Henan Gnee New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of astm b209 6083 aluminum alloy sheet and plate in China. With abundant experience, we warmly welcome you to wholesale high quality astm b209 6083 aluminum alloy sheet and plate in stock here from our factory. Good service and reasonable price are available.
ASTM B209 6083 aluminum sheet and plate is a high-strength, corrosion-resistant aluminum alloy widely used in marine structures, transportation equipment, and heavy industrial applications. It offers excellent weldability, good machinability, and reliable structural performance in harsh, corrosive environments.
As a leading Chinese supplier, GNEE provides 6083 aluminum plates and sheets in multiple tempers, sizes, and customized specifications, meeting strict ASTM B209 standards and global export requirements for marine and industrial projects.
ASTM B209 6083 Aluminum Alloy Sheet and Plate Description
What is ASTM B209 6083 Aluminum Alloy?
ASTM B209 6083 aluminum alloy is defined as a heat-treatable wrought alloy belonging to the Al-Mg-Si family (6000 series). Because it contains specific ratios of magnesium and silicon, it forms magnesium silicide (Mg₂Si), which allows the metal to be strengthened through heat treatment.
The 6083 grade is recognized in the industry for:
- Medium to high strength for structural load-bearing.
- Excellent corrosion resistance, particularly against seawater and industrial atmospheres.
- Good weldability without significant loss of structural integrity in the heat-affected zone.
- Suitability for structural, transportation, and marine environments.
Material Alternative: In many engineering blueprints, 6083 serves as a specialized alternative to 6061 in specific structural applications. 6083 aluminum offers better corrosion resistance than the 6000 series average, making it a preferred choice for projects exposed to moisture.
Chemical Composition of 6083 Aluminum Sheet
The performance of the 6083 aluminum plate is directly determined by its chemical elements. GNEE ensures strict control over the ingot casting process to meet the exact ASTM B209 chemical limits.
| Element | Content (%) | Industrial Function |
| Magnesium (Mg) | 0.6 – 1.2 | Provides primary strength and excellent corrosion resistance. |
| Silicon (Si) | 0.7 – 1.3 | Combines with Mg for heat-treatment hardening; improves extrudability. |
| Manganese (Mn) | ≤ 0.5 | Controls grain structure and enhances tensile strength. |
| Iron (Fe) | ≤ 0.5 | Impurity control to prevent cracking during severe forming. |
| Aluminum (Al) | Balance | Base metal. |
Mechanical Properties of 6083 Aluminum Plate
For engineers specifying materials for shipbuilding or vehicle chassis, 6083 plate mechanical properties provide the necessary data for load calculations. The typical values below represent the T6 temper.
| Mechanical Property | Typical Value |
| Tensile Strength (Ultimate) | ≥ 180 MPa |
| Yield Strength | ≥ 110 MPa |
| Elongation at Break | ≥ 8% |
| Hardness (Brinell) | ~60 HB |
Note: 6083 aluminum strength varies depending on the final temper and thickness of the plate.
Available Tempers for 6083 Aluminum Plates
We supply ASTM B209 6083 sheets in various heat-treated conditions to match your manufacturing process.
- 6083 T4 Aluminum Plate (Solution heat-treated and naturally aged): Provides a stable condition with high ductility. It is ideal for fabricators who need to bend or form the aluminum plate extensively before aging it to full strength.
- 6083 T6 Aluminum Plate(Solution heat-treated and artificially aged): The metal is quenched and then baked in an aging oven to achieve peak hardness. 6083-T6 aluminum plate is the most commonly used temper for structural applications where load-bearing capacity is the priority.
- 6083 O Aluminum Plate (Annealed): The fully softened state, providing maximum formability for deep drawing or complex stamping.
Standard Specification for Aluminium Alloy 6083 Sheet & Plate
| Parameter | Specification |
|---|---|
| Standards | ASTM B209 / ASME SB209 / EN 485 |
| Temper | O, F, H12, H14, H16, H18, H19, H22, H24, H26, H32, H34, H36, H38, H111, H112, H321, T3, T4, T5, T6, T7, T351, T451, T651, T851 |
| Thickness | 0.2 mm ~ 300 mm |
| Width | 500 mm ~ 3000 mm (Ultra-wide marine plates available) |
| Length | 500 mm ~ 10000 mm |
| Surface Finish | Bright, polished, hairline, brushed, sandblasted, checkered (tread plate), embossed, mill finish, or customer-specific finish |
| Coating Options | PVC coated, color coated, polyester, fluorocarbon (PVDF), polyurethane, epoxy coating |
| Product Types | Hot-Rolled (HR) Plate / Cold-Rolled (CR) Sheet / Strips / Coils / Chequered Plates |
| Customization | Custom sizes, precision CNC cutting, and multi-alloy orders available |
ASTM B209 6083 aluminum sheet and plate is available in a full range of sizes, tempers, and surface finishes to meet demanding applications in marine, structural, and industrial environments.
