When choosing the right material for your project, it’s important to deeply understand the options available. One such option is AMS 4175, a popular aluminium alloy used primarily in aerospace. But what exactly is AMS 4175, and what are its properties and uses? In this blog post, we’ll look closely at AMS 4175.
What is AMS 4175?
AMS 4175 (also known as 7175 Aluminum Alloy) is a document that sets the standard for the chemical composition and mechanical properties of aluminium alloys used in the aerospace industry. This document is crucial in ensuring the safety and durability of aircraft parts and components. It outlines specific requirements for the aluminium alloys used, such as their strength and resistance to corrosion, to ensure they meet the high standards required for aviation. Any manufacturer or supplier in the industry must comply with the guidelines outlined in AMS 4175 to ensure the safety of passengers and crew on board all aircraft. This document is a critical tool in the aerospace industry and is monitored closely to ensure compliance and safety.
AMS 4175 Composition
AMS 4175 is an aluminium alloy comprising copper, magnesium, zinc, and trace amounts of other metals. The exact composition can vary depending on the manufacturer, but it generally has a copper content of around 1.5%, magnesium content of around 2.5%, and zinc content of around 6.5%.
AMS 4175 Physical Properties
AMS 4175 has an excellent strength-to-weight ratio, making it a popular choice in aerospace. It is a high-strength alloy with good formability and excellent corrosion resistance. It can also be easily welded and machined. The density of AMS 4175 is approximately 2.78 g/cm3.
|Density||2.6-2.8 g/cm³||0.0939-0.1011 lb/in³|
AMS 4175 Mechanical Properties
Besides its impressive physical properties, AMS 4175 also has excellent mechanical properties. It has a relatively high tensile strength of around 480 MPa and a yield strength of around 430 MPa. The elongation at break is approximately 8%.
|Elastic modulus||70-80 Gpa||10152-11603 ksi|
AMS 4175 Uses
Due to its high strength-to-weight ratio and excellent mechanical and physical properties, AMS 4175 is primarily used in aerospace. It is commonly used to construct aircraft structures, such as fuselages, wings, and landing gear. AMS 4175 is also sometimes used in producing marine equipment, such as boats, because of its excellent corrosion resistance.
AMS 4175 Hardness
The hardness of AMS 4175 can vary depending on the heat treatment. In its annealed state, it has a hardness of around 80 HB. However, the hardness can increase to about 150 HB after heat treatment.
AMS 4175 Heat treatment
AMS 4175 can be easily heat-treated, significantly increasing its strength and hardness. It can be heat-treated using various methods, including solution heat treatment, quenching, and ageing.
AMS 4175 is an aluminium alloy popular in the aerospace industry due to its high strength-to-weight ratio, excellent mechanical and physical properties, and corrosion resistance. It is commonly used to construct aircraft structures, such as fuselages, wings, and landing gear. AMS 4175 can also be used in marine equipment due to its corrosion resistance. Depending on the heat treatment applied, AMS 4175 can have varying levels of hardness while still maintaining its excellent properties. In summary, AMS 4175 is a versatile material perfect for demanding applications where strength and weight are crucial.
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