6061 T6 Aluminum Sheet

Model: 6061 T6 Aluminum Sheet

Applications: Aerospace, automotive, construction, industrial equipment, electronics, marine & energy

Customization: Thickness/size/surface treatment/performance parameters

Certifications: ISO 9001/ISO 14001/IATF 16949/AS 9100/ASTM/EN/GB

Core Features: High strength, corrosion resistance, easy machining, lightweight, cost-effective

Packaging: Fumigated wooden pallet + moisture-proof film + steel strip reinforcement

6061 T6 Aluminum Sheet

6061 T6 aluminum sheet is a heat-treatable wrought alloy primarily composed of magnesium and silicon, renowned for its exceptional balance of strength, corrosion resistance, and machinability. As one of the most widely used aluminum alloys worldwide, it serves diverse industries from aerospace to automotive, making it a preferred choice for high-performance structural applications. Below is a comprehensive guide to its specifications, properties, applications, and more.
6061 T6 Aluminum Sheet
6061 T6 Aluminum Sheet

1. Export Specification Data Sheet of 6061 T6 Aluminum Sheet

Our 6061 T6 aluminum sheets comply with international standards, ensuring consistent quality for global shipments. The detailed specification table is as follows:
Standard
Temper
Thickness Range
Width Range
Length Range
Surface Treatment
Chemical Composition Compliance
Testing Standard
Packaging Standard
ASTM B209 / ASME SB209
T6 / T651
0.2mm – 250mm
900mm – 2650mm
2000mm – 12000mm (Customizable)
Mill Finish, Polished, Brushed, Anodized, Sandblasted
Al balance, Mg 0.8-1.2%, Si 0.4-0.8%, Cu 0.15-0.4%
UT (100%), Hardness Test, Tensile Test, Chemical Analysis
Fumigated Wooden Pallet, Moisture-Proof Film, Steel Strip Reinforcement
EN 485-2 / DIN EN 485-2
T6 / T651
0.2mm – 250mm
900mm – 2650mm
2000mm – 12000mm (Customizable)
Mill Finish, Polished, Brushed, Anodized, Sandblasted
Al balance, Mg 0.8-1.2%, Si 0.4-0.8%, Cr 0.04-0.35%
EN 10204 3.1, Macro-Micro Analysis
Fumigated Wooden Pallet, Moisture-Proof Film, Steel Strip Reinforcement
GB/T 3190 (Chinese Standard)
T6
0.2mm – 250mm
900mm – 2650mm
2000mm – 12000mm (Customizable)
Mill Finish, Polished, Brushed, Anodized
Al balance, Mg 0.8-1.2%, Si 0.4-0.8%, Fe ≤0.7%
GB/T 228, GB/T 231, Chemical Composition Analysis
Fumigated Wooden Pallet, Moisture-Proof Film, Steel Strip Reinforcement

2. Classification of 6061 T6 Aluminum Sheet

6061 T6 aluminum sheets are classified based on temper, surface treatment, and application scenarios, to meet diverse industry needs. The main classifications are as follows:
  • By Temper: T6 (Solution Heat-Treated + Artificially Aged), T651 (Stress-Relieved by Stretching after T6 Treatment)
  • By Surface Treatment: Mill Finish, Polished Finish, Brushed Finish, Anodized Finish, Sandblasted Finish, Checkered (Diamond) Finish
  • By Application: Aerospace Grade, Automotive Grade, Construction Grade, Industrial Equipment Grade, Electronic Product Grade

