

Russian Metals supplies AU4GN Aluminium Alloy and A-U4GN Aluminium Alloy for aerospace, aircraft parts, aircraft structures, aircraft fittings, aircraft lugs, defence components, forged aircraft components, CNC machining, precision engineering, automotive parts, motorsport parts and industrial engineering applications.
AU4GN and A-U4GN are French aerospace aluminium alloy designations used where high strength, fatigue resistance, machinability and heat treatable performance are required. Russian Metals supplies AU4GN aluminium plate, A-U4GN aluminium sheet, AU4GN aluminium round bar, A-U4GN aluminium tube, AU4GN aluminium extrusion, A-U4GN aluminium profile, AU4GN aluminium forging stock and custom cut aluminium size.
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Russian Metals supplies AU4GN Aluminium Alloy and A-U4GN Aluminium Alloy for aerospace, aircraft parts, aircraft structures, aircraft fittings, aircraft lugs, defence components, forged aircraft components, CNC machining, precision engineering, automotive parts, motorsport parts and industrial engineering applications.
AU4GN and A-U4GN are French aerospace aluminium alloy designations used where high strength, fatigue resistance, machinability and heat treatable performance are required. Russian Metals supplies AU4GN aluminium plate, A-U4GN aluminium sheet, AU4GN aluminium round bar, A-U4GN aluminium tube, AU4GN aluminium extrusion, A-U4GN aluminium profile, AU4GN aluminium forging stock and custom cut aluminium size.
| Product Name | Grade Type | Main Supply Forms |
|---|---|---|
| Russian Metals AU4GN Aluminium Alloy | French aerospace aluminium alloy | Plate, sheet, round bar, flat bar, rod, tube, pipe, forging |
| Russian Metals A-U4GN Aluminium Alloy | AFNOR aircraft grade aluminium | Plate, sheet, round bar, rod, extrusion, profile |
| Russian Metals AU4GN Aluminum Alloy | High strength wrought aluminium alloy | Bar, billet, block, machined component stock |
| Russian Metals A-U4GN Aluminum Alloy | Heat treatable aluminium alloy | Plate, sheet, tube, pipe, profile, forging |
| Russian Metals French AU4GN Aluminium Alloy | French aircraft structural aluminium alloy | Aerospace profiles, plates, bars and forgings |
| Russian Metals AFNOR AU4GN Aluminium Alloy | AFNOR aluminium alloy | Project-based aerospace forms |
AU4GN Aluminium Alloy and A-U4GN Aluminium Alloy are French aerospace aluminium alloy grades used for aircraft structures, aircraft fittings, aircraft lugs, forged components, machined aerospace parts and high strength structural applications.
These alloys are generally associated with aluminium copper magnesium and aluminium copper magnesium nickel alloy families. They are heat treatable and selected where strength, fatigue resistance and machining performance are important.
| Grade | Alternative Name | Material Family |
|---|---|---|
| AU4GN Aluminium Alloy | French AU4GN Aluminium | High strength duralumin alloy |
| A-U4GN Aluminium Alloy | French A-U4GN Aluminium | Aircraft structural aluminium alloy |
| AU4GN Aluminum Alloy | Aluminum Alloy AU4GN | Heat treatable aluminium alloy |
| A-U4GN Aluminum Alloy | Aluminum Alloy A-U4GN | Wrought aluminium alloy |
| AFNOR AU4GN Aluminium | AFNOR A-U4GN Aluminium | French aerospace aluminium alloy |
| AU4GN AlCuMg Alloy | A-U4GN AlCuMgNi Alloy | Aluminium copper magnesium family |
AU4GN and A-U4GN aluminium alloys are French aerospace aluminium grades used in aircraft engineering and structural applications. These grades are selected where reliable strength, heat treatment response and machining performance are needed.
They are commonly used for aircraft fittings, aircraft lugs, aerospace forgings, high load components, structural components and precision machined aircraft parts.
