Aluminium alloys are the unsung heroes of many modern industries, from aerospace to automotive, and even sports equipment. One of the standout variants is the 7050 aluminium alloy powder. In this comprehensive guide, we’ll explore everything you need to know about 7050 aluminium alloy powder, diving into its specifics, applications, and advantages.
Overview of 7050 Aluminium Alloy Powder
The 7050 aluminium alloy powder is a high-strength, heat-treatable alloy known for its superior mechanical properties and stress-corrosion resistance. Its excellent performance makes it a prime choice for critical structural applications.
Key Highlights
- High Strength: Known for its remarkable strength-to-weight ratio.
- Excellent Corrosion Resistance: Offers great resistance to stress-corrosion cracking.
- Heat Treatability: Can be heat-treated to enhance its mechanical properties.
- Applications: Widely used in aerospace, automotive, and high-performance sports equipment.
Types and Models of 7050 Aluminium Alloy Powder
When discussing 7050 aluminium alloy powder, it’s essential to understand that there are various models available, each tailored to specific applications and performance needs. Here’s a detailed look at some of the most notable ones:
| Model | Description | Applications |
|---|---|---|
| 7050-T7451 | High strength, stress-corrosion resistant, used in thick plates. | Aerospace components, bulkheads, fuselage frames. |
| 7050-T7651 | Enhanced toughness and damage tolerance. | Aircraft wing skins, military aircraft structures. |
| 7050-T7452 | High fracture toughness, used for forgings. | Landing gear, wing spars. |
| 7050-T73651 | Superior strength and toughness, used in extrusions. | Automotive suspension parts, structural frames. |
| 7050-T651 | Standard high-strength variant, versatile use. | General engineering, high-performance sports gear. |
| 7050-T76511 | Excellent fatigue resistance, used in precision machined parts. | Aerospace fittings, precision instruments. |
| 7050-T7351 | Good balance of strength and corrosion resistance. | Marine applications, high-stress machinery parts. |
| 7050-T76511 | High durability, used in high-pressure applications. | Hydraulic systems, pressure vessels. |
| 7050-T73511 | Optimized for welding and joining processes. | Welded structures, repair and maintenance tasks. |
| 7050-T74511 | Excellent for thick extrusions with high stability. | Industrial machinery, heavy-duty frames. |
Composition and Properties of 7050 Aluminium Alloy Powder
Understanding the composition of 7050 aluminium alloy powder is crucial as it dictates the material’s properties and suitability for various applications.
| Element | Percentage (%) |
|---|---|
| Aluminium | 87.3 – 90.0 |
| Zinc | 5.7 – 6.7 |
| Magnesium | 1.9 – 2.6 |
| Copper | 2.0 – 2.6 |
| Chromium | 0.04 – 0.12 |
| Titanium | 0.06 |
| Others | 0.15 |
These elements contribute to the alloy’s high strength, toughness, and resistance to stress-corrosion cracking.
Properties and Characteristics
| Property | Value |
|---|---|
| Density | 2.83 g/cm³ |
| Melting Point | 477 – 635 °C |
| Tensile Strength | 510 – 580 MPa |
| Yield Strength | 455 – 525 MPa |
| Elongation | 7 – 13% |
| Modulus of Elasticity | 71.7 GPa |
| Thermal Conductivity | 130 W/m-K |
| Electrical Conductivity | 33% IACS (International Annealed Copper Standard) |
Applications of 7050 Aluminium Alloy Powder
7050 aluminium alloy powder finds applications in a wide range of industries due to its superior properties. Here’s a breakdown of its applications:
| Industry | Application Examples |
|---|---|
| Aerospace | Aircraft structures, wing skins, fuselage frames, bulkheads. |
| Automotive | High-performance suspension parts, chassis components, engine parts. |
| Marine | Hulls, frames, structural components in boats and ships. |
| Sports Equipment | Bicycle frames, golf club shafts, ski poles, and other high-performance sports gear. |
| Industrial | Heavy-duty machinery, hydraulic systems, pressure vessels, and industrial frames. |
| Military | Armor plates, military vehicle components, structural parts for defense equipment. |
Specifications, Sizes, Grades, and Standards
For those looking to procure 7050 aluminium alloy powder, understanding the available specifications, sizes, grades, and standards is essential.
| Specification | Details |
|---|---|
| Sizes Available | Powder granularity from 10 microns to 500 microns. |
| Grades | 7050-T7451, 7050-T7651, 7050-T7452, 7050-T73651, 7050-T651, etc. |
| Standards | ASTM B209, AMS 4050, AMS 4342, AMS 4343, AMS 4345, AMS 4346. |
Suppliers and Pricing Details
When it comes to sourcing 7050 aluminium alloy powder, it’s crucial to choose reliable suppliers. Here’s a table with some suppliers and indicative pricing:
| Supplier | Region | Price Range (per kg) |
|---|---|---|
| Alcoa Corporation | USA | $50 – $75 |
| Constellium | Europe | €45 – €70 |
| Norsk Hydro | Global | $55 – $80 |
| Aleris | North America | $52 – $78 |
| Kobe Steel | Asia | ¥5000 – ¥7500 |
Pros and Cons of 7050 Aluminium Alloy Powder
To make an informed decision, it’s important to weigh the pros and cons of 7050 aluminium alloy powder.
| Pros | Cons |
|---|---|
| High strength-to-weight ratio. | Higher cost compared to some other aluminium alloys. |
| Excellent stress-corrosion resistance. | Requires precise heat treatment for optimal properties. |
| Good toughness and fatigue resistance. | Limited weldability compared to other aluminium alloys. |
| Versatile applications across industries. | Not as widely available as some lower-grade alloys. |
Advantages of 7050 Aluminium Alloy Powder
- High Strength: Perfect for applications requiring robust and durable materials.
- Corrosion Resistance: Ideal for use in environments prone to stress-corrosion.
- Heat Treatability: Can be enhanced further through heat treatment processes.
- Versatility: Used in a variety of critical industries, from aerospace to sports equipment.
Disadvantages of 7050 Aluminium Alloy Powder
- Cost: Generally more expensive than other aluminium alloys.
- Availability: Not as readily available as some other alloys.
- Weldability: More challenging to weld compared to other aluminium types.
FAQs
| Question | Answer |
|---|---|
| What is 7050 aluminium alloy powder? | It is a high-strength, heat-treatable aluminium alloy known for its excellent mechanical properties. |
| Where is 7050 aluminium alloy powder used? | It is used in aerospace, automotive, marine, sports equipment, and industrial applications. |
| What are the key properties of 7050 aluminium alloy? | High strength, excellent corrosion resistance, good toughness, and heat treatability. |
| Can 7050 aluminium alloy powder be welded? | While it can be welded, it requires specialized techniques and expertise. |
| How does 7050 compare to other aluminium alloys? | It offers superior strength and corrosion resistance but is generally more expensive. |
| Is 7050 aluminium alloy powder available globally? | Yes, but availability may vary depending on the supplier and region. |
| What are the common heat treatments for 7050 alloy? | Common treatments include T7451, T7651, and T651. |
| How does 7050 alloy perform under stress? | It performs exceptionally well, with high stress-corrosion resistance. |
| What industries benefit the most from 7050 alloy? | Aerospace, automotive, and high-performance sports equipment industries benefit greatly. |
| Is 7050 aluminium alloy powder recyclable? | Yes, like most aluminium products, it is recyclable. |
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