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Product Overview
Aluminum Round Bar 6061 is a precipitation-hardened aluminum-magnesium-silicon (Al-Mg-Si) alloy rod, one of the most versatile and widely machined aluminum products in the industry. It combines medium-to-high strength, excellent machinability, good weldability, and superior corrosion resistance. ملكنا 6061 aluminum round bars are available in T4, T6, T651 and T6511 tempers, produced per ASTM B211, جيجابايت/ت 3191, في 755 and JIS H4040 standards, with diameters from 3 mm to 500 mm and custom lengths.
التركيب الكيميائي (%), ASTM B211 / 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, Bar)
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 T6 (Solution Treated & Artificially Aged): قوة الشد 290-310 الآلام والكروب الذهنية, قوة الغلة 240-290 الآلام والكروب الذهنية, استطالة 8-12%
Temper T651 (T6 + Stress Relieved): قوة الشد 290-310 الآلام والكروب الذهنية, قوة الغلة 240-290 الآلام والكروب الذهنية, استطالة 8-12%
Temper T6511 (T6 + Stress Relieved, Extruded): قوة الشد 290-310 الآلام والكروب الذهنية, قوة الغلة 240-290 الآلام والكروب الذهنية, استطالة 8-12%
صلابة: 95 HB (T6)
قوة القص: 205 الآلام والكروب الذهنية (T6)
قوة التعب: 96 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 B211 (rolled/drawn), ASTM B221 (extruded), جيجابايت/ت 3191, في 755-2 / 755-3, JIS H4040, QQ-A-225/8
Diameter: 3 مم – 500 مم (0.12″ – 19.7″)
طول: 1 م – 12 م (custom cutting available)
حِدّة: ا, T4, T6, T651, T6511
يكتب: Extruded bar, rolled bar, drawn bar, precision ground bar
صقل الأسطح: Mill finish, Bright, Drawn, Precision ground (h7-h9), Anodized
تسامح: Diameter: ±0.1mm (drawn) to ±1.0mm (extruded), Straightness: ≤1mm/m
Special: Precision ground bars with h7/h8/h9 tolerance for machining centers
Key Features & مزايا
- Excellent machinability – ideal for CNC turning, milling, and drilling
- Medium-to-high strength – reliable for structural and load-bearing parts
- Good corrosion resistance – suitable for indoor and outdoor applications
- Excellent weldability – fully weldable with 4043 أو 5356 filler
- Heat treatable – T6 temper provides maximum mechanical properties
- Good dimensional stability – stress-relieved tempers available
- Consistent roundness and straightness – tight tolerances
- خفيف الوزن – reduces component weight in machinery and transport
- Good anodizing response – attractive protective finishes
- Available in precision ground condition – ready for high-precision parts
التطبيقات
- Machinery – shafts, spindles, rollers, pins, التروس, valve stems
- Automotive – drive shafts, suspension parts, fasteners, spacers
- مهمات الربط – bolts, مسامير, studs, المسامير, المكسرات
- بناء – structural members, اقواس, anchors, fittings
- Aerospace – non-critical structural parts, اقواس, fittings
- البحرية – propeller shafts, fittings, hardware
- إلكترونيات – heat sink rods, antenna elements, support rods
- Tooling – mold components, الرقص, تركيبات, mandrels
- Sports equipment – archery components, climbing gear, poles
- General engineering – bushings, standoffs, dowels, custom machined parts
Quality Control & Testing
Every batch of our 6061 aluminum round bars 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: Diameter, roundness, straightness, and length checks
Surface Inspection: Visual inspection for scratches, pits, laps, and die marks
Ultrasonic Testing: UT inspection for internal soundness (available on request)
Documentation: Mill Test Certificate (MTC), material traceability, conformity certificate
التعبئة والتغليف & شحن
التعبئة والتغليف: Standard export packaging – bars bundled with steel straps or polypropylene straps, protective paper or film wrapping, wooden pallets or crates for heavy bundles; individual protective tubes for precision ground bars
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 round bars to machinery manufacturers, fastener producers, and automotive companies in more than 50 بلدان. Our factory is equipped with modern extrusion, drawing, heat treatment, and precision grinding lines, ensuring consistent quality and tight 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!
