50 – 80 mm | ±0.42 | 3000 / 6000 mm | T6, T651 |
| 80 – 120 mm | ±0.50 | 3000 / 6000 mm | T6, T651 |
| 120 – 200 mm | ±0.65 | 3000 / 6000 mm | T6, T651 |
| 200 – 400 mm | ±0.90 | 3000 / 6000 mm | T6, T651 |
Square Bar — Size & Tolerance
| Width (mm) | Tolerance (±mm) | Standard Length |
|---|---|---|
| 10 × 10 – 30 × 30 | ±0.30 | 3000 / 6000 mm |
| 30 × 30 – 60 × 60 | ±0.42 | 3000 / 6000 mm |
| 60 × 60 – 120 × 120 | ±0.60 | 3000 / 6000 mm |
| 120 × 120 – 200 × 200 | ±0.85 | 3000 / 6000 mm |
Hex Bar — Size & Tolerance
| Across Flats (mm) | Tolerance (±mm) | Standard Length |
|---|---|---|
| 10 – 17 | ±0.25 | 3000 mm |
| 17 – 30 | ±0.32 | 3000 mm |
| 30 – 50 | ±0.40 | 3000 / 6000 mm |
| 50 – 80 | ±0.55 | 3000 / 6000 mm |
Flat Bar — Size & Tolerance
| Thickness (mm) | Width (mm) | Tolerance (±mm) | Length |
|---|---|---|---|
| 3 – 6 | 20 – 100 | ±0.20 / ±0.35 | 3000 mm |
| 6 – 12 | 20 – 150 | ±0.25 / ±0.42 | 3000 / 6000 mm |
| 12 – 25 | 30 – 200 | ±0.35 / ±0.55 | 3000 / 6000 mm |
| 25 – 60 | 50 – 300 | ±0.50 / ±0.75 | 6000 mm |
* Custom sizes and tight tolerances (drawn precision per EN 754-3) available upon request. Contact us for custom sizes →
Chemical Composition (EN 573-3 / ASTM B209)
| Element | Min (%) | Max (%) | Function in Alloy |
|---|---|---|---|
| Si (Silicon) | 0.70 | 1.30 | Forms Mg&sub2;Si strengthening phase with Mg |
| Mg (Magnesium) | 0.60 | 1.20 | Primary strengthening element, forms Mg&sub2;Si |
| Mn (Manganese) | 0.40 | 1.00 | Grain refinement, improves corrosion resistance |
| Fe (Iron) | — | 0.50 | Impurity, kept low to maintain toughness |
| Cr (Chromium) | — | 0.25 | Prevents grain growth during heat treatment |
| Cu (Copper) | — | 0.10 | Impurity, limited to preserve corrosion resistance |
| Zn (Zinc) | — | 0.20 | Impurity element, controlled to specification |
| Ti (Titanium) | — | 0.10 | Grain refiner, improves castability |
| Al (Aluminum) | Remainder | Base matrix |
Mechanical Properties
| Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation A50mm (%) | Hardness (HB) | Typical Application |
|---|---|---|---|---|---|
| T6 / T651 | 310–340 | 260–290 | ≥10 | 95–105 | Structural, aerospace, automotive |
| T4 / T451 | 205–260 | 110–165 | ≥16 | 60–70 | Forming before aging |
| O (Annealed) | ≤170 | ≤90 | ≥17 | 30–40 | Maximum formability, deep drawing |
| F (As-fabricated) | — | — | — | — | As-extruded, no heat treatment |
Additional Physical Properties
| Property | Value |
|---|---|
| Density | 2.70 g/cm³ |
| Elastic Modulus | 70 GPa |
| Poisson’s Ratio | 0.33 |
| Thermal Conductivity (T6) | 180 W/m·K |
| Electrical Conductivity (T6) | 43% IACS |
| CTE (20–100°C) | 23.4 × 10⁻⁶ /K |
| Melting Range | 595–650°C |
T6 vs T651: T651 is stress-relieved by stretching (1–3% permanent set) after quenching, reducing residual stress for better dimensional stability in machining. Recommended for precision-machined parts. T6 is suitable for general structural use.
