5083 Aluminum Plate

High-strength 5083 aluminum plate, renowned for exceptional marine corrosion resistance and cryogenic performance. Tempers O, H111, H116, H321. Ideal for shipbuilding, LNG tanks, and pressure vessels. ASTM B209 / Marine Certified.

Material High-Magnesium Aluminum Alloy
Grade / Standard 5083
Thickness 0.5mm - 350mm
Width 500mm - 3000mm
Length 1000mm - 12000mm
Delivery Condition annealed
Surface Treatment bare
MOQ 3 Tons
Delivery Time 15-30 Days
Loading Port Tianjin / Shanghai / Qingdao
Equivalent Grades: EN AW-5083, JIS A5083, GB 5083, UNS A95083
Get a Quote

Response within 24 hours

Overview of 5083 Aluminum Plate

5083 aluminum plate is a high-magnesium alloy renowned for its exceptional performance in extreme environments. As a non-heat-treatable alloy, it possesses the highest strength of the 5xxx series, combined with outstanding resistance to corrosion in both seawater and industrial chemical environments. A key characteristic of 5083 is its excellent strength retention after welding, making it the premier choice for welded structural applications. Specified under standards like ASTM B209 and EN 573 (as EN AW-5083), and often certified by marine classification societies, 5083 is the go-to material for shipbuilding, cryogenic vessels, and heavy-duty transportation.

Key Features and Properties of 5083 Aluminum

5083 aluminum plate is engineered for maximum durability and reliability:

– **Exceptional Corrosion Resistance:** Unrivaled performance in saltwater and harsh industrial chemical environments, particularly in H116 and H321 tempers which are stabilized against exfoliation corrosion.
– **Highest Strength in Non-Heat-Treatable Alloys:** Offers superior mechanical strength and toughness compared to other 5xxx series alloys like 5052.
– **Excellent Weldability:** Can be easily welded using all common techniques, and critically, it retains a very high percentage of its original strength in the as-welded condition.
– **Superior Low-Temperature Performance:** It does not become brittle at cryogenic temperatures, making it the ideal material for building Liquefied Natural Gas (LNG) tanks and other low-temperature equipment.
– **High Fatigue Strength:** Excellent resistance to failure under cyclic loading and vibration, essential for marine and transport applications.

Main Applications of 5083 Aluminum Plate

The robust properties of 5083 aluminum make it essential for critical and demanding applications:

– **Shipbuilding & Marine:** The primary material for constructing boat and ship hulls, superstructures, masts, and other components for naval vessels, workboats, and luxury yachts.
– **Cryogenic Applications:** Used extensively for Liquefied Natural Gas (LNG) ship tanks and land-based cryogenic storage vessels.
– **Pressure Vessels & Tanks:** Certified for use in unfired pressure vessels under ASME codes, and for large-scale welded tanks for fuel and chemicals.
– **Transportation:** Used for heavy-duty truck and trailer frames, tipper bodies, and rail cars where strength and corrosion resistance are paramount.
– **Aerospace & Defense:** Employed in manufacturing armored vehicle components and other defense-related structures.

Why Choose Us for 5083 Aluminum Plate

Shandong Tanglu Metal Material Co., Ltd. is a specialist supplier of prime 5083 aluminum plate for critical applications. Our material is sourced from globally recognized mills and is available with certifications from major marine classification societies like DNV, ABS, and LR. We provide a comprehensive Mill Test Certificate (MTC) with every order, guaranteeing full compliance with standards like ASTM B209 for chemical and mechanical properties. We stock 5083 in specific marine and pressure vessel tempers, including O, H111, H116, and H321, and offer precision plate sawing, waterjet cutting, and routing services to meet your exact project specifications.

📐 Dimension & Size Table

Temper Thickness (mm) Width (mm) Length (mm)
O (Annealed) 1.0 - 350 1000-3000 1000-12000
H111 3.0 - 350 1000-3000 1000-12000
H116 3.0 - 50 1000-3000 1000-12000
H321 3.0 - 50 1000-3000 1000-12000

* Custom sizes available upon request. Tolerances per relevant international standards.

🔬 Chemical Composition

Element Min Max Display Value Note
Al Balance
Mg 4.0 4.9 4.0 - 4.9 Primary alloying element
Mn 0.40 1.0 0.40 - 1.0
Cr 0.05 0.25 0.05 - 0.25
Fe 0.40 ≤0.40
Si 0.40 ≤0.40
Ti 0.15 ≤0.15

* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.

⚙️ Mechanical Properties

Property Value Unit Test Condition
Tensile Strength (O Temper) 275 - 350 MPa Annealed / Soft condition
Yield Strength (O Temper) ≥125 MPa Annealed / Soft condition
Tensile Strength (H116 / H321) ≥305 MPa Marine Tempers, Strain Hardened & Stabilized
Yield Strength (H116 / H321) ≥215 MPa Marine Tempers, Strain Hardened & Stabilized
Elongation (H116 / H321) ≥10 %
As-Welded Tensile Strength ≈275 MPa Typical value, indicating high joint efficiency

* Values shown are minimum requirements unless otherwise stated.

