Alyuminiy qotishmasi 6061: Comprehensive Technical Specifications and Application Guide
As a professional aluminum supplier and exporter based in Bandung, we are committed to providing global clients with high-quality aluminum materials that meet international standards. Alyuminiy qotishmasi 6061 is one of the most popular and widely used grades in our core export product portfolio. This article provides a comprehensive technical introduction to Aluminum Alloy 6061, helping you gain an in-depth understanding of the properties, spetsifikatsiyalar, and applications of this “versatile aluminum alloy.”
1. Alloy Overview and Metallurgical Characteristics
Alloy Family:. 6061 belongs to the Al-Mg-Si series of heat-treatable strengthening aluminum alloys.
Primary Strengthening Phase: Mg₂Si
Standard Temper: T6 (Solution heat-treated and then artificially aged) is the most commonly supplied condition.
International Standard Equivalents:
- Xitoy: 6061 (GB / t 3190)
- AQSh: 6061 (ASTM B221, ASTM B211)
- Boshqa: EN AW-6061 (Ichida 573)
- Yapon: A6061 (JIS H4000)
2. Detailed Chemical Composition Analysis
Kimyoviy tarkibi 6061 aluminum alloy is strictly controlled to ensure consistent performance.
| Element | Tarkib diapazoni (%) | Function and Influence |
|---|---|---|
| Kremniy (Va) | 0.40-0.80 | Forms the Mg₂Si strengthening phase with magnesium, increasing strength. |
| Temir (Fe) | ≤0,70 | Nopoklik elementi, content must be controlled. |
| Mis (Cu) | 0.15-0.40 | Improves strength and corrosion resistance. |
| Marganets (Mn) | ≤0,15 | Don tuzilishini yaxshilaydi, improves strength. |
| Magniy (Mg) | 0.80-1.20 | Forms the primary strengthening phase Mg₂Si with silicon. |
| Chromium (Cr) | 0.04-0.35 | Controls grain structure, improves corrosion resistance. |
| Sink (Zn) | ≤0.25 | Nopoklik elementi, content must be controlled. |
| Titan (Of) | ≤0,15 | Don tuzilishini yaxshilaydi, improves casting properties. |
| Boshqa elementlar | ≤0.05 (har biri) ≤0,15 (jami) |
– |
| alyuminiy (Al) | Balans | Asosiy metall. |
3. Comprehensive Physical and Mechanical Properties
Jismoniy xususiyatlar:
- Zichlik: 2.70 g/sm³ (Approx. 1/3 that of steel)
- Erish diapazoni: 582-652°C
- Muayyan issiqlik sig'imi: 896 J /(kg·K) 20 ° C da
- Termal kengayish koeffitsienti: 23.6×10⁻⁶/K (20-100°C)
- Issiqlik o'tkazuvchanligi: 167 W /(maky) (T6 temperli)
- Elektr o'tkazuvchanligi: 40-50% Qaroqchi (Xalqaro yumshatilgan mis standart)
- Elastiklik moduli: 68.9 Gpa
- Poissonning nisbati: 0.33
Mexanik xususiyatlar (Typical values for T6 temper):
| Mulk | Qiymat diapazoni | Sinov standarti |
|---|---|---|
| Mustahkamlik chegarasi (Rm) | 310-380 MPa | ASTM E8/E8M |
| Hosildorlik kuchi (Rp0,2) | 276-345 MPa | ASTM E8/E8M |
| Cho'zilish (A50 mm) | 10-17% | ASTM E8/E8M |
| Qattiqlik | 95-100 HB | ASTM E10 |
| Charchoq kuchi | 96 MPa (5×10⁸ cycles) | – |
| Kesish kuchi | 207 MPa | – |
4. Detailed Explanation of Heat Treatment Tempers
6061 aluminum alloy can achieve desired properties through different heat treatments:
| Temper Designation | Heat Treatment Process | Asosiy xususiyatlar | Odatda arizalar |
|---|---|---|---|
| T4 | Solution heat-treated and naturally aged. | O'rtacha kuch, yaxshi shakllanish qobiliyati. | Components requiring subsequent forming. |
| T6 | Solution heat-treated and artificially aged. | Yuqori quvvat, good overall performance. | Tarkibiy qismlar, mechanical components. |
| T651 | Solution heat-treated, stress-relieved by stretching, and artificially aged. | Stress-relieved, excellent dimensional stability. | Precision machined parts. |
| T6511 | Slightly stress-relieved by stretching. | Reduced residual stress, improved flatness. | Yupqa varaq, precision components. |
| O | Tavlangan. | Yumshoq, mukammal shakllanish qobiliyati. | Components requiring deep forming. |
5. Product Forms and Standard Specifications
Biz yetkazib beramiz 6061 aluminum in various forms to meet different processing needs.
