AMS4116 is an aluminium alloy used in many applications, such as aerospace, defence, and transportation. Its properties make it a popular choice in manufacturing, especially in creating lightweight structures. In this blog post, we’ll dive into the composition, physical and mechanical properties, and uses of AMS 4116. We’ll also cover hardness and heat treatment so you can understand this versatile alloy’s complete picture.
What is AMS 4116?
AMS 4116 (also known as 6061 Aluminum Alloy) is a specification for aluminum alloy sheets and plates. It defines the chemical composition, mechanical properties, and heat treatment requirements for an aluminium alloy commonly used in aerospace. The specification also includes guidelines for the dimensions and tolerances of the sheet and plate and testing and inspection procedures. AMS4116 is an essential standard for manufacturers and suppliers of aerospace components, ensuring that the aluminum alloy used in their products meets the required quality standards. By adhering to the AMS4116 specification, aerospace companies can secure their products are safe and reliable.
What form is AMS 4116 Available at Piping Mart?
- Pipes
- Tubing
- Sheet Plates
- Pipe Fittings
- Forged Fittings
AMS 4116 Composition
AMS 4116 is a high-strength aluminium alloy that contains copper, magnesium, and zinc. These elements are added precisely to create a material with excellent mechanical properties. The alloy’s composition also includes small amounts of other metals like iron, silicon, and manganese. AMS 4116 falls under the 7xxx series of aluminum alloys known for their high strength and corrosion resistance.
| Element | Content (%) |
|---|---|
| Aluminium / Aluminum, Al | 97.9 |
| Magnesium, Mg | 1 |
| Silicon, Si | 0.60 |
| Copper, Cu | 0.28 |
| Chromium, Cr | 0.20 |
AMS 4116 Physical Properties
AMS 4116 boasts excellent physical properties, making it a popular choice in the manufacturing industry. It has a density of 2.78 g/cm³ and a melting point of 595°C. The alloy is also highly corrosion-resistant, making it an ideal choice for harsh environments. With a thermal conductivity of 125 W/mK and an electrical conductivity of 28% IACS, AMS 4116 can withstand high temperatures and has good electrical conductivity.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 2.7 g/cm3 | 0.0975 lb/in3 |
| Melting point | 588°C | 1090°F |
AMS 4116 Mechanical Properties
The mechanical properties of AMS 4116 are impressive, making it an excellent choice for high-stress applications. Its ultimate tensile strength ranges from 480 MPa to 520 MPa, yielding 435 MPa to 475 MPa. It also has a good elongation of 4% to 5%, making it ideal for use in ductility applications. The alloy has a fatigue strength of 140 MPa to 280 MPa, which shows its ability to withstand repeated loading.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 310 MPa | 45000 psi |
| Yield strength | 276 MPa | 40000 psi |
| Shear strength | 207 MPa | 30000 psi |
| Fatigue strength | 96.5 MPa | 14000 psi |
| Elastic modulus | 68.9 GPa | 10000 ksi |
| Poisson’s ratio | 0.33 | 0.33 |
| Elongation | 12-17% | 12-17% |
| Hardness, Brinell | 95 | 95 |
AMS 4116 Equivalents
| AMS 4117 | ASTM B247 | ASTM B429 | DIN 3.3211 | MIL G-18014 | QQ A-200/8 |
| ASTM B209 | ASTM B307 | ASTM B483 | MIL A-12545 | MIL G-18015 | QQ A-225/8 |
| ASTM B210 | ASTM B313 | ASTM B547 | MIL A-22771 | MIL P-25995 | QQ A-250/11 |
| ASTM B211 | ASTM B316 | ASTM B548 | MIL F-17132A | MIL T-7081 | QQ A-367 |
| ASTM B221 | ASTM B345 | ASTM B632 | MIL F-18280 | MIL W-23351 | QQ A-430 |
| ASTM B234 | ASTM B361 | ASTM F467 | MIL F-39000 | MIL W-85 | QQ WW-T-700/6 |
| ASTM B241 | ASTM B404 | ASTM F468 | MIL F-3922 | QQ A-200/16 | SAE J454 |
AMS 4116 Uses
AMS 4116 has several uses in various industries, particularly aerospace and defence. Its excellent mechanical and physical properties are ideal for aircraft structures and missile components. The alloy is also used in marine structures, oil and gas components, and sports equipment. AMS 4116’s high strength and light weight make it an ideal choice for applications requiring high performance but also lightweight.
AMS 4116 Hardness
AMS 4116 has a Brinell hardness value ranging from 85 to 95. This means that the alloy can withstand high stress and remain durable, making it an ideal choice in applications requiring hardness. However, the particular hardness of AMS 4116 depends on the heat treatment it undergoes.
AMS 4116 Heat Treatment
Heat treatment is a critical process in controlling the mechanical properties of AMS 4116. The alloy can undergo solution heat treatment or ageing treatment. Solution heat treatment involves heating the material to a specific temperature for a set amount of time and then cooling it rapidly to prevent the formation of intermetallic compounds. Ageing treatment, however, involves heating the material to a specific temperature and holding it for a set amount of time to encourage the formation of intermetallic compounds. This treatment significantly improves the strength and hardness of AMS 4116.
Conclusion:
AMS 4116 material is a high-strength aluminium alloy with excellent physical and mechanical properties. Its unique composition and properties make it ideal for several applications, particularly aerospace and defence. With its impressive strength and low weight, it’s no surprise that it’s a popular choice in manufacturing. Its hardness can also be controlled through heat treatment, making it versatile and customizable for specific applications. By understanding the properties and uses of AMS 4116, you can take advantage of its impressive characteristics and improve the quality of your manufacturing work.
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.
