6063 Aluminum Bars & Rods Supplier — Round, Hex, Square — HXM Aluminum
Are you searching for high-quality 6063 Aluminum Bar Suppliers and Manufacturers? As one of the professional 6063 aluminum bar suppliers and manufacturers in China, the aluminum bar we provide meets industry standards and has a very high-cost performance.
6063 aluminum bar is a widely used aluminum alloy with excellent corrosion resistance and processing properties, which is very suitable for use in the construction, automotive, and aviation fields. We provide 6063 aluminum bars in various specifications to ensure that customers with different needs are met.
We offer competitive prices and we have sufficient inventory to ensure timely supply. If you need detailed price information or want to obtain the latest 6063 aluminum bar inventory, please feel free to contact us and we will respond to your message within 24 hours!

6063 Aluminum Bars Specifications
| Specification | Details |
|---|---|
| Product | 6063 Aluminum Bars & Rods |
| Alloy Grade | 6063 (UNS A96063, EN AW-6063, DIN 3.3206) |
| Available Tempers | T1, T4, T5, T6, T52 (T5/T6 most common for bars) |
| Bar Shapes | Round, Hexagonal, Square, Flat, Rectangular |
| Diameter Range | 3mm – 350mm (round); 5-50mm (hex); 5-150mm (square) |
| Length | 1m – 6m (custom cutting available) |
| Surface Finish | Mill finish, Polished, Anodized, Powder coated |
| Standards | ASTM B221, EN 755, GB/T 6892, JIS H4100 |
| MOQ | 1000 kg (trial order 500kg acceptable) |
| Lead Time | 7–15 days stock; 20–30 days custom |
| Price Range | US$2.50 – US$4.80/kg (varies by spec & quantity) |
| Port | FOB Shanghai / CIF worldwide |
| Certification | ISO 9001, SGS, BV, RoHS, Mill Test Certificate (MTC) |
Available Tempers for 6063 Bars
| Temper | Description | Tensile (MPa) | Yield (MPa) | Bar Application |
|---|---|---|---|---|
| T1 | Cooled from extrusion | 120 | 55 | Low-stress, general-purpose bars |
| T4 | Solution treated, naturally aged | 170 | 90 | Bars for machining/forming |
| T5 | Cooled + artificially aged | 185 | 145 | Most popular — machined parts, shafts |
| T6 | Solution treated + aged | 230 | 190 | High-strength structural bars |
| T52 | Stretched + aged | 175 | 130 | Precision bars, tight straightness |
6063 Bar Size & Dimension Specifications
| Bar Type | Diameter/Size (mm) | Length | Tolerance | Standard |
|---|---|---|---|---|
| Round Bar | Φ3 – Φ350 | 1-6m | ±0.05mm (precision) / ±0.1mm (standard) | ASTM B221 |
| Hex Bar | 5 – 50 (across flats) | 1-6m | h11 | ASTM B221 |
| Square Bar | 5 × 5 – 150 × 150 | 1-6m | ±0.1mm | ASTM B221 |
| Flat Bar | 3×20 – 30×300 | 1-6m | ±0.15mm | ASTM B221 |
| Rectangular Bar | Custom | 1-6m | ±0.15mm | ASTM B221 |
Custom sizes available — Straightness tolerance: ≤1mm/m for T5/T6 bars. Precision ground bars (±0.02mm) available on request.
6063 Bar Surface Treatment Options
| Treatment | Description | Price Impact |
|---|---|---|
| Mill Finish | Natural extruded surface | Base price |
| Polished | Mechanical or chemical polish | +US$0.20-0.50/kg |
| Anodizing | Silver, black, gold, bronze; 10-25μm | +US$0.30-0.80/kg |
| Powder Coating | Any RAL color; 40-120μm | +US$0.50-1.20/kg |
| Precision Ground | Centerless ground to tight tolerance | +US$0.80-2.00/kg |
6063 Aluminum Bar Data Sheet
Chemical Composition
Alloy grade | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Zr | other | AL | |||
New grade | Old grade | 0.2-0.6 | 0.35 | 0.10 | 0.15 | 0.6-0.9 | 0.05 | 0.15 | 0.10 | —— | each | total | ||
6063 | LD31 | 0.05 | 0.15 | Allowance | ||||||||||
Mechanical Properties
| Property | T1 | T5 | T6 | Unit |
|---|---|---|---|---|
| Tensile Strength | 120 | 185 | 230 | MPa |
| Yield Strength | 55 | 145 | 190 | MPa |
| Elongation | 12 | 12 | 8 | % |
| Hardness | 42 | 65 | 75 | HB |
| Machinability | Good | Very Good | Good | Rating |
Physical Properties
| Aluminum alloy grade and state | Coefficient of thermal expansion | Melting point range (℃) | electrical conductivity 20℃(68℉) (%IACS) | Resistivity20℃(68℉) Ωmm2/m | density (20℃)(g/cm3) |
| 6063-T6 | 23.4 | 615-655 | 53 | 0.033 | 2.8 |
Quality Characteristics
Density: 2.80g/cm³.