Aluminum Profiles (Extruded):
- Minimum Cross-Section Size: Circumcircle diameter up to 250mm.
- Wall Thickness Range: 0.8mm-12mm (depending on design).
- Uzunlik: Standart 6 metr, moslashtirilgan.
- Tolerances: Comply with ASTM B221.
Aluminum Sheet/Coil:
- Qalinlik oralig'i: 0.3mm-150mm.
- Kenglik diapazoni: 500mm-2500mm.
- Yuzaki tugatish: Favqulodda (as-fabricated), H112 (hot-finished), O (tavlangan), T6/T651.
- Special Requests: Stress-relieved (stretcher leveled) plate available.
Aluminum Bar:
- Diametr diapazoni: φ5mm-φ500mm.
- Shakllar: Dumaloq, square, hexagon.
- Supply Tempers: T6, T6511, O.
- Tolerance Grades: Hot-rolled, forged, precision drawn.
Aluminum Tube/Pipe:
- Outer Diameter Range: φ6mm-φ300mm.
- Wall Thickness Range: 0.5mm-25mm.
- Turlari: Seamless, payvandlangan.
- Standartlar: Comply with ASTM B210/B221.
6. Machining and Fabrication Properties
Ishlov berish qobiliyati:
- Machinability Rating: Yaxshi (Approx. 50% relative to Alloy 2011 rated at 100%).
- Recommended Cutting Speeds: HSS tools 60-90 m/men, Carbide tools 120-240 m/men.
- Yuzaki tugatish: Good machined surface obtainable.
Payvandlash qobiliyati:
- Gas Tungsten/ Metal Inert Gas (TIG/ME) Payvandlash: Ajoyib.
- Resistance Welding: Yaxshi.
- Gas Welding: Tavsiya etilmaydi.
- Post-Weld Treatment: Can be re-heat-treated to restore properties.
- Filler Materials: 4043 yoki 5356 aluminum welding wire.
Shakllanuvchanlik:
- Cold Working: Yaxshi (Best in annealed -O temper).
- Hot Working Temperature: 370-480°C.
- Minimal egilish radiusi: Taxminan 1-2 times material thickness (depends on temper).
7. Surface Treatment Options
We can provide or recommend various surface treatments:
| Treatment Type | Jarayon tavsifi | Qoplama qalinligi / Effekt | Amaldagi standartlar |
|---|---|---|---|
| Anodlash | Sulfuric acid anodizing, colorable. | 5-25mkm | MIL-A-8625, ISO 7599 |
| Kimyoviy konversion qoplama | Chromate or chrome-free treatment. | 0.3-1.0mkm | MIL-DTL-5541 |
| Chang qoplamasi | Electrostatic spray and bake curing. | 40-120mkm | AMAMA 2604/2605 |
| Sandblasting/Bead Blasting | Mechanical blasting for uniform matte finish. | Controllable surface roughness. | Customer specification. |
| Polishing/Brushing | Mechanical or chemical polishing. | Mirror or brushed finish. | Customer specification. |
8. Corrosion Resistance and Environmental Suitability
- Atmospheric Corrosion: Good resistance, especially in dry and rural environments.
- Stressli korroziyaning yorilishi (SCC) Susceptibility: Good resistance in T6 temper.
- Marine Environment: Moderate resistance; significantly improved after anodizing.
- Acid/Alkali Environments: Resistant to weak acids/alkalis; corrodes in strong acids/alkalis.
