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The 6000 series aluminum alloys (primarily Al-Mg-Si) combine moderate-to-high strength, good corrosion resistance, excellent weldability, and the ability to be heat-treated (precipitation hardening) for tailored mechanical properties.
Common alloys include 6061 and 6082, which are frequently used in structural, architectural, transportation, and mechanical applications.
YUQI Metal supplies 6000 series aluminum in plate, sheet, coil forms, offering various tempers (O, T4, T6, etc.), customized dimensions, and surface treatments (mill finish, anodized, coated).
6000 series aluminum, mainly containing magnesium and silicon two elements, plate 6061, 6063, 6082, etc.
| Parameter | Typical Range / Options |
|---|---|
| Alloy Grades | 6061, 6082 (others like 6063, 6005 optional) |
| Tempers / Treatment | O, T4, T6, T651 |
| Thickness & Dimensions | Plates and sheets from a few mm to thick plates; coils in thinner gauges |
| Surface Finish Options | Mill finish, polished, anodized, coated, patterned |
| Mechanical Properties | For alloy 6082 in T6 / T651: ultimate ~≥ 300 MPa, yield ≥ 255 MPa |
| Corrosion & Durability | Good resistance in general, can be enhanced via anodizing or coatings |
| Standards / Certifications | Compliant with EN/ASTM/GB standards for wrought aluminum products |
Example – Alloy 6082 (Plate Form):
Temper T6 / T651: Ultimate strength ≥ 300 MPa, Yield strength ≥ 255 MPa.
Excellent machinability in T6 / T651, produces tight swarf chips with chip breaker.
Widely used as a structural alloy, often replacing 6061 in many applications.
Heat-treatable strength tuning – Able to strengthen via solution + aging processes (unlike many 5xxx / 3xxx series).
Balanced performance – Good combination of strength, corrosion resistance, weldability, and formability.
High strength in 6000 series – 6082 is among the highest strength in the 6000 family and often used for structural applications.
Good machinability & finishing – Especially in T6/T651, enables tighter machining tolerances and good surface finishes.
Excellent weldability – Compatible with MIG, TIG welding; proper post-weld treatment restores strength.
Versatile usage – Suitable for structural, architectural, automotive, and machinery parts.
Customization capability – YUQI can supply custom sizes, patterns, coatings, and plate/coil/ sheet forms.
Structural & Architectural: Frames, supports, roofing, facades, load-bearing panels
Automotive & Transportation: Chassis components, body panels, brackets, heat sinks
Machinery & Equipment: Machine bases, frames, mold plates, precision parts
Marine & Outdoor Structures: Where moderate corrosion resistance plus strength are required
General Engineering: Tooling, jigs, fixtures, mechanical parts
6061 is one of the most versatile and commonly used heat-treatable aluminum alloys. It belongs to the Al-Mg-Si family and gains strength through precipitation hardening.
Key features include:
Good strength-to-weight ratio
Good corrosion resistance (though slightly lower than 6063 due to copper content).
Excellent weldability (MIG, TIG).
Good machinability, especially in T6 / T651 tempers.
Available in many tempers (O, T4, T6, T651, etc.).
6061 can be supplied as sheet, plate, and coil. It is used in a wide range of thicknesses, from thin sheet to structural plates, depending on application requirements.
6061 aluminum sheet is a cold-treated aluminum forging product, suitable for applications with high corrosion resistance and oxidation requirements, good usability, excellent interface characteristics, easy coating and good processability.
6061 aluminum coil and aluminum plate uses: aircraft parts, camera parts, couplers, marine accessories and hardware, electronic accessories and joints, decorative or various hardware, hinge heads, magnetic heads, brake pistons, electrical accessories, valve parts,mobile phone card slot button, bus body structure, car engine parts, car hub ,etc.
Structural framing and construction elements (bridges, building supports)
Aerospace and aircraft components (where moderate strength + lightweight are needed)
Automotive parts (chassis, frames, machine parts)
Marine hardware (boat hulls, decks, fittings)
Heat sinks, electronic housings
Miscellaneous parts requiring good mechanical properties and formability
| Temper | 6061-O | 6061-T4 | 6061-T451 | 6061-T6 | 6061-T651 |
| Shear Strength | 84MPa | 170MPa | 170MPa | 210MPa | 210MPa |
| Tensile Strength | 76-130MPa | 130-230MPa | 130-240MPa | 270-310MPa | 270-320 MPa |
| Elastic Modulus | 69GPa | 69GPa | 69GPa | 69GPa | 69GPa |
| Brinell Hardness | 33 HB | 63HB | 63HB | 93HB | 93HB |
| Elongation | 20% | 18% | 20% | 10% | 11% |
6063 is often called the “architectural alloy” because of its excellent finish, extrudability, and suitability for decorative profiles. It is also heat-treatable.
Notable properties:
Better surface finish and anodizing qualities than many alloys
Superior extrudability – ideal for complex profiles
Good corrosion resistance in typical atmospheric environment
Moderate strength – lower than 6082 but superior to many 1xxx / 3xxx series in certain temper.
Primarily used in extrusions, but also available as sheet and plate for architectural and panel applications.
6063 aluminum coil and aluminum plate uses: mobile phone card slot, mobile phone case, mold, automobile, precision machining, etc.
Window frames, door frames, curtain walls, railings
Architectural decorative elements
Profiles, tubing, and structural parts in low-to-moderate load environments
Because of its better finish and ease of extrusion, 6063 is often preferred for visible building parts.
| Tensile Strength (psi) | Yield Strength (psi) | Elongation (% in 2″) | Brinell Hardness |
| 27, 000 | 21, 000 | 12 | 60 |
6082 is a higher-strength alloy within the 6000 series (Al-Mg-Si with Mn additions) and is frequently used when both structural strength and corrosion resistance are needed.
Key traits include:
Higher tensile and yield strength than 6063, making it suitable for more demanding structural tasks.
Good weldability and machinability when properly heat treated.
Good corrosion resistance, including in marine environments.
6082 is available in sheet, coil, and plate forms. It is used in both structural and panel applications. 6082 alloy (Al-Mg-Si) aluminum plate, with moderate strength and good weldability, corrosion resistance, mainly used in transportation and structural engineering industry, such as bridges, cranes, roof frames, transport aircraft, transport ships ,etc.
Structural components in buildings, bridges, and construction frameworks
Heavy-duty profiles in transportation (frames, rails)
Architectural panels where higher load capacity is needed
Marine structures, shipbuilding, and offshore components
Components requiring a combination of strength, weldability, and corrosion resistance
| Temper | T6 | T651 |
| Density | 2.70 g/cm³ | 2.68g/cm³ |
| Tensile Strength | 250-310MPa | ≧295MPa |
| Elongation | 10% | 8% |
| Thermal Conductivity | 170 W/m-K | 220.0 W/m-K |
A: 6000 alloys offer the ability to fine-tune strength via heat treatment, so you can achieve higher strength without sacrificing corrosion resistance.
A: 6082 is frequently selected when higher strength is needed. 6061 is versatile and widely used where strength and weldability are balanced.
A: Yes. They take anodizing and coating well, improving surface durability and aesthetics.
A: Upon welding, properties near the weld revert toward softer states (T4-like). Post-weld heat treatment or aging is often used to recover strength.
A: Yes, YUQI supports cut-to-size, small-batch orders, patterns, and finishing according to project needs.
