Have you ever heard of AMS 4048? If not, then this blog is for you. AMS 4048 is a type of aluminium alloy widely used in the aerospace industry due to its exceptional strength, durability, and lightweight properties. In this blog post, we will delve deeper into the properties of AMS4048, including its composition, physical and mechanical properties, uses, hardness, and heat treatment processes.
What is AMS 4048?
If you need to become more familiar with AMS 4048 (Aluminium Alloy 7075), don’t worry, you’re not alone. However, this term may be quite typical if you work in the aerospace industry. AMS4048 is a specific type of aluminium alloy sheet that is commonly used in the manufacturing of aircraft structures. AMS 4048 has a long history of being used in aviation and has earned a reputation for its high strength and excellent durability. But AMS 4048 isn’t just any old aluminium alloy sheet. It has undergone rigorous testing and meets strict industry standards for quality and performance. So if you want to build a high-quality, long-lasting aircraft structure, AMS 4048 may be the material you need.
What Form Is AMS 4048 Available at Piping Mart?
- Pipes
- Tubing
AMS 4048 Composition
The chemical composition of AMS 4048 includes magnesium, silicon, copper, and zinc, which together form a lightweight and high-strength alloy. It also contains trace amounts of iron, manganese, and chromium, contributing to its resistance and durability.
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Aluminum, Al | 87.1 – 91.4 % | 87.1 – 91.4 % | As remainder |
| Chromium, Cr | 0.18 – 0.28 % | 0.18 – 0.28 % | |
| Copper, Cu | 1.2 – 2.0 % | 1.2 – 2.0 % | |
| Iron, Fe | <= 0.50 % | <= 0.50 % | |
| Magnesium, Mg | 2.1 – 2.9 % | 2.1 – 2.9 % | |
| Manganese, Mn | <= 0.30 % | <= 0.30 % | |
| Other, each | <= 0.05 % | <= 0.05 % | |
| Other, total | <= 0.15 % | <= 0.15 % | |
| Silicon, Si | <= 0.40 % | <= 0.40 % | |
| Titanium, Ti | <= 0.20 % | <= 0.20 % | |
| Zinc, Zn | 5.1 – 6.1 % | 5.1 – 6.1 % |
AMS 4048 Physical Properties
AMS 4048 has excellent physical properties due to its unique composition, lightweight nature, corrosion resistance, and outstanding electrical conductivity. Its density is 2.78 g/cm3, making it one of the lightest aluminium alloys.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.81 g/cc | 0.102 lb/in³ | AA; Typical |
AMS 4048 Mechanical Properties
AMS 4048 boasts superior mechanical properties, high tensile strength of 408 Mpa, good fatigue strength, and excellent fracture toughness. Its elastic modulus of 71 Gpa also makes it suitable for a wide range of applications in the aerospace industry.
AMS 4048 Thermal Properties
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 21.6 µm/m-°C @Temperature -50.0 – 20.0 °C |
12.0 µin/in-°F @Temperature -58.0 – 68.0 °F |
|
| 23.4 µm/m-°C @Temperature 20.0 – 100 °C |
13.0 µin/in-°F @Temperature 68.0 – 212 °F |
||
| 23.6 µm/m-°C @Temperature 20.0 – 100 °C |
13.1 µin/in-°F @Temperature 68.0 – 212 °F |
AA; Typical; average over range | |
| 24.3 µm/m-°C @Temperature 20.0 – 200 °C |
13.5 µin/in-°F @Temperature 68.0 – 392 °F |
||
| 25.2 µm/m-°C @Temperature 20.0 – 300 °C |
14.0 µin/in-°F @Temperature 68.0 – 572 °F |
||
| Specific Heat Capacity | 0.960 J/g-°C | 0.229 BTU/lb-°F | |
| Thermal Conductivity | 130 W/m-K | 900 BTU-in/hr-ft²-°F | AA; Typical at 77°F |
| Melting Point | 477 – 635.0 °C | 890 – 1175 °F | AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Homogenization may raise the eutectic melting temperature by 20-40°F but usually does not eliminate it. |
| Solidus | 477 °C | 890 °F | AA; Typical |
| Liquidus | 635.0 °C | 1175 °F | AA; Typical |
AMS 4048 Uses
Due to its superior properties, AMS 4048 is commonly used in the aerospace industry, where it is used to manufacture aircraft components, such as fuselage panels, engine mounts, landing gear, and wing structures. Its lightweight nature also makes it ideal for the automotive sector, where it is used to produce high-performance car components.
AMS 4048 Hardness
AMS 4048 has a hardness of approximately 110 HB, making it a suitable material for applications that require excellent wear resistance, such as cutting tools, gears, and bearings.
AMS 4048 Heat treatment
AMS 4048 can be heat-treated to increase its strength and wear resistance, with several heat treatment processes available, including solution annealing and precipitation hardening.
Conclusion
In conclusion, AMS 4048 material is a valuable and versatile aluminium alloy with numerous applications in the aerospace and automotive industries. Its unique strength, durability, and lightweight properties make it an excellent material for manufacturing aircraft and automobile components. Thus, if you are involved in any of these industries and seeking to enhance your products’ strength, durability, and reliability, then AMS 4048 is worth considering.
A passionate metal industry expert and blogger. With over 5 years of experience in the field, Palak brings a wealth of knowledge and insight to her writing. Whether discussing the latest trends in the metal industry or sharing tips, she is dedicated to helping others succeed in the metal industry.
