D16 (Д16)
D16 Aluminium Alloy: High-Strength Material for Structural Components
D16 aluminium is a high-strength, heat-treated alloy primarily used in aerospace, military, and industrial applications. It is a combination of aluminium, copper, and magnesium, providing exceptional strength and excellent corrosion resistance. Known for its outstanding machinability, D16 is frequently used in the manufacture of critical components like aircraft structural parts, engine components, and precision equipment.
Overview of D16 Aluminium
D16 is an Al-Cu-Mg alloy that boasts high strength (430–490 MPa) and good fatigue resistance, making it ideal for applications that demand durable materials. This alloy is also known for its reliable machinability andresistance to corrosion, which makes it a trusted material for demanding industries.
- • High corrosion and seawater resistance
- • Strong yet lightweight (ideal for load-bearing components)
- • Excellent weldability and formability
- • Retains strength under moderate temperatures
- • Long-term durability with minimal maintenance
- • Non-magnetic, lightweight, and easily formable
- • High fatigue strength under cyclic stress
- • Stable mechanical properties across temperature variations
Characteristics for grade D16 ( Д16 )
| Grade : | D16 ( Д16 ) ( 1160 ) |
| Classification : | Aluminium wrought alloys |
| Equivalent grades: | Go here |
Chemical composition in % for grade D16 ( Д16 )
| Fe | Si | Mn | Cr | Ti | Al | Cu | Mg | Zn | Impurity | - |
|---|---|---|---|---|---|---|---|---|---|---|
| max 0.5 | max 0.5 | 0.3 - 0.9 | max 0.1 | max 0.15 | 90.9 - 94.7 | 3.8 - 4.9 | 1.2 - 1.8 | max 0.25 | other, each 0.05; all 0.1 | Ti+Zr < 0.2 |
Mechanical Properties Under T=20°C for Grade D16 (Д16)
| Assortment | Dimension | Direct.sв (MPa) | ST (MPa) | d5 (%) | y (%) | KCU (kJ/m²) | Heat Treatment |
|---|---|---|---|---|---|---|---|
| - | (mm) | -MPa (MPa) | ST (MPa) | d5 (%) | y (%) | KCU (kJ/m²) | Heat Treatment |
| Pipe, GOST 18482-79 | - | 490-510 | 375-400 | 5-7 | - | - | - |
| Bar, GOST 21488-97 | - | 490-530 | 390-420 | 4-6 | - | - | Quenching and artificial aging |
| Bar, GOST 51834-2001 | - | 550-570 | 480-490 | 6 | - | - | Quenching and artificial aging |
| Band annealed, GOST 13726-97 | - | 245 | - | 10 | - | - | - |
| Profile annealed, GOST 8617-81 | - | 275 | - | 10 | - | - | - |
| Profile, GOST 8617-81 | - | 510-520 | 451-461 | 6 | - | - | - |
| Plate, GOST 17232-99 | - | 470-490 | 390-410 | 2-4 | - | - | Quenching and artificial aging |
Physical properties for grade D16 (D16)
| T | E 10⁻⁵ | a 10⁶ | I | r | C | R 10⁹ |
|---|---|---|---|---|---|---|
| Grade | (MPa) | 1/Grade | Watt/(m·Grade) | (kg/m³) | (J/(kg·Grade)) | (Ohm·m) |
| 20 | 0.74 | 2850 | ||||
| 100 | 23.2 |
Equivalent steels for grade D16 (D16)
Warning! Indicated both exact and nearest equivalents.
| USA | Germany (DIN, WNr) | Japan (JIS) | France (AFNOR) | England (BS) | European (EN) | Italy (UNI) | Poland (PN) | Czechia (CSN) | Austria (ONORM) | Switzerland (SNV) | Inter (ISO) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7075 A97075 AA7075 | 3.4365 AlZnMgCu1.5 | 7075 | 7075 A-Z5GU | 7075 L95 L96 | ENAW-7075 ENAW-AlZn5.5MgCu | AiZn5.8MgCuCr P-AiZn5.8MgCuCr | AlZn6Mg2Cu | 424222 | AlZn6Mg2Cu1.5 AlZnMgCu1.5 | AlZnMgCu | AlZn5.5MgCu AlZn6MgCu |
Applications of D16 Aluminium
Chemical Industry: D16 is widely used for manufacturing chemical industry equipment due to its high resistance to corrosion and strength.
Heavy Structural Frames: D16 aluminium is an excellent choice for heavy structural frames due to its high tensile strength and dimensional stability under stress.
Large-Scale Dimensional Assemblies: The alloy is also used in the production of large-scale assemblies that require high durability and precise mechanical properties.
Heat Treatment and Performance
D16 aluminium is often subjected to heat treatments such as hardening and ageing, which significantly enhance its tensile strength and fatigue resistance.
The alloy exhibits different characteristics depending on the temper, and its mechanical properties can be optimized through various heat treatment processes.
Why Choose D16 from Russian Metals?
Guaranteed Strength and Durability: Our D16 aluminium meets strict international standards for strength, fatigue resistance, and machinability.
Global Sourcing & Availability: As a leading supplier of D16 aluminium, we serve markets across India and globally, ensuring timely delivery and competitive pricing.
Custom Orders: We can supply D16 in various forms including bars, plates, and sheets, customized to meet your specific requirements.
Specification:
Mechanical properties:
- sB - Tensile strength, [MPa]
- sT - Yield stress, [MPa]
- d5 - Specific elongation at fracture, [%]
- y - Reduction of area, [%]
- KCU - Impact strength, [kJ / m²]
- HB - Brinell hardness, [MPa]
Physical properties:
- T - Test temperature, [Grade]
- E - Young modulus, [MPa]
- a - Coefficient of linear expansion (range 20° - T), [1/Grade]
- l - Thermal (heat) condition coefficient, [Watt/(m·Grade)]
- r - Density, [kg/m³]
- C - Specific heat (range 20° - T), [J/(kg·Grade)]
- R - Electrical resistance, [Ohm·m]
V65 ( B65 ) - Aluminium wrought alloys: chemical composition, mechanical and physical properties, hardness
Contact Us for D16 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.