3. Parameters of Each Classification

Each classification of 6061 T6 aluminum sheet has specific parameters tailored to its use case. The detailed parameters are shown in the table below:
Classification Type
Classification
Key Parameters
Applicable Scenarios
By Temper
T6
Tensile Strength: 310-320MPa; Yield Strength: 270-280MPa; Elongation: 12-17%; Hardness (HB): 95-105
Fuselage structures, engine brackets, structural components
T651
Tensile Strength: 310-320MPa; Yield Strength: 270-280MPa; Flatness: ≤0.5mm/m; Stress Corrosion Resistance: Excellent
Airframe casings, fuel tanks, hydraulic systems, precision machining parts
By Surface Treatment
Polished Finish
Surface Roughness (Ra): ≤0.8μm; Glossiness: ≥90GU; Thickness Tolerance: ±0.02mm
Electronic product casings, decorative parts
Anodized Finish
Anodized Layer Thickness: 5-20μm; Corrosion Resistance: Salt Spray Test ≥96h; Color: Silver, Black, Gold (Customizable)
Architectural curtain walls, outdoor decorative parts
Checkered Finish
Thickness: 1.2-8mm; Checker Size: 3×3mm-10×10mm; Load-Bearing Capacity: ≥2000N/m²
Floor plates, ship decks, industrial platforms
Sandblasted Finish
Surface Roughness (Ra): 1.6-3.2μm; Uniformity: ≥95%; Adhesion: Grade 1
Mold bases, mechanical equipment panels
By Application
Aerospace Grade
Certifications: AS 9100, NADCAP; Impurity Content: ≤0.005%; Fatigue Resistance: ≥10⁶ Cycles
Aircraft wings, rocket fuel brackets, satellite components
Automotive Grade
Certifications: IATF 16949; Heat Resistance: -40℃ to 120℃; Formability: ≥15% Elongation
Battery trays, body frames, radiators
Electronic Product Grade
Thickness Tolerance: ±0.01mm; Thermal Conductivity: 237W/(m·K); Machining Precision: ±0.005mm
Laptop casings, smartphone middle frames, camera brackets

4. Properties of 6061 T6 Aluminum Sheet

6061 T6 aluminum sheet exhibits excellent comprehensive properties, combining mechanical strength, corrosion resistance, and processability. The detailed properties are categorized below:

4.1 Chemical Properties

Alloy Element
Content Range (%)
Function
Aluminum (Al)
Balance
Base metal, ensuring lightweight and basic mechanical properties
Magnesium (Mg)
0.80-1.20
Forms Mg₂Si with silicon, enhancing strength through heat treatment
Silicon (Si)
0.40-0.80
Forms Mg₂Si, improving wear resistance and castability
Copper (Cu)
0.15-0.40
Enhances strength and hardness, improves machinability
Chromium (Cr)
0.04-0.35
Refines grain structure, improves corrosion resistance and toughness
Iron (Fe)
≤0.70
Impurity element, controlled to avoid reducing ductility
Zinc (Zn)
≤0.25
Minor impurity, minimal impact on properties
Titanium (Ti)
≤0.15
Controls grain size, improves weldability
6061 T6 Aluminum Sheet -2
6061 T6 Aluminum Sheet -2

4.2 Mechanical Properties

Property
Value (T6 Temper)
Test Standard
Tensile Strength
310-320 MPa
ASTM B209 / GB/T 228
Yield Strength
270-280 MPa
ASTM B209 / GB/T 228
Elongation (50mm Gauge Length)
12-17%
ASTM B209 / GB/T 228
Brinell Hardness (HB)
95-105
ASTM E10 / GB/T 231
Modulus of Elasticity
69 GPa
ASTM E111 / GB/T 22315
Shear Strength
200-210 MPa
ASTM B209 / GB/T 239
Fatigue Strength (10⁶ Cycles)
110 MPa
ASTM E466 / GB/T 3075

4.3 Physical & Processing Properties

Property Type
Specific Property
Value
Physical Properties
Density
2.70 g/cm³ (1/3 of steel)
Melting Range
582-652 ℃ (1080-1206 ℉)
Thermal Conductivity
237 W/(m·K) at 25℃
Electrical Conductivity
35-43% IACS
Coefficient of Thermal Expansion
23.6 × 10⁻⁶ /K (20-100℃)
Specific Heat Capacity
900 J/(kg·K) at 25℃
Processing Properties
Weldability
Excellent (MIG/TIG welding, no strength loss after welding)
Machinability
Superior (cutting speed 6x faster than steel)
Formability
Good (bending, stamping, rolling available)
Anodizability
Excellent (uniform oxide film, strong adhesion)
Corrosion Resistance
General Corrosion Resistance
Excellent (resists atmospheric, industrial, and marine environments)

5. Applications of 6061 T6 Aluminum Sheet

Benefiting from its versatile properties, 6061 T6 aluminum sheet is widely used in multiple high-end industries. The detailed application scenarios are as follows:

5.1 Aerospace Industry

Applied in aircraft fuselage structures, wing components, landing gear parts, rocket fuel brackets, and satellite components. It meets aerospace-grade standards (AS 9100, NADCAP) and balances high strength and lightweight, reducing flight energy consumption and launch costs .