Russian Metals AU4GN and A-U4GN aluminium alloys offer:
AU4GN and A-U4GN aluminium alloys are generally treated as aluminium copper magnesium and aluminium copper magnesium nickel alloy grades. Aluminium is the base metal, while copper, magnesium and nickel support strength, hardness, heat treatment response and elevated performance.
| Element / Component | Typical Role in AU4GN / A-U4GN Aluminium Alloy |
|---|---|
| Aluminium, Al | Base metal |
| Copper, Cu | Improves strength and heat treatment response |
| Magnesium, Mg | Supports hardening and mechanical performance |
| Nickel, Ni | Supports strength stability in selected alloy conditions |
| Manganese, Mn | Supports strength and structural stability |
| Silicon, Si | Controlled element as per specification |
| Iron, Fe | Controlled element as per specification |
| Zinc, Zn | Controlled element as per specification |
| Titanium, Ti | Grain refinement support where specified |
| Other Elements | Controlled impurity limits as per project standard |
| Material Family | AlCuMg / AlCuMgNi aluminium alloy |
Russian Metals AU4GN Aluminium Alloy and A-U4GN Aluminium Alloy are selected for high strength, aircraft component performance, fatigue resistance and CNC machining suitability. Mechanical properties depend on temper, thickness, heat treatment, product form and applicable standard.
| Property | Typical Performance Detail |
|---|---|
| Strength Level | High strength aluminium alloy |
| Heat Treatment Response | Good |
| Fatigue Resistance | Suitable for aircraft and high load components |
| Machinability | Good for CNC machining and precision engineering |
| Formability | Depends on temper and product form |
| Weldability | Limited compared with 5000 / 6000 series weldable alloys |
| Application Focus | Aerospace, aircraft fittings, lugs, forged parts, machined components |
| Product Forms | Plate, sheet, bar, tube, pipe, profile, forging and billet |
AU4GN and A-U4GN aluminium alloys provide lightweight performance for aerospace, aviation, defence, automotive, motorsport and industrial engineering parts.
| Property | Detail |
|---|---|
| Material Type | French aerospace aluminium alloy |
| Alloy Family | Heat treatable aluminium alloy |
| Main Alloy System | Aluminium copper magnesium / aluminium copper magnesium nickel |
| Density | Lightweight aluminium alloy range |
| Product Availability | Plate, sheet, bar, rod, pipe, tube, extrusion, forging |
| Application Focus | Aircraft structures, aircraft fittings, CNC components, structural parts |
AU4GN and A-U4GN aluminium alloys are heat treatable materials. Their thermal and processing performance depends on temper, heat treatment condition, section thickness and application requirements.
| Thermal / Processing Point | Detail |
|---|---|
| Heat Treatable | Yes |
| Heat Treatment Type | Solution treatment, ageing and hardening depending on condition |
| Thermal Stability | Suitable for selected aerospace and engineering applications |
| Processing Suitability | Machining, extrusion, forging, cutting and forming depending on temper |
| Application Focus | Aerospace, aircraft, defence and high load components |
AU4GN Aluminium Alloy and A-U4GN Aluminium Alloy are not mainly selected for electrical conductivity. These alloys are preferred for high strength, aircraft structural performance, machinability, fatigue resistance and heat treatment response.
AU4GN and A-U4GN aluminium alloys are lightweight compared with steel. Russian Metals AU4GN aluminium plate, A-U4GN aluminium sheet and AU4GN aluminium profile are suitable where weight saving and high strength are important.
Hardness depends on temper and heat treatment. AU4GN T6 aluminium, A-U4GN T651 aluminium and heat treated AU4GN aluminium can provide improved hardness compared with annealed material.
Russian Metals AU4GN Aluminium Alloy is used where high tensile performance is required for aircraft parts, defence components, high load components and structural aerospace applications.
Yield strength depends on temper such as O, T3, T4, T451, T6, T651 and T6511. Heat treated AU4GN and A-U4GN aluminium are preferred where load-bearing capability and structural reliability are required.
Elongation depends on heat treatment condition. AU4GN O aluminium and annealed AU4GN aluminium offer better formability, while hardened and aged tempers provide higher strength with lower ductility.
AU4GN and A-U4GN aluminium alloys provide typical aluminium stiffness for aircraft structures, aerospace profiles, machined components, forged parts and precision engineering applications.
Russian Metals AU4GN Aluminium Alloy and A-U4GN Aluminium Alloy are suitable for parts exposed to shear loading, including aircraft fittings, lugs, brackets, forged components and high load structural assemblies.
AU4GN aluminium fatigue strength is important for aircraft lugs, aircraft fittings, aerospace forgings, defence components and high load precision parts exposed to repeated stress.