📦 Commercial Information

Packaging Heavy-duty export packing for thick plates. Stacked on robust wooden skids or pallets, separated by battens, wrapped in waterproof materials, and securely strapped with steel bands to prevent shifting and damage during ocean freight.
Payment Terms T/T (Telegraphic Transfer),L/C (Letter of Credit),D/P (Documents against Payment)
Price Term FOB,CFR,CIF,EXW
Supply Capacity 10,000 Tons/Month
Loading Port Tianjin / Shanghai / Qingdao

Why Choose Our 5083 Aluminum Plate?

Exceptional Marine Corrosion Resistance

The ultimate choice for saltwater environments. H116 and H321 tempers offer guaranteed resistance to exfoliation corrosion, ensuring maximum service life in marine applications.

Highest Strength of Non-Heat-Treatable Alloys

Provides superior strength and toughness, making it suitable for high-stress structural components in ships, heavy vehicles, and pressure vessels.

💬

Excellent Weldability & Post-Weld Strength

Easily welded and retains a high percentage of its base metal strength after welding, a critical factor for the integrity of fabricated structures.

📐

Superior Performance at Cryogenic Temperatures

Maintains its strength and toughness without becoming brittle at extremely low temperatures, making it the standard material for LNG storage and transport.

🚢

Marine & Pressure Vessel Certified

Available with certifications from major classification societies (DNV, ABS, LR) and for use in ASME code pressure vessels, guaranteeing compliance for critical projects.

🏭 Applications of 5083 Aluminum Plate

The robust properties of 5083 aluminum make it the definitive material for the most demanding structural applications. It is the backbone of the modern shipbuilding industry, used for the hulls and superstructures of naval vessels, high-speed ferries, and luxury yachts. Its outstanding performance at low temperatures makes it the global standard for constructing cryogenic vessels for the storage and transport of Liquefied Natural Gas (LNG). Additionally, its high strength and weldability are leveraged in the manufacturing of heavy-duty truck frames, tipper bodies, rail cars, unfired pressure vessels, and armored vehicle plating, where safety and long-term durability are non-negotiable.

🔧 Pressure Vessel & Boiler 🚢 Shipbuilding & Marine 🛢️ Oil & Gas Pipeline 🧪 Chemical Industry 🚂 Railway & Transportation

📋 Quality & Certification

Our Certifications

  • ✅ ISO 9001:2015
  • ✅ CE Marking
  • ✅ ABS
  • ✅ DNV GL
  • ✅ Lloyd's Register (LR)
  • ✅ Bureau Veritas (BV)
  • ✅ SGS Certified
  • ✅ RINA

Mill Certificate Type

  • 📋 EN 10204 3.1
  • 📋 EN 10204 3.2
  • 📋 Original Mill Certificate
  • 📋 Certificate of Origin

❓ Frequently Asked Questions

What is 5083 aluminum?

5083 is a high-strength, non-heat-treatable aluminum-magnesium alloy. It is celebrated for its outstanding performance in extreme environments, particularly its excellent corrosion resistance in seawater and its ability to retain toughness at cryogenic temperatures.

What is the difference between 5083 and 5052 aluminum?

5083 has a higher magnesium and manganese content, making it significantly stronger and tougher than 5052. While both have excellent corrosion resistance, 5083 is the preferred choice for more demanding structural applications like ship hulls and pressure vessels where higher strength is required.

Why is 5083 used for LNG tanks?

Liquefied Natural Gas (LNG) is stored at -162°C (-260°F). Many metals become brittle at such low temperatures. 5083 aluminum, however, maintains and even slightly increases its strength and toughness at cryogenic temperatures, making it a safe and reliable material for LNG containment.

What do the H116 and H321 tempers mean?

These are special tempers specifically for marine applications. Both are strain-hardened and stabilized to provide very high resistance to exfoliation corrosion and stress corrosion cracking in a seawater environment. They come with specific mechanical property and corrosion test requirements.

How strong is a weld in 5083 aluminum?

5083 has excellent weldability. When welded correctly (e.g., with 5183 or 5356 filler metal), the welded joint can retain over 90% of the annealed parent material's strength, which is exceptionally high for an aluminum alloy and a key reason for its use in large, welded structures.

Get a Quote for
5083 Aluminum Plate

Submit your requirements and receive a competitive price quote within 24 hours.

  • ✓ Fast response within 24 hours
  • ✓ Competitive factory-direct pricing
  • ✓ Free technical consultation
  • ✓ Mill test certificate provided
  • ✓ Flexible payment terms available
💬 Chat on WhatsApp

⏱ Response within 24 hours

Send Your Inquiry

All fields marked with * are required

WhatsApp +86 152-2426-5050
Email Us info@tanglugroup.com
Call Us +86 152-2426-5050
Get a Quote Send Inquiry Form