5083 Marine Grade Aluminum Pipe Tube
5083 Marine Grade Aluminum Pipe is a type of aluminum pipe specifically designed for use in marine environments. Aluminum alloy 5083 is highly corrosion-resistant, making it ideal for applications that are frequently exposed to salt water, moisture, and other harsh marine conditions.
5083 Marine Grade Aluminum Pipe is commonly used in various marine applications such as shipbuilding, ship construction, offshore platforms and marine structures. Its corrosion resistance and good weldability and formability make it the material of choice for marine industry professionals. In addition, 5083 aluminum alloy offers good strength and durability, further enhancing its marine suitability.
5083 Marine Grade Aluminum Pipe Tube Specifications
ASTM/ ASME B210, B221, ASTM B241, B429, AMS OQ-A-200/8, WWW-T-700/5
5083 aluminum is a high-strength, non-heat-treatable alloy, widely used in the marine, aerospace, and industrial fields due to its excellent corrosion resistance and weldability.
5083 aluminum alloy is a non-heat-treatable magnesium-manganese alloy, known for its excellent corrosion resistance (especially in seawater) and high strength within the 5xxx series alloys. Its typical composition includes about 4.5–5.2% magnesium, with small amounts of manganese and chromium added to enhance strength and corrosion resistance.
The density of 5083 is approximately 2.65g/cm³, with an elastic modulus close to 70GPa, providing excellent strength-to-weight ratio. Its yield strength ranges between 228–240MPa, and the ultimate tensile strength is around 330–340MPa, depending on the temper condition. After welding, it maintains excellent strength, with minimal loss in corrosion resistance, making it the preferred material for marine, cryogenic, and pressure vessel applications.
5083 tubes are manufactured according to strict standards such as ASTM B241/ASME SB241 and AMS-QQ-A-200/4, available in extruded, seamless, and drawn forms, with nominal bore sizes ranging from 15NB to 150NB, and certified to include comprehensive quality standards such as EN102043.1.
Haomei Aluminum, as a professional 5083 aluminum tube manufacturer, provides marine-grade aluminum tubes that comply with ASTM/ASME standards, with magnesium content ranging from 4.0%-4.9%, offering excellent seawater corrosion resistance and weldability, suitable for ship structures, offshore platforms, and oil & gas pipelines. Custom sizes and seamless/welded processes are supported, with strict chemical analysis and mechanical performance testing to ensure reliability in extreme environments.
Why choose 5083 for marine aluminum pipes?
Selecting 5083 marine grade aluminum for marine aluminum tubing involves several key considerations that make it an excellent material for marine applications:
- Corrosion resistance: One of the main reasons for choosing 5083 aluminum alloy is its excellent corrosion resistance, especially in marine environments where it is frequently exposed to salt water and moisture. The alloy composition includes magnesium, which forms a protective oxide layer on the surface, increasing its resistance to corrosion from seawater and atmospheric conditions.
- Salt water resistance: Compared with many other aluminum alloys, 5083 aluminum alloy exhibits excellent resistance to salt water corrosion. This property is critical for marine applications where components are often exposed to salt water, which can cause other materials to corrode and deteriorate rapidly.
- Strength and durability: 5083 aluminum alloy has excellent strength and durability properties, making it suitable for structural components in marine environments. Despite its lightweight nature, 5083 aluminum tubing has high tensile and yield strengths, allowing it to withstand the rigors of marine applications without sacrificing structural integrity.
- Weldability: Another advantage of 5083 aluminum alloy is its good weldability. This property makes manufacturing and assembly easy, allowing manufacturers to efficiently produce complex marine structures and components. 5083 aluminum welded joints maintain high strength and corrosion resistance, ensuring the structural integrity of marine installations.
- Formability: 5083 aluminum alloy can be easily formed and formed using a variety of manufacturing techniques, including bending, extrusion, and machining. This formability enables its use in creating custom-designed marine components such as pipes, tubes and structural profiles to meet the specific requirements of different marine applications.
- Low Maintenance Cost: Due to its excellent corrosion resistance, 5083 marine grade aluminum pipe requires minimal maintenance in marine environments. This reduces the need for frequent inspections, repairs and replacements, thereby reducing the life cycle costs of marine structures and equipment.
- Comply with standards: Aluminum alloy 5083 complies with international standards for marine grade materials, including specifications set by organizations such as American Bureau of Shipping (ABS), Det Norske Veritas (DNV) and other classification societies. This ensures that parts made from 5083 aluminum comply with industry regulations and performance requirements for marine applications.
5083 marine-grade aluminum combines corrosion resistance, strength, durability, weldability, formability and compliance with standards, making it ideal for marine aluminum tubing and other structural components in the maritime industry.
