1145 aluminum alloy is a high-purity industrial aluminum (Al≥99.45%) with excellent corrosion resistance, electrical and thermal conductivity, and excellent ductility. It exists in foil form and can be used in industrial fields (thermal insulation materials, capacitor foil, cable sheaths, etc.) as well as in food, pharmaceutical, and cosmetic packaging.
Chalco 1145 aluminum alloy is manufactured in strict accordance with the chemical composition and product specifications of Russian standards GOST 618-2014 (aluminum foil for technical use) and GOST 745-2014 (aluminum foil for packaging), ensuring that the thickness, width, and coil condition meet the performance requirements of industrial and packaging applications.
Advantages of 1145 aluminum alloy GOST 618/745
High-purity aluminum: Al≥99.45%, with excellent corrosion resistance, electrical and thermal conductivity.
The standard certification clearly states: compliant with Russian standards GOST 618-2014 / GOST 745-2014, ensuring peace of mind for procurement, engineering, and export.
Available in multiple specifications: thickness 0.007–0.250 mm, width 15–540 mm, custom sizes available upon request.
Flexible processing: suitable for cold working, stamping, rolling and welding processes.
1145 aluminum alloy GOST 4784-97 chemical composition
The chemical composition of Chalco 1145 aluminum alloy is strictly controlled according to standards to ensure consistent high purity, corrosion resistance, electrical and thermal conductivity in industrial and packaging applications.
The product conforms to standards such as GOST 4784-97 / GOST 11069.
| Element | Content requirements |
| Aluminum (Al) | ≥ 99.45% |
| Iron (Fe) | ≤ 0.05% |
| Silicon (Si) | ≤ 0.50% |
| Fe + Si | ≤ 0.55% |
| Copper (Cu) | ≤ 0.05% |
| Manganese (Mn) | ≤ 0.05% |
| Magnesium (Mg) | ≤ 0.05% |
| Zinc (Zn) | ≤ 0.05% |
| Titanium (Ti) | ≤ 0.03% |
| Vanadium (V) | ≤ 0.05% |
| Other impurities | Each ≤ 0.03%, total ≤ 0.15% |
1145 Aluminum Alloy GOST 618-2014 Material Properties
1145 aluminum alloy is available in a variety of hardness states, and its mechanical properties meet the strength and ductility requirements of industrial and packaging applications.
| Temper | Thickness range (mm) | Tensile strength σв (MPa) | Elongation δ (%) | Elastic modulus E (GPa) |
| Soft O/M | 0.007–0.011 | 30–50 | ≥3.0 | 70–80 |
| Soft O/M | 0.011–0.045 | 35–55 | ≥3.5 | 70–80 |
| Soft O/M | 0.045–0.200 | 40–60 | ≥2.0 | 70–80 |
| Hard H12 | 0.007–0.200 | 80–110 | ≥12 | 70–80 |
| Hard H14 | 0.007–0.200 | 100–120 | ≥9 | 70–80 |
| Hard H16 | 0.007–0.200 | 130–150 | ≥6 | 70–80 |
| Hard H18 | 0.007–0.200 | 150–170 | ≥5 | 70–80 |
| Processing Notes: Strength can be increased through cold working hardening, suitable for stamping, rolling, bending, and welding processes. It cannot be strengthened by heat treatment; high temperatures of 200–250°C may reduce its strength. | ||||
Alloy 1145 has stable physical properties, and its density, thermal conductivity, electrical conductivity and other parameters all meet the standards for high-purity aluminum, providing a reliable guarantee for processing and application.
| Performance | Numerical values |
| density | 2.60–2.80 g/cm³ |
| Melting point | ~660°C |
| thermal conductivity | 227 W/(m·K) |
| electrical conductivity | 55–60% IACS |
| elastic modulus | 70–80 GPa |
| Poisson's ratio | 0.33 |
With its stable material properties, Chalco supports customized aluminum foil and technical consultation to meet project needs. Please feel free to contact us anytime.
1145 aluminum alloy (ГОСТ 618/745) product specifications
Thickness: 0.007–0.250 mm
Width: 15–540 mm
Inner diameter of the roll: Standard core can be selected at 290 mm (adjustable according to customer needs).
Roll weight: can be customized to order
Winding methods: Shaftless winding / Steel shaft winding / Aluminum shaft winding
Typical applications of 1145 alloy
1145 aluminum alloy foil is widely used in both industrial and packaging fields. It has stable performance, strong processability, and can meet the needs of different projects.
Industrial applications
Thermal insulation materials: pipe and equipment insulation
Water insulation materials: waterproof and seepage-proof
Electronic components: capacitor foil, cable sheath
Packaging applications
Food packaging: candy, biscuits, beverages
Pharmaceutical packaging: tablets, medical devices
Cosmetic packaging: tubes, creams
Lithium-ion battery current collector: thin aluminum foil current collector
Chalco 1145 aluminum alloy production and processing capabilities
Product marking example: Фольга 1145 0.05×460 ГОСТ 618-2014
Marking instructions: Thickness × Width, Alloy Grade, Applicable Standard
Processing technology
- Production process: rolling, extrusion, low-temperature annealing, full annealing
- Processing characteristics: Good forming, stamping, bending, and welding properties.
- High temperature precautions: Do not heat treat for strengthening; temperatures of 200–250°C may reduce strength.
Chalco 1145 aluminum alloy supply and quality assurance
Inventory and Delivery: We provide stable inventory, and delivery cycles can be arranged according to project requirements.
Customization capabilities: Thickness, width, and roll specifications can be customized according to customer requirements.
Technical support and project consulting: Providing batch testing reports, quality tracking, and international logistics services.
Surface quality: Free from defects such as creases, oil stains, and scratches, ensuring consistent delivery standards.
Order 1145 aluminum alloy
Chalco provides 1145 aluminum alloy foil conforming to Russian standard GOST 618/745, supporting both stable bulk supply and project customization.
Bulk Ordering: Supports large-volume purchases; thickness, width, and roll specifications can be customized according to project requirements.
Technical support: Provides standard compliance reports, quality tracking, and engineering application guidance.
Logistics Guarantee: International shipping and stable supply ensure on-time project delivery.
Contact us for a quote or customized solution to provide your project with high-purity 1145 aluminum alloy foil conforming to GOST.
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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