Temper Selection Guide
| Temper | Condition | Strength | Formability | Machinability | Recommended For |
|---|---|---|---|---|---|
| T6 | Solution heat treated + artificially aged | High (310 MPa) | Low | Good | Structural bars, general engineering |
| T651 | T6 + stress-relieved by stretching | High (310 MPa) | Low | Excellent | Precision CNC parts, tight tolerance |
| T4 | Solution heat treated, naturally aged | Medium (250 MPa) | Moderate | Moderate | Forming operations, then age harden |
| O | Fully annealed | Low (170 MPa) | Excellent | Poor | Bending, deep drawing, complex forming |
6082 vs 6061 vs 7075 vs 2024 — Bar Comparison
| Property | 6082-T6 | 6061-T6 | 7075-T6 | 2024-T3 |
|---|---|---|---|---|
| Tensile Strength (MPa) | 310 | 290 | 572 | 470 |
| Yield Strength (MPa) | 260 | 240 | 503 | 325 |
| Elongation (%) | 10 | 12 | 11 | 20 |
| Hardness (HB) | 95 | 95 | 150 | 120 |
| Density (g/cm³) | 2.70 | 2.70 | 2.81 | 2.78 |
| Corrosion Resistance | Excellent | Excellent | Poor | Poor |
| Weldability | Good | Good | Poor | Poor |
| Machinability | Good | Good | Excellent | Good |
| Relative Cost | Medium | Low | High | High |
| Best For | Structural, marine | General purpose | Aerospace, high-stress | Aerospace, fatigue |
Also available: 6061 aluminum bars | 7075 aluminum bars | 2024 aluminum bars
Applications & Uses
Aerospace & Aviation
Structural frames, fuselage supports, wing ribs (T651)
Automotive & EV
Chassis components, battery enclosures, suspension parts
Marine & Offshore
Boat hull structures, railings, fittings (excellent corrosion resistance)
Structural Engineering
Trusses, bridges, scaffolding, load-bearing frameworks
Railway & Transport
Carriage frames, container structures, freight systems
Machinery & Equipment
Machine frames, hydraulic cylinders, automation components
Electronics & Telecom
Heat sinks, enclosures, antenna mounts (high thermal conductivity)
Sports & Recreation
Bicycle frames, tent poles, diving equipment
Food & Pharma
Conveyor systems, equipment frames (non-toxic, corrosion-resistant)
Processing Services
| Service | Capability | Specification |
|---|---|---|
| Cutting | Band saw, circular saw, laser | ±0.5mm length tolerance |
| CNC Machining | Turning, milling, drilling, tapping | Tolerance ±0.01mm |
| Surface Treatment | Anodizing (Type II/III), polishing, powder coating | Various colors available |
| Heat Treatment | Solution treatment + aging (T6/T651) | Per EN 515 standard |
| Inspection | UT testing, dimension inspection, hardness test | EN 10204 3.1/3.2 MTC |
| Packaging | Wooden pallet/case, anti-corrosion paper, desiccant | Export-grade, ISPM-15 compliant |
Surface Finishing Options
| Finish | Standard | Thickness | Appearance |
|---|---|---|---|
| Mill Finish | As-extruded | — | Natural silver, smooth |
| Anodized Type II | MIL-A-8625 Type II | 10–25 µm | Clear, black, gold, bronze, blue, red |
| Anodized Type III | MIL-A-8625 Type III | 25–75 µm | Hard coat, clear or black |
| Polished | Mechanical | — | Bright mirror or satin |
| Brushed | Mechanical | — | Uniform linear finish |
| Powder Coated | Qualicoat | 60–120 µm | RAL colors, textured or smooth |
Why Choose HXM Aluminum?
| Capability | Details |
|---|---|
| Production Capacity | 5,000+ tons/month, 12 extrusion lines (800–3500T) |
| Size Range | Round Ø6–400mm, full shape range (square/hex/flat) |
| Quality Certification | ISO 9001:2015, EN 10204 3.1/3.2 MTC provided with every order |
| Heat Treatment | In-house solution furnace + aging, full T6/T651/T4 capability |
| Testing | Spectrometer (PMI), UTS testing, hardness, ultrasonic flaw detection |
| Global Delivery | FOB Shanghai/Ningbo, CIF worldwide, 60+ countries served |
| Custom Service | Custom sizes, tight tolerances, CNC machining, surface treatment |
| Response Time | Quote within 24 hours, technical support within 48 hours |
How to Order — 5-Step Process
| Step | Action | You Provide | We Deliver |
|---|---|---|---|
| 1. Inquiry | Send your requirements | Alloy, temper, shape, size, quantity, standard | Quote within 24h |
| 2. Quotation | Review and negotiate | Target price, Incoterms, delivery date | Formal PI with specifications |
| 3. Order Confirmation | Confirm and deposit | 30% deposit (T/T, L/C at sight) | Production schedule |
| 4. Production & QC | We manufacture and inspect | — | Mill Test Certificate, inspection reports |
| 5. Shipping | Balance payment & delivery | 70% balance before shipment | FOB/CIF/DAP delivery with tracking |
Ready to order 6082 aluminum bars?
Get a competitive quote within 24 hours. MOQ 500kg. Custom sizes welcome.