Key Features of 6083 Aluminum Sheet & Plate
Why do procurement managers specify 6083?
- High Strength-to-Weight Ratio: Reduces the overall deadweight of transportation vehicles and ships, improving fuel efficiency.
- Excellent Corrosion Resistance (Marine Grade): Forms a dense oxide layer that protects the base metal from saltwater pitting.
- Good Weldability: Compatible with standard TIG and MIG welding processes. We recommend using ER5356 filler wire for the best joint strength and color match.
- Moderate Machinability: Can be cut, drilled, and milled easily using standard carbide tooling.
- Suitable for Anodizing: Responds well to surface treatments for both protection and aesthetics.
Applications of ASTM B209 6083 Aluminum
Because it bridges the gap between high strength and excellent environmental resistance, 6083 is a staple in several heavy industries.
- Marine Industry
Ship hull structures and bulkheads
Marine deck plates (especially in chequered/tread patterns for anti-slip)
Offshore oil and gas platform components
- Transportation
Heavy-duty truck bodies and trailer chassis
Rail car components and flooring
Lightweight vehicle structural frames
- Industrial Equipment
Pressure vessels and storage tanks
Heavy structural frames for automation machinery
Industrial silos and hoppers
Read More About:Applications of ASTM B209 6083 Aluminum
Real Industrial Case Study:
In 2024, a shipyard in Southeast Asia contracted GNEE to supply materials for a new fleet of coastal patrol boats. They required 6083-T6 aluminum plates with a custom width of 2400mm to reduce the number of weld seams on the hull. We utilized our wide hot-rolling mill to produce 120 tons of certified wide plates. The plates passed the client's Ultrasonic Testing (UT) for internal defects, and the reduced welding time saved the shipyard 15% in fabrication costs.
Are you bidding on a marine or transportation project that requires specific structural aluminum? Specifying the right alloy and dimensions can drastically reduce your fabrication time. Send your Bill of Materials (BOM) to our engineering team today for a free technical review and a factory-direct quote.
6083 vs 6061 Aluminum: Which Should You Choose?
This is a common question from buyers looking for structural aluminum plates. Both are 6000-series alloys, but they have distinct advantages.
| Property | 6083 Aluminum | 6061 Aluminum |
| Strength | Medium-High | High (Slightly stronger) |
| Corrosion Resistance | Better | Good |
| Weldability | Excellent | Good |
| Primary Application | Marine / Wet Environments | General Structural / Machining |
Summary: 6083 aluminum offers better corrosion resistance than 6061, making it more suitable for marine environments, while 6061 provides slightly higher yield strength for dry, heavy-load structural framing.
Read More About:6083 vs 6061 Aluminum
Why Choose GNEE as Your Aluminum Plate Supplier?
GNEE is not just a trader; we are an integrated aluminum supplier with deep industrial capabilities. We solve complex procurement challenges for global buyers.
- Multi-Alloy Supply & Mixed Loading: We supply the full 5000, 6000, and 7000 series. We accept multi-size, mixed-alloy orders in a single container.
- Large Inventory & Production Capacity: With a monthly output of 900 tons and extensive stock of standard ASTM B209 plates, we guarantee fast delivery.
- Custom Sizes & OEM Support: We offer precision cut-to-size services, PVC film coating, and customized surface finishes.
- Strict Quality Inspection: Every batch is tested using optical emission spectrometers and mechanical tensile testers to guarantee compliance with ASTM and EN standards. Mill Test Certificates (MTC) are provided with every shipment.
- Global Export Experience: We currently export seaworthy aluminum to over 100 countries, understanding local customs and certification requirements.
Stop struggling with high Minimum Order Quantities (MOQs) and multiple suppliers. Whether you need standard 6083-T6 sheets or custom-cut ultra-wide marine grade 6083 aluminum plates, GNEE can consolidate your order. Contact our export department now for current stock availability and pricing.
Professional Export Packaging & Delivery
We understand that aluminum plates are highly susceptible to moisture and physical damage during ocean freight. GNEE employs a rigorous export packaging standard:
- Moisture Protection: Plates are wrapped in waterproof plastic film and interleaved with moisture-absorbing craft paper. Desiccant (silica gel) is placed inside the packaging.
- Physical Protection: The wrapped plates are secured onto strong, ISPM-15 compliant export seaworthy wooden pallets.
- Securing: The entire package is bound tightly with galvanized steel strapping to prevent shifting during transit.
- Loading: We support bulk vessel loading for heavy plates or standard 20ft/40ft container loading for sheets and coils.
Get Your Factory-Direct Quote
Looking for a reliable ASTM B209 6083 aluminum sheet and plate supplier for your next project? Partner with GNEE for assured quality and competitive pricing.
Contact GNEE today for:
- The latest wholesale aluminum price
- Current stock availability and lead times
- Custom specifications and precision cutting
Send us your inquiry and drawings today. Get a fast, professional quote within 24 hours.
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