AKM aluminum alloy is a high-strength, machinable Russian-standard wrought alloy with strong heat-treatable strengthening capabilities, making it ideal for aircraft maintenance, machining, and industrial applications. It offers excellent weldability and machinability and is widely used in projects requiring custom materials.
Chalco Aluminium supplies AKM aluminum products in compliance with GOST 21631-76 and GOST 17232-79, including sheets, strips, coils, and custom-cut parts, offering precise solutions for your project needs.
Why Choose Russian-Standard AKM Aluminum Alloy?
- High Strength and Heat-Treatable: AKM aluminum alloy belongs to the Al-Cu-Mg-Si-Mn series and achieves significant tensile strength improvements through heat treatment, making it ideal for high-strength applications.
- Excellent Weldability and Machinability: This alloy offers excellent weldability, supporting MIG/TIG welding, and performs well in CNC machining and laser cutting, meeting a range of industrial demands.
- Compliance with Russian GOST Rolling Standards: AKM aluminum alloy conforms to GOST 21631-76 and GOST 17232-79 rolling standards and supports custom production, including sheets, strips, coils, and cut-to-size parts, ensuring precise alignment with project specifications.
- Flexible Customization Services: We provide tailored solutions based on customer drawings and requirements, ensuring full compliance in dimensions, heat treatment, and mechanical properties.
- Environmental Compliance: Compliant with international environmental regulations such as REACH and RoHS, suitable for applications with stringent environmental requirements.
Russian-Standard AKM Aluminum Alloy Product Categories
Aluminum Sheet
Thickness: 0.5 mm – 10.5 mm
Width: 1000 mm, 1200 mm, 1400 mm, 1500 mm, 1600 mm, 1800 mm, 2000 mm
Length: 2000 mm – 7000 mm
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Aluminum Plate
Thickness: 10 mm – 60 mm
Width: 1000 mm – 2500 mm
Length: 2000 mm – 12000 mm
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Thickness: 0.3 mm – 6 mm
Width options: 500 mm, 800 mm, 1000 mm, 1200 mm, 1500 mm
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Customization and Processing
We offer custom AKM aluminum alloy solutions, including custom alloy ingot casting, rolling of sheet, coil, and strip, as well as downstream cutting, slitting, and machining services, ensuring precise alignment with your project's dimensional and performance requirements.
Chemical composition of Russian-standard AKM aluminum alloy (GOST 1131-76)
| Chemical Element | Content Range (%) |
| Aluminum (Al) | 90.6 – 97.0 |
| Copper (Cu) | 1.2 – 2.6 |
| Silicon (Si) | 0.8 – 2.2 |
| Magnesium (Mg) | 0.8 – 1.4 |
| Manganese (Mn) | 0.2 – 0.8 |
| Iron (Fe) | ≤ 1.0 |
| Zinc (Zn) | ≤ 1.0 |
| Chromium (Cr) | ≤ 0.2 |
| Titanium (Ti) | ≤ 0.2 |
| Nickel (Ni) | ≤ 0.1 |
Mechanical properties of Russian-standard AKM aluminum alloy (GOST 21631-76)
| O temper | T6 temper | |
| Thickness | 1–10.5 mm | 1–10.5 mm |
| Tensile strength | ≤245 | ≥315 |
| Elongation | ≥10 | ≥10 |
| Condition description | Annealed condition | Quenched and aged condition |
The chemical composition and mechanical properties of AKM alloy can be evaluated per GOST standards, depending on the customer's specific drawing requirements, production temper, and end-use application. For custom orders, we provide detailed chemical composition analysis reports and mechanical property testing.
Typical applications of Russian-standard AKM aluminum alloy
Aerospace and defense applications
AKM aluminum alloy, a high-strength aluminum-copper alloy, is well suited for aerospace and military applications, particularly in airframe structures, aircraft support frames, cabin components, and aviation parts. Its strength and weldability make it an ideal choice for components demanding high strength and durability.
Applications: Wings, landing gear support structures, aviation aluminum alloy components, etc.
Automotive and transportation sector
AKM aluminum alloy offers high strength and excellent machinability, making it suitable for automotive structural components such as body frames, doors, and chassis support parts. These components require a balance between lightweight design and strength, which AKM reliably delivers.
Applications: Automotive chassis, body frames, high-strength automotive components, etc.
Industrial Equipment and Machinery Manufacturing
Due to its high strength and machinability, AKM aluminum alloy is commonly used for structural components and machined parts in industrial equipment, particularly equipment support plates, brackets, and transmission system components that must withstand heavy loads. Its heat-treatment strengthening capability also makes it suitable for machinery requiring both high strength and corrosion resistance.
Applications: Industrial equipment support structures, machined components, transmission system assemblies, etc.
Construction and Engineering Structures
AKM aluminum alloy offers good corrosion resistance and high strength, making it suitable for building facades, window and door frames, and similar applications. In modern architecture, lightweight design and corrosion resistance are critical for both aesthetic and structural performance—requirements that AKM aluminum alloy can fulfill.
Applications: Building facades, balcony frames, window and door structures, etc.