Welding Parameters — 6082 Aluminum Bar
| Process | Filler Metal | HAZ Strength Loss | Pre-Weld Prep | Post-Weld Treatment |
|---|---|---|---|---|
| MIG (GMAW) | ER5356 (Al-Mg5) | 30–40% reduction | Clean oxide layer, degrease | Aging at 175°C / 8h to restore partial strength |
| MIG (GMAW) | ER4043 (Al-Si5) | 30–35% reduction | Wire brush + solvent clean | Solution + aging for full T6 restoration |
| TIG (GTAW) | ER4043 (Al-Si5) | 25–30% reduction | AC balance cleaning, argon shielding | Full re-heat treatment recommended |
| TIG (GTAW) | ER5356 (Al-Mg5) | 30–35% reduction | AC balance cleaning, argon shielding | Aging only if T4 condition acceptable |
| FSW (Friction Stir) | No filler required | 10–15% reduction | Flat surfaces, rigid fixturing | None — solid-state weld retains ~85% strength |
Recommended Welding Conditions
| Parameter | MIG (GMAW) | TIG (GTAW) |
|---|---|---|
| Wire Diameter | 1.2–1.6 mm | 2.4–3.2 mm |
| Current (A) | 160–250 | 120–200 (AC) |
| Voltage (V) | 22–28 | Balance 60–70% |
| Travel Speed (mm/min) | 400–800 | 100–300 |
| Argon Flow (L/min) | 15–20 | 8–12 |
| Preheat | Not required (optional 80–100°C for thick sections) | Not required |
Note: 6082 is readily weldable but HAZ softening is unavoidable. For critical structural applications, consult our engineers for post-weld heat treatment options. Filler metal selection: ER5356 for higher ductility, ER4043 for better crack resistance. See our aluminum welding guide for detailed procedures.
Heat Treatment Parameters — 6082 Aluminum
| Temper | Solution Temperature | Soak Time | Quench | Aging Temperature | Aging Time | Cooling Method |
|---|---|---|---|---|---|---|
| T6 | 530–540°C | 30–60 min (per 25mm thickness) | Water, ≤65°C, transfer ≤15s | 170–180°C | 8 hours | Air cool |
| T651 | 530–540°C | 30–60 min (per 25mm thickness) | Water, ≤65°C, transfer ≤15s | 170–180°C | 8 hours | Air cool (stretched 1–3% before aging) |
| T4 | 530–540°C | 30–60 min (per 25mm thickness) | Water, ≤65°C | — (natural aging) | ≥96 hours at room temperature | N/A |
| O (Anneal) | 415–425°C | 2–3 hours | Furnace cool to 260°C, then air cool | — | — | Air cool |
Critical Heat Treatment Notes
| Parameter | Specification | Risk if Exceeded |
|---|---|---|
| Solution Temperature | 530–540°C (strict tolerance ±5°C) | >545°C: grain boundary melting, embrittlement |
| Quench Transfer Time | ≤15 seconds (thin) / ≤30 seconds (thick) | Delayed quench: precipitation during transfer, reduced strength |
| Quench Water Temperature | ≤65°C | Warm water: slower cooling, lower mechanical properties |
| Aging Temperature | 170–180°C (±5°C) | >185°C: over-aging, strength loss; <165°C: under-aging, incomplete precipitation |
| Aging Time | 8 hours (T6/T651) | <6h: under-aged; >12h: over-aged, reduced toughness |
HXM provides in-house heat treatment with furnace temperature uniformity ≤±5°C, verified by quarterly TUS surveys per AMS 2750. Request heat treatment certificates →
CNC Machining Parameters — 6082-T6
| Operation | Cutting Speed (m/min) | Feed Rate (mm/rev) | Spindle Speed (RPM) | Depth of Cut (mm) | Tool Material |
|---|---|---|---|---|---|
| Turning (Rough) | 150–300 | 0.10–0.25 | 2000–5000 | 1–4 | Carbide (K10/K20) or PCD |
| Turning (Finish) | 200–400 | 0.05–0.15 | 3000–6000 | 0.25–1.0 | PCD tipped |
| Milling (Rough) | 200–500 | 0.05–0.15 (mm/tooth) | 3000–8000 | 1–3 | Carbide (AlTiN coated) |
| Milling (Finish) | 300–600 | 0.02–0.08 (mm/tooth) | 5000–10000 | 0.1–0.5 | PCD or 3-flute carbide |
| Drilling (≤10mm) | 80–150 | 0.05–0.15 | 3000–6000 | — | HSS-Co or carbide |
| Drilling (>10mm) | 100–200 | 0.10–0.25 | 1500–4000 | — | Carbide tipped |
| Tapping | 20–50 | — | 500–1500 | — | HSS-Co with spiral flute |
| Boring | 150–350 | 0.03–0.10 | 2000–5000 | 0.1–1.0 | Carbide insert (CCMT/DCMT) |
Machining Recommendations
| Parameter | Recommendation |
|---|---|
| Coolant | Water-soluble emulsion (5–10% concentration) or MQL (Minimum Quantity Lubrication) |
| Chip Control | Use chip breakers; 6082 produces long stringy chips without proper geometry |
| Tool Geometry | Positive rake angle (10–20°), sharp edges, polished flutes to prevent built-up edge |
| Surface Finish | Ra 0.4–1.6 µm achievable with sharp tools and proper feed rate |
| Work Holding | Soft jaws or fixtures; 6082-T6 is relatively hard but can mark if over-clamped |
| Dimensional Stability | Use T651 for critical tolerances; T6 may move slightly during machining due to residual stress |
HXM offers full CNC machining services with tolerance ±0.01mm. Send your drawings for a machining quote →
6082 Aluminum Bar FAQ
What is the difference between 6082-T6 and 6082-T651?