Mechanical properties of 5083 Marine Grade Aluminum Pipe Tube
| Proof Stress | 125 Min MPa |
| Tensile Strength | 275 - 350 MPa |
| Hardness Brinell | 75 HB |
| Elongation | 12 % |
5083 Marine Grade Aluminum Pipe Tube equivalent grades
| EU | ENAW-AlMg4.5Mn0.7 |
| USA | A95083 |
| Germany | AlMg4.5Mn |
| Japan | 5082 |
| France | 5183 |
| England | 5083 |
| Russia | AMg4.5 |
5083 Marine Grade Aluminum Pipe Tube Chemical Composition
| Chemical Element | % Present |
| Manganese (Mn) | 0.40 - 1.00 |
| Iron (Fe) | 0.40 max |
| Copper (Cu) | 0.10 max |
| Magnesium (Mg) | 4.00 - 4.90 |
| Silicon (Si) | 0.0 - 0.40 |
| Zinc (Zn) | 0.0 - 0.10 |
| Chromium (Cr) | 0.05 - 0.25 |
| Titanium (Ti) | 0.05 - 0.25 |
| Other (Each) | 0.0 - 0.05 |
| Others (Total) | 0.0 - 0.15 |
| Aluminium (Al) | Balance |
5083 Marine Grade Aluminum Pipe Tube product real shot display
5083 Aluminum Tube Corrosion Resistance
5083 aluminum demonstrates excellent general and localized corrosion resistance in both seawater and industrial environments, thanks to its high magnesium content and protective oxide film. Studies show that in both static and flowing seawater conditions, 5083 aluminum exhibits very low pitting sensitivity. However, its corrosion resistance slightly decreases when the magnesium content is higher. This characteristic, combined with its post-welding strength retention, makes it an ideal choice for marine structures, offshore platforms, and cryogenic containers.
5083 Aluminum Tube Common Tempers
- O (Annealed): Highest formability, lowest strength
- H111 / H112 / H116 / H32: Various degrees of cold working; H112 is commonly used for tubes.
- Formability: Excellent formability in the O condition; moderate formability in the H condition with good springback control.
5083 Aluminum Tube Welding and Joining
5083 aluminum can be welded using all standard welding methods (TIG, MIG, friction stir, etc.), with low susceptibility to hot cracking. Welded joints retain almost the full strength and corrosion resistance of the base material, with very little post-weld softening.
5083 Aluminum Tube Standards and Specifications
ASTM/ASME:
- ASTM B241 / ASME SB241: Seamless and welded pipe.
- ASTM B308 / ASME SB308: Seamless pipe.
AMS:
AMS-QQ-A-200/4: Extruded pipe and wire.
EN:
EN573-3 / EN755-1: Chemical and mechanical property requirements.
Standards and Certifications:
- ASTM/ASME: B241, B210, B221
- EN: AW-5083, AlMg4.5Mn0.7
- Military/Aerospace: AMS 4086, QQ-A-200/4.
5083 Aluminum Tube Manufacturing and Sizes
5083 tubes are available in the following specifications:
- Extruded tubes: Solid round tubes to weldable tubes
- Seamless drawn tubes: Conforming to ASTM standards B210/B483.
- Certification: EN102043.1 mill test certification standard.
