D16T (Д16Т)
D16T Aluminium Alloy: High-Strength, Heat-Treatable Aluminium for Critical Applications
D16T Aluminium is a high-strength aluminium alloy in the T3/T4 heat-treated condition, commonly used in aerospace, defense, and transport industries. This Al–Cu–Mg system alloy is the Russian equivalent of AA2024-T3 and is renowned for its excellent fatigue resistance, high strength, and good machinability. Its superior properties make it ideal for structural applications where light weight and reliable performance are crucial.
Overview of D16T Aluminium Alloy
D16T Aluminium, also known as D16T (Russian: Д16Т), is a heat-treated version of the D16 aluminium alloy. It combines copper, magnesium, and manganese for increased strength and fatigue resistance. It’s often used in critical engineering applications that require structural integrity, particularly in aerospace, defense, and precision engineering sectors.
- • High corrosion and seawater resistance
- • Strong yet lightweight (ideal for load-bearing components)
- • Excellent weldability and formability
- • Long-term durability with minimal maintenance
Characteristics of the material D16T
| Grade : | D16T |
| Classification : | Titanium wrought alloy |
| Application: | for the manufacture of large-sized welded and prefabricated structures of aircraft, for the manufacture of cylinders operating under internal pressure in a wide temperature range from 196 to 450 °C, and a number of other structural elements; structural class α+β |
Worldwide Equivalent Grades for D16T Aluminium
D16T (Russian: Д16Т) is equivalent to several international standards:
| Country | Equivalent Grade |
|---|---|
| USA | AA2024-T3 |
| Germany | DIN 3.1355 |
| France | AFNOR P-AlCu4.4MgMn |
| Italy | UNI AlCu4Mg2 |
| Poland | PN 424203 |
Chemical Composition of D16T Aluminium
| Element | Percentage (%) |
|---|---|
| Aluminum (Al) | Remainder |
| Copper (Cu) | 3.8 – 4.9 |
| Magnesium (Mg) | 1.2 – 1.8 |
| Manganese (Mn) | 0.3 – 0.9 |
| Iron (Fe) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.5 |
| Zinc (Zn) | ≤ 0.25 |
| Titanium (Ti) | ≤ 0.1 |
| Chromium (Cr) | ≤ 0.1 |
(Values may vary slightly based on production standard or heat treatment.)
Heat Treatment and Mechanical Properties of D16T
D16T is heat-treated to enhance its mechanical properties, offering superior performance:
| Property | Value |
|---|---|
| Heat Treatment | Typically undergoes solution treatment and artificial aging to reach the T3 or T4 condition. |
| Tensile Strength | 430–490 MPa |
| Yield Strength | 255–345 MPa |
| Elongation | 8-12% (depending on heat treatment) |
| Impact Strength (KCU) | Varies with temper |
Key Properties of D16T Aluminium
D16T, also known as D16T (Russian: Д16Т), is a heat-treated version of the D16 aluminium alloy, renowned for its high strength and durability. This alloy is specifically designed to perform in demanding structural applications, particularly in aerospace and defense sectors. The key properties of D16T aluminium make it ideal for applications requiring both lightweight and high-performance materials.
High Strength
D16T is known for its superior tensile and yield strength, making it suitable for load-bearing applications where structural integrity is crucial. The strength of this alloy is enhanced by heat treatment, which allows it to withstand mechanical stress and strain without deformation.
Fatigue Resistance
D16T exhibits excellent fatigue resistance, meaning it can withstand repeated loading and unloading without failing. This property is especially important in applications like aerospace, where components are subject to cyclic stresses during operation.
Corrosion Resistance
D16T offers good resistance to corrosion, particularly in atmospheric environments. It is suitable for use in industries like aerospace and marine, where exposure to moisture, chemicals, and salts is common. The alloy’s natural corrosion resistance ensures longevity and reduced maintenance needs.
Machinability
D16T aluminium provides good machinability, allowing it to be easily shaped into complex geometries. This property is important for industries that require intricate parts and precision-engineered components.
Weldability
While D16T is known for its excellent strength and performance, it also exhibits good weldability, allowing it to be used in a variety of welding techniques such as TIG, MIG, and arc welding. This makes it highly versatile in manufacturing and assembly processes.
Applications of D16T Aluminium
D16T aluminum, with its unique combination of high strength, corrosion resistance, and excellent mechanical properties, is widely used in a variety of demanding industries. The alloy is particularly valued for its ability to perform in extreme conditions, making it ideal for high-performance and structural applications. Below are the key applications of D16T aluminium:
Aerospace
Aircraft Structures: D16T is used in the construction of key components of aircraft, including fuselage frames, wing spars, and other structural parts where lightweight and high strength are essential for performance and fuel efficiency.
Engine Components: The alloy is employed in the manufacturing of engine components, such as turbine blades and compressor parts, due to its high-temperature resistance and mechanical strength.
Landing Gear and Structural Parts: Its ability to resist fatigue and impact makes D16T ideal for use in critical components like landing gear, where reliability and strength are crucial.
Automotive
Engine Parts: D16T is used in manufacturing high-performance engine components such as cylinder heads, pistons, and crankcases, where strength and durability are required under high stress.
Chassis and Suspension: The alloy’s lightweight yet strong properties make it a top choice for automotive chassis, suspension components, and body panels, where reducing weight without compromising strength is vital for performance and fuel economy.
Structural Components: D16T is used for the construction of vehicle frames and other structural elements that must withstand heavy loads while maintaining rigidity.
Defense and Military
Armored Vehicles: D16T is utilized in the production of lightweight armored vehicles and components. Its high strength and impact resistance make it an ideal material for military vehicle armor.
Military Aircraft and Helicopters: The alloy is used for critical components of military aircraft and helicopters, including wings, fuselage, and engine parts, where both strength and weight are essential.
Weapons and Ammunition: D16T is also employed in the defense sector for the manufacture of precision components for weapons and ammunition, where high strength and dimensional accuracy are paramount.
Marine
Boat Hulls and Propellers: Due to its excellent corrosion resistance, D16T is used in the marine industry for boat hulls, propellers, and other parts that are exposed to saltwater, providing durability in harsh marine environments.
Offshore Structures: The alloy is also employed in the construction of offshore platforms and rigs, where its strength and corrosion resistance ensure long-lasting performance in challenging conditions.
Industrial Manufacturing
Heat Exchangers: D16T’s excellent resistance to corrosion, especially in acidic or high-temperature environments, makes it ideal for heat exchangers used in chemical processing and other industrial applications.
Machine Parts and Tools: The alloy’s high machinability allows it to be used for producing complex machine components, precision tools, and custom-engineered parts for industrial machinery.
Structural Frames: Used in the manufacturing of industrial frameworks, D16T offers a reliable solution where both strength and lightweight properties are essential.
Why Choose D16T from Russian Metals?
Russian Metals offers top-quality D16T aluminium for industries requiring high strength and durability. As a trusted supplier, we provide:
Reliable Performance: Our D16T alloy meets the highest standards for aerospace, defense, and transportation.
Timely Delivery: We ensure prompt and efficient delivery to meet your project deadlines.
Customized Solutions: We offer D16T in various forms such as bars, plates, and sheets, tailored to your specific requirements.
Contact Us for D16T Aluminum Orders
For more information or to place an order, contact Russian Metals today. We specialize in providing the best quality GOST D16 aluminum at competitive prices for industrial, defense, and aerospace applications.