1561
Aluminium Alloy: High-Performance Material for Demanding Applications
1561 aluminium is a high-strength, heat-treatable alloy that belongs to the 1xxx–7xxx series group of wrought aluminium alloys. It is known for its excellent mechanical strength, good corrosion resistance, and reliable machinability, making it highly suitable for critical industrial and aerospace applications. This alloy demonstrates a balanced combination of durability, thermal stability, and weldability, allowing it to perform well under stress, pressure, and varying temperature conditions. High Strength and Durability: Offers impressive tensile and yield strength, ideal for structural and mechanical components exposed to stress.
What is 1561 Aluminium Alloy?
1561 aluminium alloy (also known as DD1561) is a magnesium-based aluminium alloy designed for high-strength and durability. It offers superior performance in both welded and non-welded applications. The alloy is particularly suited for environments that require resistance to corrosion and fatigue, such as aerospace components, marine structures, and transportation equipment.
It was developed in the former Soviet Union as an advanced structural alloy similar in behavior to Western grades 6082 (HE30) and 6061, offering high strength, good corrosion resistance, and excellent weldability.
The 1561 alloy is primarily used for aerospace, automotive, shipbuilding, and architectural applications where light weight, strength, and formability are all required in one material.
1561 Aluminium combines medium-to-high strength with excellent corrosion resistance and weldability, making it a very versatile choice for fabricated and extruded components.
Characteristics for Grade 1561
| Parameter | Details |
|---|---|
| Steel Grade | 1561 (1561) |
| Grade | 1561 (1561) |
| Classification | Electrotechnical sulphide steel |
| Equivalent Grades | Is absent |
Chemical Composition of 1561 Aluminium Alloy
| Element | Composition (%) |
|---|---|
| Aluminium (Al) | 91.1% – 94% |
| Magnesium (Mg) | 2.5% – 3.5% |
| Copper (Cu) | 0.05% – 0.3% |
| Manganese (Mn) | 0.1% – 1% |
| Silicon (Si) | Max 0.5% |
| Iron (Fe) | Max 0.5% |
| Zinc (Zn) | Max 0.1% |
| Titanium (Ti) | Max 0.1% |
Mechanical Properties of 1561 Aluminium Alloy
| Property | Value |
|---|---|
| Tensile Strength (σT) | 345 – 450 MPa |
| Yield Strength (σY) | 240 – 310 MPa |
| Elongation (δ5) | 5 – 12% |
| Hardness (HB) | 75 – 95 |
| Density | 2.7 g/cm³ |
| Modulus of Elasticity | 70 GPa |
| Coefficient of Thermal Expansion (α) | 20.3 × 10⁻⁶ K⁻¹ |
Physical Properties of 1561 Aluminium Alloy
| T (°C) | E × 10⁻⁵ | α × 10⁶ | λ (W/m·°C) | ρ (kg/m³) | C (J/kg·°C) | R × 10⁹ (Ω·m) |
|---|---|---|---|---|---|---|
| 20 | – | – | – | 7550 | – | 600 |
| T | E 10-5 | α 106 | λ | ρ | C | R 109 |
|---|---|---|---|---|---|---|
| Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m³ | J/(kg·Grade) | Ohm·m |
| 20 | - | - | - | 7550 | - | 600 |
Benefits of 1561 Aluminium Alloy
High Strength-to-Weight Ratio: Ideal for applications where reducing weight without compromising strength is critical.
Corrosion Resistance: Offers outstanding resistance to corrosion and fatigue, making it suitable for harsh environments.
Excellent Weldability: Can be welded without compromising its mechanical properties.
Thermal Stability: Performs well at elevated temperatures, making it suitable for high-temperature applications like aerospace and transport.
Applications of 1561 Aluminium Alloy
Due to its high strength and exceptional properties, 1561 aluminium is widely used in various industries that require strong, lightweight materials with excellent fatigue and corrosion resistance, including:
Aerospace: Structural components such as aircraft fuselage, wing panels, and engine components.
Marine: Ship hulls, offshore structures, and marine equipment.
Transport: Railcars, automobile components, and high-performance engines.
Engineering: Heavy machinery parts, tooling, and jigs.
Why Choose Russian Metals for 1561 Aluminium Alloy?
At Russian Metals, we provide high-quality 1561 aluminium alloy that meets international standards. Our product offerings include sheets, plates, and custom profiles. We also offer precision cutting, machining, and technical support to meet your specific project needs.
Certified Quality: Our 1561 aluminium is sourced from reliable suppliers and is fully certified for industrial use.
Custom Solutions: We provide custom-cut profiles and machining to meet your design specifications.
Expert Support: Our experienced team is available to assist with material selection, technical inquiries, and project support.
Contact Us for 1561 Aluminum Orders
For more information or to place an order, contact Russian Metals today. We specialize in providing the best quality GOST 1561 aluminum at competitive prices for industrial, defense, and aerospace applications.