T651 is stress-relieved by stretching (1-3% permanent deformation) after solution heat treatment and before artificial aging. This reduces residual stresses, providing better dimensional stability during machining. T6 is the standard solution-treated and aged condition without stress relief. For precision-machined parts with tight tolerances, T651 is recommended.
What sizes of 6082 aluminum bars are available?
Round bars: 6mm to 400mm diameter. Square bars: 10mm to 200mm. Hex bars: 10mm to 80mm across flats. Flat bars: 3-60mm thick, 20-300mm wide. Standard lengths are 3000mm and 6000mm. Custom cut-to-length is available. Contact us for custom sizes.
Is 6082 aluminum weldable?
Yes, 6082 has good weldability using MIG (GMAW) and TIG (GTAW) processes. Recommended filler metals are ER4043 (Al-Si5) or ER5356 (Al-Mg5). Note that welding reduces strength in the heat-affected zone (HAZ) by approximately 30-40%. Post-weld heat treatment can partially restore strength. See the welding parameters table above for detailed conditions.
What standards do your 6082 bars comply with?
Our 6082 aluminum bars comply with EN 755-2 (extruded bars), EN 754-2 (drawn bars), EN 573-3 (chemical composition), ASTM B221/B211, and JIS H4040. Material Test Certificates per EN 10204 3.1/3.2 are provided with every shipment.
What is the difference between 6082 and 6061 aluminum?
6082 has slightly higher silicon (0.7-1.3% vs 0.4-0.8%) and manganese (0.4-1.0% vs 0-0.15%) content, giving it marginally higher strength and better corrosion resistance. 6082 is more popular in Europe (designated HE30), while 6061 is more common in the US. Both are heat-treatable 6xxx series alloys with similar applications. See our 6061 aluminum bars for comparison.
What is the MOQ and lead time?
Minimum order quantity is 500kg (trial orders may be negotiable). Lead time is 7-15 days for stock items and 15-25 days for production orders. Rush orders can be accommodated—please contact us with your timeline.
Can you provide 6082 bars with custom machining?
Yes, we offer full CNC machining services including turning, milling, drilling, and tapping. We can deliver finished parts to your drawings with tolerances as tight as ±0.01mm. See the machining parameters table above and our CNC machining service for details.
What surface finishes are available?
Mill finish (standard), anodized (Type II decorative or Type III hard coat), polished (mirror or satin), brushed, and powder coated in RAL colors. Anodizing is available in clear, black, gold, bronze, blue, and red.
How are the bars packaged for shipping?
Bars are bundled with steel straps on wooden pallets or in wooden cases, with anti-corrosion paper and desiccant. Packaging is ISPM-15 compliant for international shipping. Custom packaging is available upon request.
Do you supply 6082 bars to my country?
We export to 60+ countries worldwide. Incoterms available: FOB (Shanghai/Ningbo), CIF, CFR, DAP, and EXW. We can assist with customs documentation and provide all necessary certificates. Contact us to discuss delivery to your location.
Can I get a sample before placing a bulk order?
Yes, samples of standard sizes (typically 100-200mm length) can be provided for evaluation. Sample cost and freight are negotiable. Please contact us with your sample requirements.
Related Products
| Product | Alloy | Link |
|---|---|---|
| 6082 Aluminum Tubes | EN AW-6082 | View → |
| 6082 Aluminum Profiles | EN AW-6082 | View → |
| 6082 Aluminum Sheets | EN AW-6082 | View → |
| 6061 Aluminum Bars | EN AW-6061 | View → |
| 7075 Aluminum Bars | EN AW-7075 | View → |
| 2024 Aluminum Bars | EN AW-2024 | View → |
| 6061-T6 Aluminum Guide | Blog | Read → |
| 6082 vs 6061 Comparison | Blog | Read → |
| Aluminum Welding Guide | Blog | Read → |
