Product Overview
Tubo de aluminio 6061 is a precipitation-hardened aluminum-magnesium-silicon (Al-Mg-Si) alloy tube, one of the most versatile and widely used aluminum alloys for structural applications. It combines medium-to-high strength, excellent weldability, buena resistencia a la corrosión, and superior machinability. Nuestro 6061 aluminum tubes are available as seamless tubes and extruded tubes, in T4, T5, T6 and T6511 tempers, produced per ASTM B210, ASTM B221, GB/T 4437, EN 755 and JIS H4080 standards, with custom outer diameters, wall thicknesses, y longitudes.

Composición química (%), ASTM B221 / GB/T 3190
Alabama (Aluminio): 95.8 – 98.6 (balance)
magnesio (Magnesium): 0.8 – 1.2
Y (Silicio): 0.4 – 0.8
Cu (Cobre): 0.15 – 0.40
cr (Chromium): 0.04 – 0.35
fe (Hierro): 0.70 max
zinc (Zinc): 0.25 max
Minnesota (Manganeso): 0.15 max
De (Titanium): 0.15 max
Others Each: 0.05 max, Others Total: 0.15 max
Propiedades mecánicas (Typical Values, Tube)
Temper T4 (Solution Heat Treated & Naturally Aged): Resistencia a la tracción 180-240 MPa, Fuerza de producción 110-170 MPa, Alargamiento 14-18%
Temper T5 (Cooled & Artificially Aged): Resistencia a la tracción 230-270 MPa, Fuerza de producción 180-230 MPa, Alargamiento 8-12%
Temper T6 (Solution Treated & Artificially Aged): Resistencia a la tracción 260-310 MPa, Fuerza de producción 240-290 MPa, Alargamiento 8-12%
Temper T6511 (T6 + Stress Relieved): Resistencia a la tracción 260-310 MPa, Fuerza de producción 240-290 MPa, Alargamiento 8-12%
Dureza: 95 media pensión (T6)
Resistencia a la cizalladura: 200 MPa (T6)
Resistencia a la fatiga: 95 MPa (T6, at 5×10⁸ cycles)
Propiedades físicas
Densidad: 2.70 gramos/cm³ (0.0975 lb/in³)
Melting Point: 582-652°C (1080-1205°F)
Conductividad térmica: 167 W/(m·K) at 25°C (T6)
Conductividad eléctrica: 43% IACS (T6)
Electrical Resistivity: 4.0 × 10⁻⁸ Ω·m
Thermal Expansion Coefficient: 23.6 × 10⁻⁶/K (20-100°C)
Módulo de elasticidad: 68.9 GPa (10,000 ksi)
Poisson Ratio: 0.33
Specifications
Estándares: ASTM B210 (seamless), ASTM B221 (extruded), GB/T 4437.1, EN 755-2 / 755-5, JIS H4080, ASME SB210
Outer Diameter: 3 milímetros – 500 milímetros (0.12″ – 19.7″)
Espesor de pared: 0.4 milímetros – 40 milímetros (0.016″ – 1.57″)
Longitud: 1 m – 12 m (custom cutting available)
Temperamento: T4, T5, T6, T6511, T6 drawn
Tipo: Seamless tube, extruded tube, drawn tube
Acabado de la superficie: Acabado de la fábrica, Brillante, Anodized (silver, black, bronze), Powder coated, Polished
Tolerancia: DE: ±0.1mm (drawn) to ±1.0mm (extruded), Wall: ±5-10%, Longitud: ±5mm
Special Shapes: Redondo, square, rectangular, oval, hexagonal, and custom profiles
Key Features & Ventajas
- Medium-to-high strength with excellent strength-to-weight ratio
- Excellent weldability – fully weldable with 4043 o 5356 filler wire
- Good corrosion resistance – suitable for outdoor and marine-adjacent environments
- Outstanding machinability – ideal for precision-machined components
- Good formability – can be bent, flared, flanged, and formed
- Heat treatable – T6 condition delivers maximum mechanical properties
- Excellent anodizing response – attractive and durable finishes
- Available seamless or extruded to suit different applications
- Consistent dimensional accuracy with tight tolerances
- Ligero – reduces structural weight and handling costs
Aplicaciones
- Structural frameworks – railings, handrails, ladders, scaffolding, support frames
- Automotive – drive shafts, air brake lines, trim, marcos, heat exchanger tubes
- Aerospace – hydraulic and pneumatic tubing, fuel lines, structural ducts
- Bicycle and motorcycle – marcos, handlebars, racks, suspension parts
- Hydraulic and pneumatic systems – cylinders, piping, pressure lines
- Heat exchangers – condenser and evaporator tubing, cooling coils
- Construcción – curtain wall mullions, canopies, gates, fencing
- Marina – masts, rigging, handrails, boat structures
- Machinery – conveyor rollers, guide tubes, shafts, machine guards
- Electrónica – LED heat sink housings, antenna masts, enclosures frames
- General engineering – bus bars, soportes, spacers, standoffs, guarniciones

Quality Control & Testing
Every batch of our 6061 aluminum tubes undergoes strict quality control:
Chemical Analysis: Spectrometer verification of Mg, Y, Cu, Cr content
Mechanical Testing: Tensile test, yield strength test, elongation test, hardness test (per temper)
Heat Treatment Verification: Hardness and conductivity testing to verify T6 treatment
Dimensional Inspection: DE, wall thickness, roundness, straightness, and length checks
Surface Inspection: Visual inspection for scratches, die lines, pits, and stains
Pressure Testing: Hydrostatic or eddy current testing for seamless tubes (on request)
Documentation: Mill Test Certificate (MTC), material traceability, conformity certificate
embalaje & Envío
embalaje: Standard export packaging – tubes bundled with plastic caps on both ends, wrapped in waterproof kraft paper and plastic film, wooden pallets or crates, steel strapping; protective paper interleaving for anodized surfaces
Marking: Aleación, temperamento, tamaño, heat number, standard, manufacturer logo
Trade Terms: ENGAÑAR, CIF, CFR, EXW, DDP
Pago: T/T (30% deposit, 70% before shipment), L/C at sight, Western Union, Paypal (sample orders)
Tiempo de entrega: Standard sizes in stock – 3-7 días; Custom sizes – 15-30 días
Cantidad mínima de pedido: 300 kg for standard sizes; custom orders negotiable
Loading Port: Qingdao, Shanghai, Tianjin, Ningbo, or as requested
Por qué elegirnos
With over 15 years of experience in aluminum manufacturing and export, we are a trusted supplier of 6061 aluminum tubes to automotive, construcción, and machinery companies in more than 50 países. Our factory is equipped with modern extrusion, drawing, heat treatment, and testing lines, ensuring consistent quality and dimensional accuracy. We maintain large inventory of standard sizes and tempers for immediate delivery, and our experienced team can provide technical consultation and customized solutions for your specific applications. Contact us today for a competitive quote!
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