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Help Center6061 T6 Aluminum Structural Tube OD 25-400mm ASTM B241 Bridge Truss Construction Alloy Round Pipe
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Aluminum Tube & Pipe – Lightweight, Durable, Versatile
Aluminum tubes and pipes are hollow, cylindrical (or shaped) extruded or drawn products manufactured from aluminum alloys. With a density of just 2.70 g/cm³ (one-third that of steel), aluminum tubes offer exceptional strength-to-weight ratio, excellent corrosion resistance, high thermal conductivity, and 100% recyclability.
Key characteristics:
Lightweight – Reduces structural load and transport costs
Corrosion resistant – Natural oxide layer protects in most environments
High strength options – 6061-T6, 6063-T6, 7075-T6
Excellent formability – Easily bent, flared, welded, and machined
Thermal conductivity – Ideal for heat exchangers and radiators
Recyclable – 100% recyclable with no loss of properties
Product classification:
| Classification | Manufacturing Method | OD Range | Typical Applications |
|---|---|---|---|
| Seamless Tube | Extruded or drawn, no weld seam | 6 – 300 mm | High pressure, aerospace, hydraulic lines |
| Seam Welded Tube | Roll formed + welded | 6 – 200 mm | General structural, decorative |
| Extruded Tube | Direct or indirect extrusion | 10 – 400 mm | Structural shapes, square/rectangular |
Typical applications: Fluid pipelines (air, water, oil), heat exchangers, condensers, evaporators, automotive frames, bicycle frames, hydraulic systems, pneumatic lines, structural supports, handrails, scaffolding, aerospace components, irrigation systems.
Each batch includes EN 10204 3.1 mill test certificate. Third-party inspection (SGS, BV, TÜV) supported. MOQ: 500 kg – 1 ton, trial orders welcome.
Key Specifications (Aluminum Tube / Pipe)
| Parameter | Specification / Range | Remarks |
|---|---|---|
| Standards | ASTM B210 (seamless drawn tube), B241 (seamless pipe), B345 (seamless pipe for gas/water), B313 (welded tube), EN 755 (extruded tube), JIS H4080 | Others on request |
| Alloy Series | 1xxx (1050, 1060); 3xxx (3003); 5xxx (5052, 5083, 5086); 6xxx (6061, 6063, 6082); 7xxx (7075) | – |
| Temper | O (annealed), H12, H14, H18, H32, H34, H112, T3, T4, T5, T6, T651, T7351 | Varies by alloy |
| Product Type | Seamless / Seam welded / Extruded | – |
| Shape | Round, square, rectangular, oval, custom profile | – |
| Outer Diameter (Round) | 6 mm – 400 mm | Custom on request |
| Wall Thickness | 0.5 mm – 30 mm | Depends on OD and manufacturing method |
| Side Length (Square/Rect) | 10 mm × 10 mm – 200 mm × 200 mm | Custom profiles available |
| Length | Standard: 3 m, 4 m, 6 m, 12 m; Custom cut to length | Tolerance ±2 mm |
| Density | 2.70 g/cm³ (most alloys); 2.66–2.81 g/cm³ depending on alloy | – |
| Melting Point | 475 – 660°C (varies by alloy) | – |
| Thermal Conductivity | 120 – 230 W/(m·K) (varies by alloy) | – |
| Modulus of Elasticity | 69 GPa (10,000 ksi) | – |
| Testing | PMI (XRF), tensile, hardness, eddy current (ECT), hydrostatic, flattening, flaring | Mill cert EN 10204 3.1 |
| Packaging | End capped, bundled, steel strapping, wooden pallet / wooden case | Seaworthy, ISPM 15 |
Q1：Do you offer sample orders？
A：Yes, samples are available for quality evaluation. Sample cost is charged but refundable upon bulk order.
Q2：What is your MOQ？
A：Our standard MOQ is 100 kg per specification. For common grades and standard sizes, we accept small batch orders. Mixed orders for different products are also welcome.
Q3：Can you provide custom sizes？
A：Yes, we can produce any length, width, thickness, or diameter based on your drawings. Cutting, slitting, and other processing services are available with tolerance as required.
Q4：What certifications do you provide？
A：Each shipment comes with EN 10204 3.1 mill test certificate (MTC). Third-party inspection reports (SGS/BV/TÜV) can be arranged upon request.
Q5：What is your lead time？
A：7–15 working days for stock items. 20–30 days for custom orders, depending on quantity and specification.
Q6：What surface treatments are available？
A：Various surface treatments are available upon request, including pickled, polished, coated, oiled, or as required.
Q7：What payment terms do you accept？
A：T/T (30% deposit + 70% against BL copy), L/C at sight, Western Union, etc.
Q8：What about packaging for export？
A：Standard seaworthy packaging with waterproof protection, steel straps, corner protectors, and ISPM 15 fumigation certification. Custom packaging is available as required.
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