AU4GN and A-U4GN aluminium alloys are suitable for components requiring toughness, lightweight design and high strength. Correct temper selection supports better impact and service performance.
AU4GN aluminium corrosion resistance is moderate because it belongs to a high strength aluminium copper magnesium family. Protective surface finish, coating or controlled service environment may be recommended.
AU4GN and A-U4GN aluminium naturally form a protective oxide layer. Additional anodizing, coating or surface finishing may be used for aerospace, outdoor, marine or aggressive environments.
Heat treated AU4GN aluminium and A-U4GN aluminium provide useful hardness and wear resistance for CNC machined components, forged aerospace parts, fittings and precision engineering components.
AU4GN T651 aluminium, AU4GN T6511 aluminium and A-U4GN heat treated aluminium are used where stress resistance, dimensional stability and structural reliability are required.
Crack resistance depends on temper, heat treatment, machining design, forging quality and surface condition. Russian Metals supports suitable AU4GN and A-U4GN form selection for demanding aerospace applications.
Russian Metals AU4GN aluminium round bar, A-U4GN aluminium round bar, AU4GN aluminium flat bar, AU4GN aluminium billet and A-U4GN aluminium block are suitable for CNC machining, milling, drilling, turning and precision engineering.
AU4GN and A-U4GN aluminium alloys are generally not selected where welding is the main requirement. They are mainly preferred for machining, forging, mechanical fastening, aircraft structures and heat treated components.
AU4GN O aluminium and annealed AU4GN aluminium provide better formability. Heat treated tempers such as AU4GN T6 aluminium, AU4GN T651 aluminium and A-U4GN T6511 aluminium provide higher strength for structural use.
Russian Metals AU4GN and A-U4GN aluminium alloys can be cut, drilled, machined, extruded, forged and processed into aerospace profiles, aircraft fittings, aircraft lugs, defence parts and industrial engineering components.
AU4GN and A-U4GN aluminium alloys are heat treatable aluminium alloys. Heat treatment improves strength, hardness and mechanical performance. Common treatment references include solution treated AU4GN aluminium, naturally aged AU4GN aluminium, artificially aged AU4GN aluminium and hardened AU4GN aluminium.
Common temper-based terms include:
| Product | Available Tempers |
|---|---|
| Russian Metals AU4GN Aluminium Alloy | O, T3, T4, T451, T6, T651, T6511 |
| Russian Metals A-U4GN Aluminium Alloy | O, T3, T4, T451, T6, T651, T6511 |
| Russian Metals AU4GN Aluminum Alloy | Annealed, solution treated, naturally aged, artificially aged |
| Russian Metals A-U4GN Aluminum Alloy | Annealed, hardened and heat treated conditions |
| Russian Metals French AU4GN Aluminium Alloy | Aircraft temper and aerospace temper options |
Russian Metals can supply AU4GN and A-U4GN aluminium products with finish options based on stock and project requirements:
Russian Metals supplies AU4GN and A-U4GN aluminium alloys in multiple forms for aerospace, aircraft, defence, automotive, motorsport, industrial and construction applications.
Available products include:
Russian Metals supplies:
Available products include:
Russian Metals supplies:
Available products include:
| Product Type | Available Range |
|---|---|
| Aluminium Plate | Standard and custom thickness options |
| Aluminium Sheet | Thin to medium sheet sizes |
| Aluminium Round Bar | Multiple diameters for CNC machining |
| Aluminium Flat Bar | Standard and custom width options |
| Aluminium Hex Bar | Engineering and machining sizes |
| Aluminium Square Bar | Custom and standard sizes |
| Aluminium Rod | Standard and project-based lengths |
| Aluminium Pipe | Custom diameter and wall thickness options |
| Aluminium Tube | Custom tube sizes on request |
| Aluminium Extrusion | Aircraft, aerospace and industrial profile options |
| Aluminium Profile | Aviation, structural and machine-building profiles |
| Aluminium Forging Stock | Project-based supply |
| Aluminium Billet | Machining, extrusion and forging feedstock |
| Aluminium Block | Custom cut block sizes |
| Aluminium Strip & Coil | Application-based supply |
| Aluminium Aerospace Profile | Drawing-based or specification-based supply |
| Custom Cut Aluminium Size | As per project drawing or size requirement |
Russian Metals supplies AU4GN and A-U4GN aluminium alloy products according to French AFNOR, project specifications and material documentation requirements.