Modulus of elasticity: Tensile: 68.3GPa (9.91×106psi), Shear: 25.8GPa (3.75×106psi), Pressurized: 69.7GPa (10.1×106psi)
Poisson’s ratio: 0.33.
Typical Uses
| Industry | Typical Applications |
|---|---|
| CNC Machined Parts | Shafts, spindles, bushings, fittings, couplings, threaded components, valve stems |
| Architecture & Decoration | Handrails, balustrades, decorative trims, door handles, furniture hardware |
| Automotive | Drive shafts, suspension components, trim, brackets, engine components |
| Electronics & Electrical | Heat sinks, electronic housings, connector pins, antenna components |
| Food & Pharmaceutical | Food processing equipment, conveyor parts, pharmaceutical machinery |
| Furniture & Hardware | Furniture frames, handles, brackets, supports, fasteners |
| Construction | Structural supports, bracing, connectors, formwork |
| Sports Equipment | Bicycle components, tent poles, sports gear shafts |
6063 Aluminum Bar Packages
The following is our company’s standard aluminum bar export packaging. If the customer has any packaging requirements, our company can meet them.




Why Buy 6063 Aluminum Bars?
6063 offers superior chip-breaking and surface finish — ideal for CNC turning, milling, and threading operations.
Low residual stress after extrusion — bars maintain tight tolerances during and after machining.
Excellent atmospheric and marine corrosion resistance — no rust, long service life.
Naturally smooth surface takes anodizing beautifully — ideal for decorative and architectural bars.
Easily welded by TIG, MIG, and resistance welding for bar assemblies and frames.
Density 2.69 g/cm³ (1/3 of steel) with good strength-to-weight ratio for structural bars.
FDA and EU food contact compliant — suitable for food and pharmaceutical equipment.
Aluminum bars can be recycled indefinitely without loss of properties.
Why Choose HXM Aluminum?
Aluminum manufacturer serving 60+ countries since 2008.
Large die library — many standard bar sizes without tooling cost.
Cutting, anodizing, powder coating, precision grinding under one roof.
Direct from manufacturer. Volume discounts available.
MOQ 1000kg. 7-15 day lead time. Stock items ship in 3 days.
English-speaking engineers. Full export documentation. L/C, T/T accepted.
FAQ
What is 6063 Aluminum Bar?
6063 Aluminum Bar is an aluminum alloy composed primarily of aluminum, magnesium, and silicon. Known for its good mechanical properties, corrosion resistance, and high surface finish, it is ideal for architectural applications such as window frames, irrigation pipes, and other extruded shapes used in building and construction.
Can you Bend 6063 Aluminum Bar?
Yes, you can bend 6063 aluminum bars. 6063 aluminum is known for its good formability, making it suitable for bending, especially when in the O or T4 temper. However, the ease of bending and the achievable bend radius will depend on the temper and thickness of the bar.
For best results, it’s recommended to perform bending operations on 6063 aluminum bars in the O (annealed) or T4 temper, as these conditions provide greater ductility and reduce the risk of cracking.
Is 6063 Aluminum Bar Weldable?
Yes, the 6063 aluminum bar is weldable. It exhibits good weldability, especially when using methods such as TIG (Tungsten Inert Gas) or MIG (Metal Inert Gas) welding. For best results, it is important to use the proper filler material, typically the 4043 or 5356 aluminum alloy filler rod. Post-weld heat treatment can help restore the material’s mechanical properties if needed.
6061 t6 vs 6063 t52 Aluminum Bar
6061-T6 Aluminum Bar:
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Strength: 6061-T6 has higher tensile strength, typically ranging from 290 to 320 MPa (42,000 to 46,000 psi). It is known for its excellent mechanical properties, making it suitable for high-stress applications.
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Applications: Commonly used in aerospace, automotive parts, and structural components where strength and durability are critical.
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Hardness: Harder compared to 6063-T52, with a hardness range of 95 HB.
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Machinability: Excellent machinability, which is beneficial for precision parts and complex shapes.
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Weldability: Good, but the strength of the weld may not reach the level of the base material.
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Corrosion Resistance: Good, but not as high as 6063 in certain environments.
6063-T52 Aluminum Bar:
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Strength: 6063-T52 has lower tensile strength compared to 6061-T6, typically around 140 to 185 MPa (20,000 to 27,000 psi). It is designed for applications where moderate strength is sufficient.
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Applications: Often used in architectural applications, window frames, and irrigation tubing where a good surface finish and formability are more critical than maximum strength.
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Hardness: Softer compared to 6061-T6, with a hardness range of 50 HB.
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Machinability: Good machinability and excellent surface finish, which is ideal for applications requiring an aesthetic appeal.
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Weldability: Excellent, with good results in welding operations.
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Corrosion Resistance: Excellent, making it suitable for outdoor and marine environments.
6063 Aluminum Bar VS Other Aluminum Bars
6063 Aluminum Bar vs 6001 Aluminum Bar:
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Strength: The 6063 aluminum bar has lower strength compared to the 6001 aluminum bar. 6001 is better suited for structural applications where higher strength is required.
