6063 Aluminum Tube — Architectural Finish, Tight Extrusions | Steel1Stop
Smooth surface and excellent anodizing response for railings, frames, display systems, and architectural trims. Stock OD 6–203 mm, wall 0.6–10 mm, cut-to-length, brushing, and anodizing available.
- ASTM B221/B241
- Tempers: T5 / T52 / T6 / T66
- MTR/COA Provided
- Global Shipping (FOB/CIF/DDP)




Quick Specs
Alloy & Tempers
6063 in T5, T52, T6, T66 (O on request for forming, then re-age).
Manufacture
Extruded structural tube; seamless extruded/drawn for pressure-critical service.
Standards
ASTM B221/B429 (extruded), ASTM B241 (seamless), ASTM B210 (drawn seamless)
Typical Properties (T6)
UTS ≈ 240–260 MPa (35–38 ksi)
Yield ≈ 200–215 MPa (29–31 ksi)
Elongation ~8–12% (size-dependent)
Density ~2.70 g/cm³
Finish Options
Mill, brushed, clear/black anodized (architectural), powder coat
Lengths
3–6 m standard; custom up to 12 m; cut-to-length ±0.5 mm typical
Why choose 6063 aluminum tube?
Alloy 6063 is prized for excellent extrudability, smooth surface, and uniform anodizing. It’s the go-to for architectural profiles, visible frames, and display systems where appearance, edge detail, and tight dimensional control matter.
- Superior anodize quality and color consistency
- Clean edges and fine details from complex extrusions
- Good corrosion resistance for outdoor applications
- Balanced strength-to-weight for light structures
6061 vs 6063 — quick guide
- Surface & Anodize: 6063 excels; ideal for visible architectural parts.
- Strength: 6061-T6 is higher; choose for heavier loads and structural frames.
- Weldability: Both good; post-weld strength higher with 6061.
- Cost/Availability: Both widely available; 6063 often preferred for high-volume extrusions.
Buy 6063 Aluminum Tube (T5/T6)
Stock Size Range & Capability
Don’t see your spec? Upload a list—Steel1Stop will map to nearest stock or propose a cost-effective custom extrusion.
Round Tube (Metric)
OD: 6 / 8 / 10 / 12 / 16 / 19 / 25 / 32 / 38 / 50 / 63.5 / 76.2 / 101.6 / 127 / 152.4 / 203 mm
Wall: 0.6 / 0.8 / 1.0 / 1.5 / 2.0 / 3.0 / 4.0 / 6.0 / 9.5 mm
Round Tube (Imperial)
OD: ¼”–8″
Common Walls: 0.035″, 0.049″, 0.065″, 0.083″, 0.095″, 0.120″
Pipe Geometry: Schedule 40/80 as seamless where required.
Example Size Table (Imperial)
| OD (in) | Wall (in) | ID (in) | Est. Weight (lb/ft) | Notes |
|---|---|---|---|---|
| 1.000 | 0.065 | 0.870 | 0.176 | Smooth finish |
| 1.500 | 0.083 | 1.334 | 0.351 | Architectural rails |
| 2.000 | 0.120 | 1.760 | 0.708 | Stiffer frames |
| 2.375 (Sch 40) | 0.154 | 2.067 | 1.27 | Seamless option |
*Weights are estimates for 6063; confirm on quotation/MTR for your exact size and temper.
Manufacturing Routes & Selection
Extruded Structural Tube (ASTM B221/B429)
Best balance of cost, appearance, and availability—perfect for architectural and display structures. Not intended for pressurized service when produced via porthole die.
Seamless Tube/Pipe (ASTM B241)
Die-and-mandrel extrusion or drawn seamless for improved pressure integrity, concentricity, and OD/ID control. Common for schedule-type requirements.
Product Packaging
Adopting a professional industrial packaging solution that is moisture-proof and scratch resistant, each batch of steel is tied and fixed with customized wooden frames/steel strips, combined with anti rust coatings and cushioning pads to ensure zero damage during transportation. Clear product model, batch number, and storage identification on the outer packaging, supporting customized enterprise logos and information labels. Environmentally friendly and recyclable packaging materials practice green concepts, reducing transportation and disassembly costs.
Common Applications
Architectural Railings
Uniform anodized finish and smooth corners for premium balconies and handrails.
Frames & Trusses
Lightweight displays, exhibition rigs, stage elements, store fixtures.
Window & Door Systems
Tight extrusion details with high cosmetic demands and weather resistance.
Transportation Interiors
Panels, trims, racks—excellent finish and adequate strength in T6.
Available Services
- Cut-to-length (±0.5 mm typical), miter cutting, deburr/chamfer
- CNC drilling & slotting; light bending (confirm min. bend radii)
- Surface: mill, brushed, clear/black anodized (architectural), powder coat
- Packaging: VCI + foam spacers + seaworthy pallets/crates
Quality & Compliance
- MTR/COA with heat number traceability
- Dimensional, hardness, and surface checks recorded
- ASTM conformance listed on documents
- RoHS on request
Frequently Asked Questions (FAQs)
How does 6063 compare to 6061 in strength?
6063-T6 is moderately strong, but 6061-T6 is stronger. Choose 6061 for heavier loads; choose 6063 for premium finish and fine extrusion detail.
Is 6063 suitable for outdoor use?
Yes. 6063 offers good atmospheric corrosion resistance, commonly used for outdoor trims and railings with anodized finish.
Do you supply square/rectangular 6063 tubes?
Yes. A wide range of H×W and wall thicknesses are available as extruded profiles, with consistent cosmetic quality.
Can I bend 6063 tubes?
Yes. Use proper tooling and radii. For tight bends, consider O/T52 temper then heat treat if higher strength is required.
Which finishes do you offer?
Mill, brushed, clear anodized, black anodized, and powder coat. Architectural anodize is our most requested finish for 6063.
What documents are included?
MTR/COA with heat numbers, inspection records, and packing list; photos of export packing on request.
Why Global Clients Choose Us?
Henan Gengfei Industrial Co., Ltd. is China’s leading supplier of steel and other metal products. Our company is dedicated to providing its customers with the quick quotes, superior quality products, competitive prices and fastest possible deliveries.
Direct Mill Partnerships
Long-term collaborations with leading steel mills secure preferential pricing on steel, ensuring up to 15% cost savings versus competitors.
Certified Quality
Strict adherence to ASTM, EN, and JIS standards, backed by mill test reports (MTRs) for every batch.
Dynamic Pricing
Real-time adjustments to market fluctuations (e.g., iron ore prices) guarantee fair quotes.
Dedicated Account Managers
24/7 technical and logistical assistance via email, WhatsApp, or WeChat.
Bulk Orders
5–10% discounts for 50+ ton purchases. Annual rebates up to 3% for repeat clients.
Dedicated Account Managers
Custom cutting, slitting, and coating services to match project-specific needs (e.g., ±0.1mm thickness tolerance).
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Looking for a reliable supplier of aluminum bars in various shapes and alloys? Contact us for technical consultation, pricing, and delivery options. We provide OEM, bulk orders, and international shipping.