| Reference | Detail |
|---|---|
| French Grade | AU4GN Aluminium Alloy |
| AFNOR Grade | A-U4GN Aluminium Alloy |
| Material Family | High strength duralumin alloy |
| Alloy System | AlCuMg / AlCuMgNi aluminium alloy |
| Processing Family | Heat treatable aluminium alloy |
| Application Family | Aerospace and aircraft structural aluminium alloy |
| Supply Documentation | Material test certificate support on request |
| Russian Metals Product | Equivalent / Alternative Names |
|---|---|
| Russian Metals AU4GN Aluminium Alloy | French AU4GN Aluminium, AU4GN Aluminium Grade, Aluminium Alloy AU4GN |
| Russian Metals A-U4GN Aluminium Alloy | AFNOR A-U4GN Aluminium, A-U4GN Aluminium Grade, Aluminium Alloy A-U4GN |
| Russian Metals AU4GN Aluminum Alloy | Aluminum Alloy AU4GN, AU4GN Wrought Aluminium Alloy |
| Russian Metals A-U4GN Aluminum Alloy | Aluminum Alloy A-U4GN, A-U4GN Wrought Aluminium Alloy |
| Russian Metals French Aerospace Aluminium Alloy | Aircraft Structural Aluminium Alloy, Aerospace Aluminium Alloy |
| Russian Metals Aluminium Copper Magnesium Alloy | AU4GN AlCuMg Aluminium Alloy, A-U4GN AlCuMg Aluminium Alloy |
| Grade | Strength Level | Heat Treatment Response | Machinability | Common Use |
|---|---|---|---|---|
| AU4GN Aluminium | High | Good | Good | Aircraft fittings, lugs, aerospace components |
| A-U4GN Aluminium | High | Good | Good | Aircraft structures, forged components, CNC parts |
| 2017 Aluminium | Medium to high | Good | Good | Aircraft fittings and machined parts |
| 2024 Aluminium | High | Good | Good | Wing and fuselage structures, aircraft fittings |
| 2618A Aluminium | High | Good | Good | Aircraft engine parts, heat resistant parts |
| 2014 Aluminium | High | Good | Excellent | Machined aerospace and defence components |
AU4GN and A-U4GN aluminium alloys are preferred where French AFNOR specification, aircraft fitting performance, high strength and fatigue resistant component supply are required.
Russian Metals AU4GN and A-U4GN aluminium alloys are suitable for:
Russian Metals supplies AU4GN Aluminium Alloy, A-U4GN Aluminium Alloy, AU4GN Aluminum Alloy and A-U4GN Aluminum Alloy in plate, sheet, round bar, flat bar, hex bar, square bar, rod, pipe, tube, extrusion, profile, forging, forging stock, billet, block, strip, coil, aluminium machined component, aluminium aerospace profile and custom cut aluminium size.
| Specification Point | Details |
|---|---|
| Product Name | Russian Metals AU4GN Aluminium Alloy |
| Main Keywords | AU4GN Aluminium Alloy, Aluminium Alloy AU4GN, French AU4GN Aluminium |
| Material Type | French aerospace aluminium alloy |
| Available Forms | Plate, sheet, round bar, flat bar, hex bar, square bar, rod, pipe, tube, extrusion, profile, forging, billet, block |
| Common Tempers | O, T3, T4, T451, T6, T651, T6511 |
| Applications | Aerospace, aircraft fittings, aircraft lugs, CNC machining, forged components |
| Key Benefits | High strength, fatigue resistance, machinability, aircraft grade performance |
| Specification Point | Details |
|---|---|
| Product Name | Russian Metals A-U4GN Aluminium Alloy |
| Main Keywords | A-U4GN Aluminium Alloy, Aluminium Alloy A-U4GN, AFNOR A-U4GN Aluminium |
| Material Type | AFNOR aircraft structural aluminium alloy |
| Available Forms | Plate, sheet, round bar, flat bar, rod, pipe, tube, extrusion, profile, forging, billet |
| Common Tempers | O, T3, T4, T451, T6, T651, T6511 |
| Applications | Aircraft components, aerospace profiles, defence parts, precision engineering |
| Key Benefits | French aerospace grade support, high strength, heat treatment response |
| Specification Point | Details |
|---|---|
| Product Name | Russian Metals AU4GN Aluminium Plate |
| Main Keywords | AU4GN aluminium plate, AU4GN plate supplier, AU4GN custom cut aluminium |
| Material Type | High strength aerospace aluminium plate |
| Available Tempers | T3, T4, T451, T6, T651 |
| Applications | Aircraft structures, aerospace components, high load structural parts |
| Key Benefits | Cut-to-size availability, strength, stability, aerospace suitability |