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Applications: 6063 is commonly used in architectural applications such as window frames and decorative trim, while 6001 is preferred for structural components like railings and supports.
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Weldability: Both alloys have good weldability, but 6063 offers a superior surface finish and aesthetic appeal.
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Corrosion Resistance: Both provide good corrosion resistance, though 6063 is often used in more exposed environments due to its excellent resistance.
6063 Aluminum Bar vs 6005 Aluminum Bar:
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Strength: The 6005 aluminum bar is stronger than the 6063 aluminum bar. This makes 6005 more suitable for structural applications such as platforms and industrial frames.
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Applications: 6063 is used in architectural applications where a high-quality finish is essential, such as window frames and irrigation tubing. 6005 is used in structural applications requiring greater strength.
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Weldability: Both alloys are weldable, but 6063 is often chosen for its better surface finish and ease of forming intricate shapes.
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Corrosion Resistance: Both have good corrosion resistance, though 6063 may be preferred for its superior appearance in outdoor applications.
6063 Aluminum Bar vs 6061 Aluminum Bar:
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Strength: The 6061 aluminum bar is significantly stronger than the 6063 aluminum bar, making it suitable for demanding structural and aerospace applications.
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Applications: 6063 is used for architectural applications where aesthetics and weldability are important. 6061 is used in structural components, automotive parts, and aerospace due to its higher strength and machinability.
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Weldability: Both alloys have good weldability, but 6063 is preferred for applications requiring a smooth surface finish.
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Corrosion Resistance: 6063 offers slightly better corrosion resistance, but 6061 provides good resistance and is often used in environments where higher strength is needed.
How much do 6063 aluminum bars cost?
Pricing factors:
1. Bar type & size – round, hex, square, flat
2. Temper – T5 standard; T6 +10-15%
3. Surface treatment – mill finish base; polished +US$0.20-0.50/kg; anodized +US$0.30-0.80/kg
4. Quantity – larger volumes = better pricing
5. LME aluminum price – indexed to London Metal Exchange
Reference: mill finish T5 round bars typically US$2.50-4.80/kg FOB Shanghai. Get an exact quote within 24 hours.
What is the MOQ for 6063 aluminum bars?
Standard MOQ is 1000 kg for standard sizes. For custom-extruded profiles, MOQ is typically 2,000 kg. Trial orders of 500 kg are acceptable for new customers. Contact us for specific MOQ based on your requirements.
What is the lead time for 6063 aluminum bar orders?
Standard sizes (in-stock dies): 7-15 days
Custom extrusion (new die): 20-30 days (includes 7-10 days die-making)
Precision ground bars: add 5-7 days
Shipping: 15-35 days by sea
Total turnaround: typically 4-6 weeks for international orders.
Do you provide Mill Test Certificates?
Yes. Every shipment includes a Mill Test Certificate (EN 10204 3.1) with chemical composition, mechanical properties, and heat number. EN 10204 3.2 certified by SGS/BV/TUV available for an additional fee. RoHS and REACH compliance certificates also available.
Can you machine bars into finished parts?
Yes! We offer CNC machining services for 6063 aluminum bars:
• CNC turning and milling
• Threading and tapping
• Drilling and boring
• Surface grinding and polishing
• Anodizing and powder coating
Send us your drawings (PDF/DWG/DXF) and we provide finished parts. Get a machining quote.
What bar shapes and sizes are available?
We supply:
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Round bars: Φ3mm – Φ350mm
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Hex bars: 5-50mm across flats
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Square bars: 5×5mm – 150×150mm
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Flat bars: 3×20mm – 30×300mm
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Custom profiles — send your drawing for a quote
Lengths: 1-6m. Custom cutting available (±1mm standard, ±0.2mm precision).
What is the straightness tolerance of your bars?
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Standard straightness: ≤1mm per meter for T5/T6 bars.
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Precision straightness: ≤0.5mm per meter available on request.
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Centerless ground bars: ≤0.3mm per meter with diameter tolerance ±0.02mm.
All bars are straightened after extrusion and aging.
What surface treatments are available for bars?
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Mill finish — natural extruded surface, most economical
-
Polished — mechanical or chemical, smooth finish
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Anodized — silver/black/gold/bronze, 10-25μm
-
Powder coated — any RAL color, 40-120μm
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Precision ground — centerless ground to tight tolerance
All treatments done in-house.
What information should I provide for a quote?
For an accurate quote, please provide:
1. Bar type (round, hex, square, flat) or drawing
2. Diameter or dimensions
3. Alloy and temper (e.g., 6063-T5)
4. Length and cutting requirements
5. Surface treatment (mill finish, anodized, powder coat)
6. Estimated quantity
7. Destination port
8. Special requirements (tolerances, certifications, packaging)
Email: [email protected] or contact form.
Ready to Get Your 6063 Aluminum Bar Quote?
Factory-direct price within 24 hours. No middleman markup.
Free samples available. ISO 9001 certified. Worldwide shipping.
Or email: [email protected]