Heat Exchangers and Chemical Processing Equipment
Although AKM aluminum alloy exhibits higher thermal conductivity than typical aluminum alloys, it can still be used in heat exchangers and chemical processing structural components. Especially in applications where extreme thermal conductivity or highly efficient heat transfer is not required, its corrosion resistance and high strength enable reliable performance in such environments.
Applications: Heat exchanger housings, chemical reactors, seawater cooling systems, etc.
Key Standards for AKM Aluminum Alloy
1. GOST 13738-91 — Standard for aluminum alloy sheet and plate.
2. GOST 50066-92 — Related standard for aluminum alloy sheet and plate.
3. GOST 29296-91 — Standard for aluminum alloy sheet and plate.
These standards cover aluminum alloy sheet, strip, and related processing requirements, and apply to quality control and manufacturing specifications for AKM (1420/01420) aluminum alloy throughout production and use.
Custom Manufacturing Capability for AKM Aluminum Alloy
Chalco Aluminium can evaluate and customize AKM aluminum alloy rolled products based on customer-provided GOST standards, chemical composition ranges, engineering drawings, or sample test data. Rather than simply supplying standard off-the-shelf material, we start from custom AKM alloy ingot casting, then roll it into thick plate, thin sheet, aluminum coil, or aluminum strip as required by the project, and further process it into cut-to-size sheets, cut blanks, or machined preforms—helping customers overcome challenges in sourcing, matching, and verifying niche Russian-standard alloys.
- Custom AKM Alloy Ingot Casting: We can produce custom AKM aluminum alloy ingots for projects that lack a clear international equivalent grade but require compliance with Russian-standard chemistry or drawing specifications.
- Rolled Product Manufacturing: Upon completion of flat ingots, they can be further processed via rolling into AKM thick plates, thin plates, aluminum coils, and aluminum strips to meet varying requirements for thickness, width, length, and temper.
- Cut-to-Size Sheets and Machining Blanks: For customers requiring downstream processing, we offer cut-to-length sheets, slit strips, cut blanks, and semi-finished machining stock suitable for subsequent operations such as CNC machining, drilling, milling, and assembly.
- Production Route Aligned with Project Needs: If thick plate is required as a structural component or machining blank, the thick-plate rolling route can be prioritized for evaluation. For applications needing continuous feed material, coil or strip solutions may be assessed. For small-batch samples, feasibility can also be evaluated based on specifications and quantity.
- Inspection Documentation and Material Verification Support: Per order requirements, we can provide chemical composition analysis, mechanical property reports, heat treatment certificates, dimensional inspection records, and material test reports to support customer material verification, drawing compliance, and project acceptance.
For niche Russian-standard aluminum alloys like AKM, customers typically focus on whether the material conforms to the specified standard, can be produced per drawing, and is supported by inspection documentation. Chalco Aluminium offers end-to-end support—from material assessment and alloy customization to rolling production and cutting operations.
Please send your GOST standard, AKM composition requirements, desired product form, dimensions, temper, quantity, and drawing files. We will evaluate production feasibility and provide a tailored quotation.
Frequently Asked Questions
1. Can AKM aluminum alloy be directly substituted with 2024, 2014, or 6061?
Direct substitution is not recommended. AKM is a wrought aluminum alloy under the Russian GOST system and does not have a direct international equivalent. Substitution should be evaluated comprehensively based on GOST standards, drawings, temper, mechanical properties, and intended application.
2. Can AKM aluminum be customized if only GOST drawings or sample data are available?
Yes. Chalco Aluminium can evaluate and customize AKM aluminum flat ingots based on GOST standards, drawing specifications, allowable chemical composition ranges, or sample test data, then roll them into plates, coils, strips, or cut-to-size pieces.
3. Is AKM aluminum alloy weldable and machinable?
AKM offers adequate machinability and is suitable for cutting, drilling, milling, and CNC machining. Weldability must be evaluated based on material temper, thickness, welding method, and service requirements.
4. What AKM product forms can you supply?
We primarily supply rolled AKM products, including thick plates, thin plates, aluminum coils, aluminum strips, cut-to-size sheets, cut blanks, and machined blanks. We do not focus on round bars, billets, or extruded profiles.
5. What types of projects are suitable for AKM aluminum alloy?
AKM is better suited for applications such as GOST-compliant drawings, non-standard material matching, aerospace-related repair projects, industrial equipment panels, machined blanks, support plates, mounting plates, cover plates, and custom-cut components. It is not recommended as a primary choice for high electrical or thermal conductivity applications.
6. What information is required to customize AKM aluminum products?
We recommend providing the GOST standard number, product form, dimensions, temper, quantity, intended application, and drawings or sample inspection reports. If acceptance testing is required, please also specify in advance any requirements for chemical composition, mechanical properties, heat treatment, and dimensional inspection documentation.
Get AKM Aluminum Alloy Project Support
If you are sourcing AKM aluminum alloy sheets, strips, or coils compliant with GOST 21631-76, please contact us. Share your project's specifications, drawings, or sample data, and we will evaluate a tailored solution and provide relevant technical support.
Chalco can provide you the most comprehensive inventory of aluminum products and can also supply you customized products. Precise quotation will be provided within 24 hours.
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