6061 Aluminum Plate
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6061 Aluminum Plate Product Overview
6061 aluminum plate (UNS A96061) is a heat-treatable magnesium-silicon alloy offering 290 MPa tensile strength (T6 temper) and 240 MPa yield strength, making it ideal for aerospace frames, marine components, and automotive chassis. With 12% elongation (ASTM E8) and 95 HB hardness, it combines machinability, weldability, and stress-corrosion resistance for load-bearing structures. The alloy achieves 151-202 W/m·K thermal conductivity and 68.9 GPa elasticity modulus, suitable for heat sinks and vibration-damping systems.
Technical Specifications
1. Material & Dimensions
| Parameter | Specifications | |
|---|---|---|
| Thickness | 0.1–120 mm (±0.1mm precision) | Standard Width: 20–3,000 mm |
| Length | 100–12,000 mm (customizable) | Density: 2.7 g/cm³ (±0.01) |
| Temper | T4, T6, T651, T451 | Flatness: ≤0.5mm/m (EN 485-4) |
| Surface Finish | Mill finish, anodized (5–25µm), powder-coated, brushed (Ra 0.8–3.2µm) |
2. Chemical Composition (ASTM B209)
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|---|
| 6061 | 0.4–0.8% | ≤0.7% | 0.15–0.4% | ≤0.15% | 0.8–1.2% | 0.04–0.35% | ≤0.25% | ≤0.15% | Balance |
Mechanical & Physical Properties
1. Mechanical Performance
| Temper | Tensile Strength | Yield Strength | Elongation | Fatigue Strength |
|---|---|---|---|---|
| T4 | 240 MPa | 145 MPa | 16% | 90 MPa (10⁷ cycles) |
| T6 | 290 MPa | 240 MPa | 12% | 95 MPa |
| T651 | 310 MPa | 276 MPa | 10% | 100 MPa |
2. Physical Characteristics
| Property | Value | Application Impact |
|---|---|---|
| Melting Range | 582–652°C | Suitable for brazing at 500–600°C |
| Thermal Expansion | 23.6×10⁻⁶/K (20–100°C) | Minimal warping in thermal cycling |
| Electrical Conductivity | 43% IACS | Used in busbars & grounding plates |
| Corrosion Resistance | Grade 3 (ASTM G85 salt spray) | Marine & coastal applications |
Processing & Fabrication
- Machinability: 50% (vs. 100% for 2011 alloy) with carbide tools (SFM 250–300).
- Welding: TIG/MIG compatible (ER4043 filler); preheat to 150°C for >6mm thickness.
- Anodizing: Type II (10–20µm) for corrosion resistance; Type III (50µm) for abrasion resistance.
- Formability: Minimum bend radius = 1.5× thickness (H32 temper).
Industry Applications
| Sector | Use Case | Recommended Temper |
|---|---|---|
| Aerospace | Wing ribs, fuselage frames | T6 (AMS 4027) |
| Automotive | Chassis, suspension arms | T651 (AMS 4117) |
| Marine | Boat hulls, deck railings | T6 (MIL-A-22771) |
| Industrial | Robotics arms, CNC machine beds | T451 (ASTM B247) |
Certifications & Compliance
- Aerospace: AMS 4025, AMS-QQ-A-250/11
- Marine: DNV GL, ABS, NORSOK M-6301
- Sustainability: 75% recycled content (ASM International Standard)
Packing And Delivery
Luo Kaiwei Steel Company is Leading aluminum manufacturer, specializing in pre-painted coils, aluminum products (alloys 1050-7075). We offer ASTM/EN certified aluminum foil and pre-painted coils, and third-party inspected. Instant quote for bulk orders (thickness 0.2-150mm). 24-hour global shipping support.
