ASTM B209 6083 Aluminium Sheet
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Are you sourcing reliable aluminum materials for heavy-duty structural projects? ASTM B209 6083 aluminium sheet and plate is a high-strength, heat-treatable alloy designed for demanding industrial environments. Compared to standard 6061 aluminum, the 6083 alloy delivers superior yield strength and enhanced structural stability, making it the ideal choice for heavy transportation equipment, industrial platforms, and machinery frameworks.
As a direct Chinese factory and wholesale 6083 aluminum sheet supplier, GNEE processes and ships premium grade 6083 aluminum globally. We solve your core sourcing problems: tight thickness tolerances, internal stress relief for thick plates, and fast delivery for mixed-alloy container orders.
Send us your required thickness, width, length, and quantity. Our engineering sales team will quote you within 12 hours with accurate lead times.
Overview of ASTM B209 6083 Aluminium Alloy Plate
When buying aluminum for structural applications, material consistency is everything. ASTM B209 6083 is an Al-Mg-Si (6000 series) alloy. It is highly regarded for its excellent mechanical properties, good weldability, and strong resistance to industrial and atmospheric corrosion.
Engineers specifically choose the 6083 T6 aluminum plate or 6083 T651 aluminum block when the project dictates higher tensile strength than standard 6061 can offer yet still requires good machinability for CNC routing, drilling, and tapping. From thin sheets used in truck body panels to ultra-thick blocks used in injection molds, 6083 aluminum guarantees a stable structural foundation.
Comprehensive 6083 Aluminum Sheet Specifications
We provide a vast supply range. Whether you need standard mill finish sheets or precisely cut heavy blocks, we match your project specs exactly.
| Specification Item | Processing Capabilities & Details |
| Material Grade | 6083 Aluminium Alloy |
| Manufacturing Standard | ASTM B209, ASME SB209, EN 485, GB/T 3880 |
| Available Tempers | T6, T651, T4, T451, O, H112, F |
| Thickness Range | 0.2 mm to 300 mm (Ultra-thick custom casting available) |
| Width Range | 500 mm to 3000 mm |
| Length Range | 500 mm to 10000 mm |
| Surface Finish | Mill Finish, Bright, Polished, Brushed, Checkered (Tread Plate) |
| Processing Methods | Hot Rolled (HR), Cold Rolled (CR), Stretching |
| Protective Options | Blue/Clear PVC Film, Paper Interleaved, Wood Pallet |
6083 Aluminium Plate Chemical Composition
| Element | Composition (%) |
| Aluminium (Al) | Balance |
| Magnesium (Mg) | 0.60 – 1.20 |
| Silicon (Si) | 0.70 – 1.30 |
| Iron (Fe) | 0.0 – 0.50 |
| Copper (Cu) | 0.0 – 0.10 |
| Manganese (Mn) | 0.40 – 1.00 |
| Zinc (Zn) | 0.0 – 0.20 |
| Titanium (Ti) | 0.0 – 0.10 |
| Chromium (Cr) | 0.0 – 0.25 |
6083 T6 Aluminium Plate Mechanical Properties
For load-bearing components, the mechanical properties are non-negotiable. Here are the expected values for the widely used T6 temper (solution heat-treated and artificially aged).
| Property | Value | Engineering Benefit |
| Tensile Strength | 290 – 320 MPa | Handles high stress and heavy structural loads without snapping. |
| Yield Strength | 250 – 270 MPa | High threshold against permanent deformation under heavy weight. |
| Elongation | 8% – 10% | Allows for slight flexing and forming before cracking. |
| Brinell Hardness | 85 – 95 HB | Ensures clean chip breaking during high-speed CNC machining. |
Core Applications of 6083 Aluminum Alloy
Because we supply heavy-duty 6083 aluminum alloy in large formats, our materials are utilized in serious industrial sectors:
- Commercial Transportation: Used extensively for dump truck bodies, flatbed trailers, and railcar side panels. The high strength-to-weight ratio allows fleet operators to increase payload while reducing fuel consumption.
- Structural Engineering & Platforms: Excellent for constructing offshore rig walking platforms, industrial factory stairways, and heavy equipment support frames.
- Industrial Mold Manufacturing: For injection molding and blow molding tools, we provide 6083 T651 thick blocks. The T651 temper means the plate is pre-stretched to relieve internal stress, ensuring the mold cavity does not deform during deep-cavity CNC milling.
- Machinery Base Plates: Thick plates (above 20mm) are highly favored for building stable base plates for automated assembly lines, robotics bases, and packaging machinery.
6083 vs 6061 vs 5083 Aluminum Plate
Buyers frequently ask us to compare these three popular alloys. If you are sourcing material for a new tender, here is the direct technical breakdown:
6083 vs. 6061 Aluminum: 6083 has a slightly higher concentration of Manganese and Silicon, resulting in higher overall tensile and yield strength compared to standard 6061. While 6061 is the ultimate general-purpose alloy, you should buy 6083 aluminum plate if your framework faces heavier mechanical stress or vibrations (e.g., heavy truck beds).
6083 vs 5083 Aluminum: 5083 is a 5000-series non-heat-treatable alloy. 5083 dominates in marine environments due to its absolute resistance to seawater corrosion. However, 6083 T6 offers significantly higher hardness and yield strength. Choose 6083 for dry structural engineering and 5083 for shipbuilding.
Factory Supply Capabilities & Real Processing Services
GNEE is not just a trader; we are deeply integrated into aluminum processing. When you buy from us, you get direct access to advanced metallurgical equipment and strict quality control.
- 1+4 Hot Rolling Mill: We utilize advanced 1+4 tandem hot-rolling lines, which allow us to produce ultra-wide plates (up to 3000mm) with excellent surface flatness and tight thickness tolerances.
- Thick Plate Stress Relief (T651): For plates over 12mm thick, internal stress from casting can cause severe warping during your machining process. We use large-tonnage stretching machines to apply a controlled 1.5% to 3% permanent stretch to the 6083 plate, completely eliminating internal residual stress.
- Custom Precision Cutting: Stop paying for waste material. We offer in-house processing. For plates under 20mm, we use high-speed CNC saws. For thick 6083 aluminum blocks up to 300mm, we utilize cold water jet cutting to ensure there is a zero heat-affected zone (HAZ) on your material edges.
- Ultrasonic Testing (UT): Internal cracks or gas porosities in thick aluminum blocks can destroy an expensive mold. We perform rigorous UT testing on all thick 6083 plates to guarantee a 100% solid, flaw-free internal structure.
Export Standard Packaging and Delivery
Shipping heavy metal across the ocean requires industrial-grade packaging. Damaged edges or water oxidation will render the aluminum useless. We implement a strict seaworthy packaging protocol for all export orders:
- Surface Protection: Every single 6083 aluminum sheet is interleaved with neutral craft paper or covered with PE film to prevent surface scratching.
- Moisture Barrier: The entire stack is wrapped in thick, high-density plastic film. We insert silica gel desiccants inside the wrap to absorb humidity during the sea voyage.
- Physical Armor: Hardboard and waterproof kraft paper enclose the plastic-wrapped stack. Edge protectors are applied to prevent the strapping bands from biting into the aluminum.
- Palletizing: The bundle is securely strapped to strong, ISPM 15 compliant fumigated wooden pallets. This ensures safe forklift handling and fast customs clearance at your destination port.
Do you have an urgent tender or a complex bill of materials? We support mixed-alloy orders (e.g., mixing 6083 plates, 5083 tread plates, and 6061 extrusions) in a single shipping container. Send your drawing specs or exact dimensions to our team today, and let us optimize your sourcing costs.
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