5083 Aluminum Tube Applications
| Application Field | Description |
| Marine and Shipbuilding: Pipes, Deck Structures, Hull Plates | 5083 aluminum tubes are widely used in the marine and shipbuilding industries, primarily for the construction of hull structures, decks, and pipelines. Its excellent corrosion resistance and strength allow it to withstand long-term use in seawater environments. In shipbuilding, 5083 aluminum tubes are used to manufacture piping systems, ensuring their durability and reliability in seawater environments. Additionally, hull plates and deck structures are also made from 5083 aluminum, providing high strength and corrosion resistance, which extends the service life of ships. |
| Offshore and Subsea: Risers, Riser Supports, Manifolds | In offshore and subsea applications, 5083 aluminum tubes are used to manufacture risers, riser supports, and manifolds. Risers are used to connect offshore platforms and subsea pipelines, requiring good corrosion resistance and compressive strength. 5083 aluminum tubes are an ideal choice due to their excellent resistance to seawater corrosion. Riser supports and manifolds are also critical structural components, requiring the ability to withstand high pressure and harsh environments. The strength and corrosion resistance provided by 5083 aluminum tubes ensure their stability and long-term performance in these applications. |
| Cryogenic: LNG Storage Tank Pipelines, Evaporators (-196°C Service) | 5083 aluminum tubes perform excellently in cryogenic applications, especially in the manufacture of liquefied natural gas (LNG) storage tank pipelines and evaporators, which can withstand extremely low temperatures of -196°C. Its good low-temperature toughness and crack resistance make it an ideal material, ensuring the safety and reliability of pipelines during LNG storage and transportation. In evaporator applications, the stability and ability to withstand temperature fluctuations make 5083 aluminum tubes an ideal choice, preventing brittle fracture issues that might occur in low-temperature environments. |
| Pressure Vessels and Tanks: Storage and Transport of Gases and Liquids | 5083 aluminum tubes are widely used in the manufacturing of pressure vessels and storage tanks for the storage and transport of gases and liquids. Due to its good strength and corrosion resistance, 5083 aluminum tubes can withstand high pressure and chemical corrosion environments that may arise during storage and transportation. This makes 5083 aluminum tubes an ideal material for storage facilities in industries such as oil and gas, ensuring the safe storage and transport of gases and liquids under high-pressure conditions. |
| Automotive and Railways: Fuel and Hydraulic Lines | In the automotive and railway industries, 5083 aluminum tubes are widely used for the manufacture of fuel and hydraulic lines. Its lightweight, high strength, and corrosion resistance make 5083 aluminum tubes crucial in automotive fuel systems and hydraulic systems. By reducing the weight of the piping system, 5083 aluminum tubes improve fuel efficiency and overall performance of cars and trains, while its corrosion resistance ensures long-term stable operation without damage due to environmental factors. |
| Aerospace: Fuel Tanks, Hydraulic Systems, and Missile Casings (Lightweight, High Strength) | 5083 aluminum tubes are widely used in the aerospace industry, primarily for fuel tanks, hydraulic systems, and missile casings, where high-performance parts are required. Its lightweight and high-strength properties make 5083 aluminum tubes ideal for use in aerospace equipment, especially in fuel tanks and hydraulic systems, where reducing overall weight improves fuel efficiency. Additionally, the excellent corrosion resistance and strength provided by 5083 aluminum tubes ensure the reliability and safety of equipment in extreme environments, such as missile casings. |
5083 Aluminum Tube Advantages and Limitations
5083 Aluminum Tube Advantages
- Excellent corrosion resistance in seawater and industrial environments.
- High specific strength, with excellent post-welding strength retention.
- Good cold formability and weldability.
5083 Aluminum Tube Limitations
- Not recommended for continuous use above 65°C due to strength loss and potential stress corrosion.
- Lower machinability compared to 6xxx series alloys (machinability around 30%).
5083 Aluminum Tube Manufacturing and Forming
- Production methods: extrusion (commonly used for seamless tubes), welding (TIG/MIG), and forging.
- Dimensions: Outer diameter (OD) ranges from 0.4 inches to 360 mm, with wall thickness up to 50 mm.
- Shapes: round, square, rectangular, and custom profiles.
- Surface treatments: anodizing, powder coating, or finishing treatments to enhance durability.
5083 Aluminum Tube Manufacturing Considerations
- Machining: It is recommended to use carbide tools at medium speeds to avoid work hardening.
- Welding: Compatible with TIG/MIG welding, using 5183 or 5356 filler rods.
- Temperature limits: Avoid long-term use above 65°C to prevent strength loss.
Advantages of 5083 Aluminum Tube Over Other Alloys
- Compared to 5052 and 6061, it has superior corrosion resistance.
- In marine environments, it has higher strength than 5086.
Production method of 5083 marine grade aluminum pipe tube
5083 marine grade aluminum tubing can be produced using a variety of methods, each with its own advantages and considerations:
Extrusion method
Extrusion is a common method for producing aluminum tubing, including tubing made from 5083 marine grade aluminum.
In this process, a heated billet of aluminum is forced through a forming die to produce the desired shape (in this case, a pipe).
The high precision of extrusion allows the production of aluminum tubes with complex cross-sectional profiles. It is suitable for mass production and the quality of the pipes produced is stable.
Forging method
Forging involves shaping metal by applying compressive force with a hammer, press, or die.
Forging is typically used to produce aluminum tubing fittings or components rather than long coiled tubes.
While forging can improve the strength and mechanical properties of aluminum, it may not be the most efficient method of producing long tubes due to size and shape limitations.
Welding method
Welding involves the use of heat and/or pressure to join pieces of metal together.
While welding can be used to make aluminum pipes by joining parts together, it is not typically used to produce pipes from raw materials.
Welded aluminum pipe can be manufactured by welding extruded or forged sections together.
Of these methods, extrusion is the most commonly used to produce long coiled tubing from 5083 marine grade aluminum because of its efficiency, accuracy, and ability to maintain the material’s properties.
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