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Product Overview
أنبوب ألومنيوم 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, مقاومة تآكل جيدة, and superior machinability. ملكنا 6061 aluminum tubes are available as seamless tubes and extruded tubes, in T4, T5, T6 and T6511 tempers, produced per ASTM B210, ASTM B221, جيجابايت/ت 4437, في 755 and JIS H4080 standards, with custom outer diameters, wall thicknesses, وأطوال.
التركيب الكيميائي (%), ASTM B221 / جيجابايت/ت 3190
ال (الألومنيوم): 95.8 – 98.6 (balance)
ملغ (Magnesium): 0.8 – 1.2
و (السيليكون): 0.4 – 0.8
النحاس (نحاس): 0.15 – 0.40
سجل تجاري (Chromium): 0.04 – 0.35
Fe (حديد): 0.70 max
Zn (Zinc): 0.25 max
مينيسوتا (المنغنيز): 0.15 max
ل (Titanium): 0.15 max
Others Each: 0.05 max, Others Total: 0.15 max
الخصائص الميكانيكية (Typical Values, Tube)
Temper T4 (Solution Heat Treated & Naturally Aged): قوة الشد 180-240 الآلام والكروب الذهنية, قوة الغلة 110-170 الآلام والكروب الذهنية, استطالة 14-18%
Temper T5 (Cooled & Artificially Aged): قوة الشد 230-270 الآلام والكروب الذهنية, قوة الغلة 180-230 الآلام والكروب الذهنية, استطالة 8-12%
Temper T6 (Solution Treated & Artificially Aged): قوة الشد 260-310 الآلام والكروب الذهنية, قوة الغلة 240-290 الآلام والكروب الذهنية, استطالة 8-12%
Temper T6511 (T6 + Stress Relieved): قوة الشد 260-310 الآلام والكروب الذهنية, قوة الغلة 240-290 الآلام والكروب الذهنية, استطالة 8-12%
صلابة: 95 HB (T6)
قوة القص: 200 الآلام والكروب الذهنية (T6)
قوة التعب: 95 الآلام والكروب الذهنية (T6, at 5×10⁸ cycles)
الخصائص الفيزيائية
كثافة: 2.70 g/cm³ (0.0975 lb/in³)
Melting Point: 582-652درجة مئوية (1080-1205درجة فهرنهايت)
توصيل حراري: 167 W/(m·K) at 25°C (T6)
الموصلية الكهربائية: 43% IACS (T6)
Electrical Resistivity: 4.0 × 10⁻⁸ Ω·m
Thermal Expansion Coefficient: 23.6 × 10⁻⁶/K (20-100درجة مئوية)
معامل المرونة: 68.9 المعدل التراكمي (10,000 ksi)
Poisson Ratio: 0.33
Specifications
المعايير: ASTM B210 (seamless), ASTM B221 (extruded), جيجابايت/ت 4437.1, في 755-2 / 755-5, JIS H4080, ASME SB210
Outer Diameter: 3 مم – 500 مم (0.12″ – 19.7″)
سمك الحائط: 0.4 مم – 40 مم (0.016″ – 1.57″)
طول: 1 م – 12 م (custom cutting available)
حِدّة: T4, T5, T6, T6511, T6 drawn
يكتب: Seamless tube, extruded tube, drawn tube
صقل الأسطح: Mill finish, Bright, Anodized (silver, black, bronze), Powder coated, Polished
تسامح: من: ±0.1mm (drawn) to ±1.0mm (extruded), Wall: ±5-10%, طول: ±5mm
Special Shapes: دائري, square, rectangular, oval, hexagonal, and custom profiles
Key Features & مزايا
- Medium-to-high strength with excellent strength-to-weight ratio
- Excellent weldability – fully weldable with 4043 أو 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
- خفيف الوزن – reduces structural weight and handling costs
التطبيقات
- Structural frameworks – railings, handrails, ladders, scaffolding, support frames
- Automotive – drive shafts, air brake lines, trim, إطارات, heat exchanger tubes
- Aerospace – hydraulic and pneumatic tubing, fuel lines, structural ducts
- Bicycle and motorcycle – إطارات, handlebars, racks, suspension parts
- Hydraulic and pneumatic systems – cylinders, piping, pressure lines
- Heat exchangers – condenser and evaporator tubing, cooling coils
- بناء – curtain wall mullions, canopies, gates, fencing
- البحرية – masts, rigging, handrails, boat structures
- Machinery – conveyor rollers, guide tubes, shafts, machine guards
- إلكترونيات – LED heat sink housings, antenna masts, enclosures frames
- General engineering – bus bars, اقواس, spacers, standoffs, fittings
Quality Control & Testing
Every batch of our 6061 aluminum tubes undergoes strict quality control:
Chemical Analysis: Spectrometer verification of Mg, و, النحاس, 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: من, 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
التعبئة والتغليف & شحن
التعبئة والتغليف: 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: سبيكة, حِدّة, مقاس, heat number, standard, manufacturer logo
Trade Terms: فوب, سيف, CFR, EXW, DDP
قسط: T/T (30% deposit, 70% before shipment), L/C at sight, Western Union, PayPal (sample orders)
مهلة: Standard sizes in stock – 3-7 أيام; Custom sizes – 15-30 أيام
موك: 300 kg for standard sizes; custom orders negotiable
Loading Port: Qingdao, Shanghai, Tianjin, Ningbo, or as requested
لماذا أخترتنا
With over 15 years of experience in aluminum manufacturing and export, we are a trusted supplier of 6061 aluminum tubes to automotive, بناء, and machinery companies in more than 50 بلدان. 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!