- Contact with Other Metals: Avoid direct contact with dissimilar metals like copper, steel to prevent galvanic corrosion.
9. Quality Control and Certifications
We ensure all exported 6061 Aluminum Alloy complies with the following standards:
Moddiy attestatsiya:
- Mill Test Certificate (MTC) provided for each batch.
- Chemical composition meets standard requirements.
- Mechanical property test report.
- Dimensional tolerance inspection report.
Kuzatish imkoniyati:
- Complete production batch records.
- Heat treatment records.
- Inspection and test records retained for at least 10 yillar.
Third-Party Certification:
- Third-party inspection (masalan., SGS, BV, TUV) can be arranged.
- Complies with environmental directives like RoHS, REACH.
- Special certifications provided per customer request.
10. Packaging and Shipping Standards
We provide professional packaging to ensure product quality during international shipping.
| Mahsulot turi | Standard Packing Method | Special Protection | Marking Requirements |
|---|---|---|---|
| Profiles/Bars | Wrapped in waterproof paper, bundled in wooden cases or metal racks. | End caps, moisture-proof paper. | Shipping mark, specs, vazn, batch no. |
| Sheets/Plates | Wooden pallets, separated by anti-rust paper, steel strapped. | Edge protectors, desiccant. | Lifting marks, fragile marks. |
| Precision Parts | Custom wooden crates, foam positioning, anti-rust treatment. | VCI paper, individual wrapping. | “This Side Up” marks, center of gravity marks. |
11. Global Application Cases
Bizning 6061 Aluminum Alloy has been successfully used in various international projects:
European Market:
- German Automotive Parts Manufacturer: Structural components for EV battery trays.
- Italian Industrial Equipment Company: High-precision machine tool rails and brackets.
- Dutch Bicycle Manufacturer: Tubing for high-end aluminum bicycle frames.
American Market:
- US Aerospace Tier-2 Supplier: Aircraft interior structural parts.
- Canadian Solar Company: Photovoltaic mounting system structures.
- Brazilian Construction Firm: Curtain wall system profiles.
Asian Market:
- Japanese Electronics Company: Frames for semiconductor equipment.
- Korean Marine Equipment Supplier: Ship structural components.
- Singapore Medical Device Company: Chassis for medical equipment.
Oceania Market:
- Australian Mining Equipment Manufacturer: Lightweight equipment parts.
- New Zealand Fishing Company: Structural parts for fishing vessels.
12. Material Selection and Design Advice
When to Choose 6061 Alyuminiy qotishmasi:
- Requires a good strength-to-weight ratio.
- Requires good machinability and weldability.
- Requires moderate corrosion resistance.
- Cost-effectiveness is an important consideration.
- Requires surface treatments like anodizing.
When to Consider Other Alloys:
- Need higher strength: Consider 7075 yoki 2024.
- Need better corrosion resistance: Consider 5052 yoki 5083.
- Need better formability: Consider 3003 yoki 1100.
- Need higher temperature performance: Consider 2xxx series.
Design Considerations:
- Recommended minimum bend radius is 1.5-2 times material thickness.
- Strength is reduced in welded areas; consider appropriate reinforcement.
- Ensure proper heat dissipation during machining to avoid overheating material.
- Ensure thorough cleaning and degreasing before anodizing.
We understand that selecting the correct aluminum material is crucial to the success of your product. Alyuminiy qotishmasi 6061, with its excellent overall performance and cost-effectiveness, is one of the most popular choices in global manufacturing. Ga qo'shimcha sifatida 6061, we also supply other aluminum alloy series, shu jumladan 5000 va 7000 seriya, to meet diverse application needs.
We Can Provide:
- Detailed Technical Data Sheets (TDS) and Material Safety Data Sheets (MSDS).
- Free samples for your testing and verification.
- Technical consultation for your specific application.
- Competitive FOB/CIF quotations.
- Flexible Minimum Order Quantities (MOQ) and customization services.
For more information, to request samples, or to discuss your specific requirements, please feel free to contact our international sales team. We offer multilingual support to ensure smooth communication and will recommend the most suitable material specifications, xulq-atvor, and heat treatment processes based on your application.