5.2 Automotive Industry

Widely used in new energy vehicle battery trays, body frames, engine brackets, radiators, and high-end car wheel hubs. For example, Tesla Cybertruck uses 6mm 6061 T6 sheets for its body exoskeleton, achieving 40% weight reduction and improving battery life .

5.3 Construction Industry

Ideal for architectural curtain wall keels, bridge railings, movable house frames, and photovoltaic brackets. The roof grid of Beijing Daxing International Airport uses 6061 T6 sheets, with a single load-bearing capacity of 80 tons and 60% weight reduction compared to steel .

5.4 Industrial Equipment Industry

Used in robot arms, automated production line guides, mold bases, and pressure vessels. Its high rigidity and low inertia improve equipment motion precision, while excellent machinability reduces manufacturing costs .

5.5 Electronic Product Industry

Applied in laptop casings (0.5mm ultra-thin thickness), smartphone middle frames, and camera brackets. Its precise machining performance and excellent heat dissipation ensure stable operation of electronic devices .

5.6 Marine & Energy Industry

Suitable for ship structural parts, marine platform components, and radiators. It resists seawater corrosion and reduces ship weight to improve navigation efficiency .
6061 T6 Aluminum Sheet -3
6061 T6 Aluminum Sheet -3

6. About Eco Alum Co., Ltd

Eco Alum Co., Ltd is a leading manufacturer and exporter of 6061 T6 aluminum sheets, dedicated to providing high-quality aluminum alloy products for global customers. With over 15 years of industry experience, we have established a complete production and quality control system.
  • Production Capacity: Annual output of 80,000 tons of aluminum sheets and plates, with 5 advanced rolling lines and heat treatment workshops, supporting large-batch and customized orders.
  • Quality Certifications: We hold ISO 9001, ISO 14001, IATF 16949, and AS 9100 certifications, and our products comply with ASTM, EN, and GB standards. All products undergo 100% UT testing and chemical composition analysis.
  • Technical Team: Equipped with 20+ senior engineers and a R&D team, we provide customized solutions for customers in aerospace, automotive, and other high-end industries.
  • Global Presence: Our products are exported to 50+ countries and regions, including the United States, Europe, Southeast Asia, and the Middle East, with long-term partnerships with well-known enterprises in the automotive and aerospace industries.
  • Core Concept: Adhere to “quality first, eco-friendly production”, and commit to providing cost-effective aluminum alloy products while reducing environmental impact.

7. Transportation Convenience

We optimize the entire transportation process to ensure timely and safe delivery of products to global customers, with the following advantages:
  • Strategic Location: Our factory is adjacent to Shanghai and Ningbo ports, two of the world’s largest container ports, reducing inland transportation time and costs. The average delivery time to the port is 24-48 hours.
  • Professional Packaging: Export products adopt fumigated wooden pallets with moisture-proof film and steel strip reinforcement, preventing scratches, moisture, and deformation during transportation. We also provide customized packaging according to customer requirements .
  • Cooperative Logistics Partners: Cooperate with MAERSK, COSCO, DHL, and FedEx to provide sea, air, and land transportation options. The average sea freight delivery time to Europe is 25-35 days, and to North America is 20-30 days.
  • Customs Clearance Support: Provide complete customs clearance documents (commercial invoice, packing list, certificate of origin, material test report) to simplify the customs clearance process for customers and avoid delays.
  • Real-Time Tracking: Provide logistics tracking information in real time, allowing customers to monitor the product transportation status at any time.

8. Comparison with Other Alloy Grades

Compared with other common aluminum alloy sheets, 6061 T6 has obvious advantages in comprehensive performance and cost-effectiveness. The detailed comparison is as follows:
Alloy Grade
Main Alloy Elements
Tensile Strength (MPa)
Corrosion Resistance
Machinability
Cost
Key Advantages
Typical Applications
6061 T6
Mg, Si
310-320
Excellent
Excellent
Medium
Balanced strength, corrosion resistance, and processability; cost-effective
Aerospace, automotive, construction, industrial equipment
6063 T6
Mg, Si
240-260
Good
Good
Low
Excellent formability and anodizability; low cost
Architectural profiles, window frames, decorative parts
5052 H32
Mg
230-260
Superior
Good
Medium-High
High corrosion resistance; non-heat-treatable
Marine equipment, fuel tanks, chemical containers
7075 T6
Zn, Mg, Cu
540-580
Poor
Fair
High
Ultra-high strength; lightweight
Aerospace high-load parts, military equipment
2024 T3
Cu, Mg
480-520
Poor (susceptible to corrosion)
Fair
High
High strength and fatigue resistance
Aircraft wings, fuselage parts

