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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)
Precision CNC machined parts made from 6063 aluminum bars showing excellent machinability - HXM Aluminum

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
(20-100℃)
μm/m·k

Melting point range
(℃)
electrical conductivity
20℃(68℉)
(%IACS)
Resistivity20℃(68℉)
Ωmm2/m
density
(20℃)(g/cm3)
6063-T623.4615-655530.0332.8

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?

Excellent Machinability
6063 offers superior chip-breaking and surface finish — ideal for CNC turning, milling, and threading operations.
Good Dimensional Stability
Low residual stress after extrusion — bars maintain tight tolerances during and after machining.
Superior Corrosion Resistance
Excellent atmospheric and marine corrosion resistance — no rust, long service life.
Easy to Anodize
Naturally smooth surface takes anodizing beautifully — ideal for decorative and architectural bars.
Good Weldability
Easily welded by TIG, MIG, and resistance welding for bar assemblies and frames.
Lightweight & Strong
Density 2.69 g/cm³ (1/3 of steel) with good strength-to-weight ratio for structural bars.
Non-Toxic
FDA and EU food contact compliant — suitable for food and pharmaceutical equipment.
100% Recyclable
Aluminum bars can be recycled indefinitely without loss of properties.

Why Choose HXM Aluminum?

15+ Years Experience
Aluminum manufacturer serving 60+ countries since 2008.
500+ Extrusion Dies
Large die library — many standard bar sizes without tooling cost.
In-House Processing
Cutting, anodizing, powder coating, precision grinding under one roof.
Competitive Factory Pricing
Direct from manufacturer. Volume discounts available.
Low MOQ & Fast Delivery
MOQ 1000kg. 7-15 day lead time. Stock items ship in 3 days.
Dedicated Export Team
English-speaking engineers. Full export documentation. L/C, T/T accepted.

FAQ

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.

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.

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 Aluminum Bar:

  • 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.

  • Applications: Commonly used in aerospace, automotive parts, and structural components where strength and durability are critical.

  • Hardness: Harder compared to 6063-T52, with a hardness range of 95 HB.

  • Machinability: Excellent machinability, which is beneficial for precision parts and complex shapes.

  • Weldability: Good, but the strength of the weld may not reach the level of the base material.

  • Corrosion Resistance: Good, but not as high as 6063 in certain environments.

6063-T52 Aluminum Bar:

  • 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.

  • Applications: Often used in architectural applications, window frames, and irrigation tubing where a good surface finish and formability are more critical than maximum strength.

  • Hardness: Softer compared to 6061-T6, with a hardness range of 50 HB.

  • Machinability: Good machinability and excellent surface finish, which is ideal for applications requiring an aesthetic appeal.

  • Weldability: Excellent, with good results in welding operations.

  • Corrosion Resistance: Excellent, making it suitable for outdoor and marine environments.

6063 Aluminum Bar vs 6001 Aluminum Bar:

  • 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.

  • 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.

  • Weldability: Both alloys have good weldability, but 6063 offers a superior surface finish and aesthetic appeal.

  • 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:

  • 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.

  • 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.

  • Weldability: Both alloys are weldable, but 6063 is often chosen for its better surface finish and ease of forming intricate shapes.

  • 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:

  • Strength: The 6061 aluminum bar is significantly stronger than the 6063 aluminum bar, making it suitable for demanding structural and aerospace applications.

  • 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.

  • Weldability: Both alloys have good weldability, but 6063 is preferred for applications requiring a smooth surface finish.

  • Corrosion Resistance: 6063 offers slightly better corrosion resistance, but 6061 provides good resistance and is often used in environments where higher strength is needed.

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.

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.

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.

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.

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.

We supply:

  • Round bars: Φ3mm – Φ350mm

  • Hex bars: 5-50mm across flats

  • Square bars: 5×5mm – 150×150mm

  • Flat bars: 3×20mm – 30×300mm

  • Custom profiles — send your drawing for a quote

Lengths: 1-6m. Custom cutting available (±1mm standard, ±0.2mm precision).

  • Standard straightness: ≤1mm per meter for T5/T6 bars.

  • Precision straightness: ≤0.5mm per meter available on request.

  • Centerless ground bars: ≤0.3mm per meter with diameter tolerance ±0.02mm.

All bars are straightened after extrusion and aging.

  1. Mill finish — natural extruded surface, most economical

  2. Polished — mechanical or chemical, smooth finish

  3. Anodized — silver/black/gold/bronze, 10-25μm

  4. Powder coated — any RAL color, 40-120μm

  5. Precision ground — centerless ground to tight tolerance

All treatments done in-house.

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?

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