AD35 (АД35)
AD35 Aluminium Alloy for Structural and Automotive Applications
AD35 aluminium is a heat-treatable, high-strength AD35 alloy widely used across engineering, structural, and fabrication industries. Known for its excellent corrosion resistance, weldability, and long-term durability, AD35 is the preferred material for construction, transportation, aerospace, and industrial manufacturing applications. At Russian Metals, we supply premium-grade AD35 aluminium sheets, rods, pipes, and custom extrusions at competitive prices — ideal for manufacturers and engineers looking for reliable AD35 alloy transducer materials or the latest AD35 aluminium price per kg in the market.
Overview of AD35 (АД35) Aluminium
AD35 Aluminium is a high-strength, heat-treatable aluminium alloy known for its excellent combination of mechanical performance, corrosion resistance, and durability. Designed to meet the needs of modern engineering and manufacturing industries, AD35 Aluminium delivers outstanding reliability in demanding environments where both strength and conductivity are essential. Lightweight yet robust, AD35 Aluminium offers excellent thermal and electrical conductivity, making it a preferred material in electrical engineering, automotive, aerospace, and construction sectors. The alloy’s superior machinability and weldability allow manufacturers to produce precise components with consistent quality and performance. In addition to its exceptional strength-to-weight ratio,
AD35 Aluminium exhibits long-term resistance to wear and environmental damage, ensuring durability in both indoor and outdoor applications. Whether used in structural frameworks, power transmission systems, or precision instruments, AD35 Aluminium provides the ideal balance of strength, conductivity, and cost-effectiveness.
Characteristics for grade AD35 (АД35)
| Grade : | AD35 (AD35) |
| Substitute: | 40ХФА, 35ХМ, 40ХН, 25ХГСА, 35ХГСА |
| Classification : | Alloy structural Aluminium |
Chemical composition in % for grade AD35 (АД35)
| C | Si | Mn | Ni | S | P | Cr | Cu |
|---|---|---|---|---|---|---|---|
| 0.28 - 0.34 | 0.9 - 1.2 | 0.8 - 1.1 | max 0.3 | max 0.025 | max 0.025 | 0.8 - 1.1 | max 0.3 |
Temperature of critical points for grade AD35 (АД35)
| Critical Point | Ac1 (°C) | Ac3 / Acm (°C) | Ar3 / Arcm (°C) | Ar1 (°C) |
|---|---|---|---|---|
| Values | 760 | 830 | 705 | 670 |
| Mn = 352 | ||||
Mechanical properties under T=20°C for grade AD35 (АД35)
| Assortment | Dimension (mm) | Direct. | σB (MPa) | σT (MPa) | δ5 (%) | ψ (%) | KCU (kJ/m²) | Heat treatment |
|---|---|---|---|---|---|---|---|---|
| Pipe, GOST 8731-87 | - | - | 686 | - | 11 | - | - | - |
| Pipe cooling strain, GOST 8733-74 | - | - | 491 | - | 18 | - | - | - |
| Bar, GOST 4543-71 | Ø 25 | - | 1080 | 830 | 10 | 45 | 490 | Quenching 880°C, oil, Drawing 540°C, water |
| Sheet trick, GOST 11269-76 | - | - | 490-740 | 20 | - | - | 490 | Normalizing |
Brinell Hardness for AD35 (АД35)
| Condition / Standard | HB 10 ⁻¹ (MPa) |
|---|---|
| Annealing, GOST 4543-71 | 229 MPa |
| Pipe GOST 8733-74 | 229 MPa |
| Bar GOST 10702-78 | 217 MPa |
| Normalizing, Sheet Trick GOST 11269-76 | 156 – 217 MPa |
Physical properties for grade AD35 (АД35)
| T | E (10⁵ MPa) | α (10⁶ 1/Grade) | λ (Watt/(m·Grade)) | ρ (kg/m³) | C (J/(kg·Grade)) | R (10⁹ Ohm·m) |
|---|---|---|---|---|---|---|
| 20 | 2.15 | - | 38 | 7850 | - | 210 |
| 100 | 2.11 | 11.7 | 38 | 7830 | 496 | - |
| 200 | 2.03 | 12.3 | 37 | 7800 | 504 | - |
| 300 | 1.96 | 12.9 | 37 | 7760 | 512 | - |
| 400 | 1.84 | 13.4 | 36 | 7730 | 533 | - |
| 500 | 1.73 | 13.7 | 34 | 7700 | 554 | - |
| 600 | 1.64 | 14 | 33 | 7670 | 584 | - |
| 700 | 1.43 | 14.3 | 31 | - | 622 | - |
| 800 | 1.25 | 12.9 | 30 | - | 693 | - |
Applications of AD35 Aluminium
Engineering & Industrial Equipment
Frames, machine parts, transducers
Aerospace
AD35 Aluminium is used in the production of aircraft components, including fuselages, wing structures, and landing gear. Its combination of strength-to-weight ratio and corrosion resistance makes it ideal for use in aviation.
Automotive
Used in automotive bodies, chassis, engine components, and heat exchangers, AD35 provides lightweight, high-strength solutions for the automotive industry, improving fuel efficiency and performance.
Marine
Ideal for marine applications, including ship hulls, propellers, and marine fasteners, AD35 aluminium’s corrosion resistance makes it perfect for use in saltwater environments.
Building and Construction
AD35 is used in the construction industry for window frames, doors, and roofing materials. Its lightweight and weather-resistant properties make it an excellent choice for exterior structures exposed to the elements.
Electrical Components
AD35 Aluminium is often used in electrical conductors, including wires and cables, as it provides excellent conductivity while maintaining lightweight properties and corrosion resistance.
Marine Equipment
Commonly used in marine environments for piping, valves, and fittings due to its ability to withstand saltwater corrosion, making it an essential material for offshore and underwater equipment.
Railway
In the railway industry, AD35 aluminium is used in the production of train bodies and components due to its strength, corrosion resistance, and lightweight nature, which improves fuel efficiency.
Military and Defense
Used in military vehicles, armor, and defense equipment, AD35’s strength and resilience to extreme conditions make it suitable for military applications where durability and performance are critical.
Types of delivery of grade AD35 (AD35)
B03 - Metal forming treatment. Forgings
B05 - Welding and cutting of metals, Soldering, riveting
B22 - Graded and shaped rolling
B23 - Sheets and Strips
B32 - Graded and shaped rolling
B33 - Sheets and Strips
B62 - aluminium pipes and connecting parts to them
B71 - Low-carbon aluminium wire
Specification :
Mechanical properties :
σB - Tensile strength [MPa]
σT - Yield stress [MPa]
δ5 - Specific elongation at fracture [%]
ψ - Reduction of area [%]
KCU - Impact strength [kJ/m²]
HB - Brinell hardness [MPa]
Physical properties :
T - Test temperature [Grade]
E - Young modulus [MPa]
α - Coefficient of linear expansion (20° - T) [1/Grade]
λ - Thermal (heat) condition coefficient [Watt/(m·Grade)]
ρ - Density [kg/m³]
C - Specific heat (range 20° - T) [J/(kg·Grade)]
R - Electrical resistance [Ohm·m]
Weldability :
Without limitations - Welding is done without heating and subsequent heat treating
Limited weldability - Welding is possible under heating up to 100-120°C and subsequent heat treating
Hard weldability - Quality welding needs additional operations: heating up to 200-300°C, with heat treating in annealing
AD35 (АД35) - Alloy structural Aluminium: chemical composition, mechanical and physical properties, hardness.