| Specification Point | Details |
|---|---|
| Product Name | Russian Metals A-U4GN Aluminium Round Bar |
| Main Keywords | A-U4GN aluminium round bar, A-U4GN CNC component, A-U4GN machined component |
| Material Type | Machinable aerospace aluminium bar stock |
| Available Tempers | T3, T4, T6, T6511 |
| Applications | CNC machining, aircraft fittings, lugs, precision engineering parts |
| Key Benefits | Good machinability, strength, dimensional stability |
| Specification Point | Details |
|---|---|
| Product Name | Russian Metals AU4GN Aluminium Forging Stock |
| Main Keywords | AU4GN aluminium forging stock, AU4GN aluminium forging, AU4GN aerospace forging |
| Material Type | Aerospace forging aluminium alloy |
| Available Tempers | Heat treated and project-based conditions |
| Applications | Aircraft fittings, aerospace forgings, high load components |
| Key Benefits | Forging suitability, fatigue resistance, aircraft structural performance |
AU4GN Aluminium Alloy is a French aerospace aluminium alloy used for aircraft parts, aircraft fittings, lugs, forged components, CNC machining and high strength structural applications.
A-U4GN Aluminium Alloy is an AFNOR aluminium alloy designation used for aerospace and aircraft structural applications requiring strength, fatigue resistance and heat treatment response.
AU4GN aluminium is used for aerospace components, aircraft fittings, aircraft lugs, aircraft structures, machined parts, defence components and forged aircraft parts.
AU4GN aluminium offers high strength, heat treatable performance, good machinability, fatigue resistance and suitability for aircraft structural components.
AU4GN aluminium is generally associated with aluminium copper magnesium or aluminium copper magnesium nickel alloy chemistry, with controlled elements according to the applicable AFNOR or project specification.
A-U4GN aluminium mechanical properties depend on temper and form. It is generally selected for high strength, machining performance, fatigue resistance and aircraft structural reliability.
Common temper references include AU4GN O aluminium, AU4GN T3 aluminium, AU4GN T4 aluminium, AU4GN T451 aluminium, AU4GN T6 aluminium, AU4GN T651 aluminium and AU4GN T6511 aluminium.
Yes. AU4GN aluminium is suitable for aerospace applications, aircraft parts, aircraft fittings, aircraft lugs, structural components and aerospace forgings.
Yes. A-U4GN aluminium is suitable for aircraft fittings, aircraft lugs, CNC machined aerospace parts and high load structural components.
Yes. AU4GN aluminium is a high strength aluminium alloy used for high load components, aircraft structural parts, forged components and precision engineering parts.
Yes. AU4GN aluminium round bar, A-U4GN aluminium round bar, plate, billet and block are suitable for CNC machining, milling, turning, drilling and precision engineering.
AU4GN aluminium is generally not preferred for welding-focused applications. It is mainly selected for machining, forging, mechanical fastening and aircraft structural use.
AU4GN aluminium has moderate corrosion resistance. Protective coating, anodizing or surface finishing may be recommended for outdoor, marine or aggressive environments.
Russian Metals supplies AU4GN and A-U4GN aluminium in plate, sheet, round bar, flat bar, hex bar, square bar, rod, pipe, tube, extrusion, profile, forging, forging stock, billet, block, strip, coil, machined component and custom cut aluminium size.
Russian Metals supplies AU4GN and A-U4GN aluminium alloy products in multiple forms and heat treated conditions for aerospace, aircraft, defence, CNC machining, forging, high load components and precision engineering applications.
Send the required alloy designation, product form, dimensions, quantity, standard, delivery condition, testing, certificate requirements and destination for a technically correct quotation.
AU4GN & A-U4GN Aluminium Alloys supply support.
Chemical, mechanical, heat-treatment and inspection documentation.
Product-form, cut-to-size, extrusion and drawing-based supply support.
Export packaging and international delivery assistance.