9. Practical Cases

Our 6061 T6 aluminum sheets have been successfully applied in multiple large-scale projects and well-known enterprise products, with proven performance and reliability:

Case 1: New Energy Vehicle Battery Tray Project

Customer: A leading new energy vehicle manufacturer in Europe Product: 6061 T6 aluminum sheets (thickness 4-8mm, anodized finish) Application: Battery trays for electric SUVs Project Advantages: The product achieves 35% weight reduction compared to steel trays, improving the vehicle’s cruising range by 15%. The anodized layer enhances corrosion resistance, ensuring a service life of over 8 years. We delivered 5,000 tons of products within 3 months, meeting the customer’s mass production schedule.

Case 2: Aerospace Component Supply

Customer: A global aerospace parts supplier Product: Aerospace-grade 6061 T651 aluminum sheets (thickness 10-20mm, polished finish) Application: Aircraft fuselage structural parts Project Advantages: The product meets AS 9100 and NADCAP certifications, with strict dimensional tolerance control (±0.02mm) and 100% UT testing. It has been used in commercial aircraft, with excellent fatigue resistance and lightweight performance, reducing aircraft weight by 8%.

Case 3: Architectural Curtain Wall Project

Customer: A large construction company in the Middle East Product: 6061 T6 aluminum sheets (thickness 2-5mm, sandblasted finish) Application: Curtain wall of a luxury hotel in Dubai Project Advantages: The product resists high temperature (50℃) and high salt environment, with a service life of over 18 years. The sandblasted finish provides a high-end appearance, matching the hotel’s design style. We provided customized cutting and packaging, ensuring on-time delivery for the project.
6061 T6 Aluminum Sheet -1
6061 T6 Aluminum Sheet -1

10. Q&A

Below are the most frequently asked questions by customers about 6061 T6 aluminum sheets. If you have other questions, please contact us directly:

Q1: What is the minimum order quantity (MOQ) for 6061 T6 aluminum sheets?

A1: The MOQ is 500kg for standard sizes and surface treatments. For customized sizes or special surface treatments, the MOQ is 1,000kg. We also accept small-batch sample orders (10-50kg) for customer testing.

Q2: Can you provide samples before mass order?

A2: Yes. We can provide free samples (size 200mm×200mm) for quality testing, and the customer only needs to bear the shipping cost. The sample delivery time is 3-5 working days.

Q3: What is the delivery time for mass orders?

A3: For standard products, the delivery time is 7-15 working days after receiving the deposit. For customized products, the delivery time is 20-30 working days, depending on the order quantity and processing requirements.

Q4: Do you provide quality certificates?

A4: Yes. We provide a complete set of quality certificates, including material test reports (MTR), certificate of origin, and ISO certification. For aerospace and automotive customers, we can provide EN 10204 3.1 or 3.2 certificates.

Q5: How to solve quality problems after delivery?

A5: We promise a 100% quality guarantee. If there are quality problems caused by our production, we will provide free replacement or refund. We will send technical personnel to investigate and solve the problem within 48 hours after receiving the complaint.

Q6: Can you customize the size and surface treatment?

A6: Yes. We support customized thickness (0.2-250mm), width (900-2650mm), and length (up to 12000mm). Surface treatments can be customized according to customer requirements, such as anodizing color, polishing degree, and checkered pattern.

Q7: What payment terms do you accept?

A7: We accept T/T (30% deposit in advance, 70% balance before delivery), L/C at sight, and Western Union for small orders. For long-term cooperative customers, we can provide more flexible payment terms.
If you have any questions about 6061 T6 aluminum sheets or need a quotation, please contact us immediately! Our professional team will provide you with customized solutions within 24 hours.
Download our 6061-T6_T651 Aluminum Alloy Data Sheet PDF: