A powerful magnesium-manganese-chromium-aluminum alloy is aluminum 5083. Cold work can harden it, but heat treatment won't increase its strength. Compared to the majority of other alloys in the 5000 series, it has superior ductility for the strength level.
The marine sector is the main application for 5083 aluminum pipe because of its exceptional resistance to corrosion, particularly in seawater conditions. 5083 aluminum pipe is ideal for the construction of pressure vessels since it not only has exceptional corrosion resistance but also has great welding properties.
Standard specifications
ASTM/ ASME B210, B221, ASTM B241, B429, AMS OQ -A-200/8, WWW-T-700/5
AA5083 aluminum pipe introduction
| Specifications | ASME B36.10M, B36.19M |
| Available Sizes | 15 - 150" NB IN |
| Specialized in | Large Diameter Size |
| Sch. | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Frequently Used Types | Seamless / ERW / Welded / Fabricated |
| Forms Include | Square, Round |
| Technique | Extruded or seamless |
| Surface Treatment | Anodized, Powder Coated, Mill Finished |
Aluminium 5083 pipes equivalent grades
| EU | USA | Germany | Japan | France | England | Russia |
| ENAW-AlMg4.5Mn0.7 | A95083 | AlMg4.5Mn | 5082 | 5183 | 5083 | AMG 4.5 |
The physical properties of 5083 aluminum pipe
| Density | 2.650 g/cm³ |
| Melting Point | 570°C |
| Modulus of Elasticity | 72 GPa |
| Electrical Resistivity | 0.058×10⁻⁶ Ω.m |
| Thermal Conductivity | 121 W/m.K |
| Thermal Expansion | 25×10⁻⁶/K |
The mechanical properties of 5083 aluminum pipe
| Proof Stress | 125 Min MPa |
| Tensile Strength | 275 - 350 MPa |
| Hardness Brinell | 75 HB |
| Elongation | 12% |
The chemical composition of 5083 aluminum pipe
| Element | Composition (%) |
| Si | 0.4 |
| Fe | 0.4 |
| Cu | 0.1 |
| Mn | 0.4-1.0 |
| Mg | 4.0-4.9 |
| Zn | 0.25 |
| Ti | 0.15 |
| Cr | 0.05-0.25 |
| Al | Balance |
The production method of 5083 aluminum pipe
Extrusion technique
A continuous extrusion machine receives billets of preheated 5083 aluminum alloy and extrudes them into the required tubular shape. Complex cross-sectional shapes and pipes with a big diameter can be handled using this technique.
Through the use of a forging process, 5083 aluminum billets can be shaped into tubes by inserting the billet into a mold and applying intense pressure to change its shape.
Method of welding
5083 aluminum sheets or 5083 aluminum alloy coils are connected into tubes using welding methods. TIG (tungsten inert gas), MIG (metal inert gas), electron beam welding, and other techniques are examples of welding techniques.
The characteristics of 5083 aluminum pipe
5.2% magnesium, 0.1% manganese, and 0.1% chromium are present in the 5083 aluminum alloy. Because of its exceptional ductility, it maintains good formability and shows great strength when annealed.
Although 5083 aluminum piping is very resistant to corrosion, which makes it ideal for maritime applications, it is not advised for use in temperatures higher than 65°C.
The magnesium-manganese-chromium-aluminum alloy 5083 has a high strength. It cannot be heat-treated to increase its strength, although it can be toughened by cold working. It outperforms the majority of other alloys in the 5000 family in terms of ductility at its strength levels.

The applications of 5083 aluminum pipe
As a maker of 5083 aluminum pipes, GNEE produces seamless, welded, forged, and extruded aluminum pipes for a variety of uses.
Because it is lightweight, highly resistant to corrosion, and can be welded, aerospace 5083 aluminum pipe is frequently used in the structural elements of airplanes, rockets, missiles, and other aerospace vehicles. Missile launch tubes and missile casings are examples of these applications.
Because 5083 aluminum pipe resists corrosion and performs very well in saltwater conditions, it is utilized in marine engineering to fabricate ship hulls, decks, marine tanks, offshore platforms, and diving equipment.
vessels under pressure
Boilers, gas cylinders, and chemical reactors are just a few of the pressure vessel types that can be made from 5083 aluminum tubing. It is a dependable and safe option due to its great strength and resistance to corrosion.
Because 5083 aluminum pipe can tolerate corrosive oil and gas media, it is utilized in oil and gas exploration and transmission equipment such as well pipes, gas pipes, pipelines, valves, and tanks.

