AMS 6425 is a low alloy steel bar with excellent mechanical properties and high strength. It is low-carbon steel commonly used for welding and forgings and can be readily machined. Its versatility makes it a widely utilized material in various industries. In this blog post, we will discuss the composition, physical and mechanical properties, along with the applications of AMS 6425.
What is AMS 6425
AMS6425 metal is a heat-treatable, low alloy steel with high strength and excellent toughness properties. This metal is commonly used in aerospace applications because it can withstand extreme conditions such as high temperatures and pressure. In addition, AMS 6425 metal is also resistant to corrosion, making it a popular choice in marine and nuclear industries. Its unique properties make it a sought-after material for creating high-performance parts such as gears, bolts, and shafts. Overall, AMS6425 metal is a versatile and reliable material that has proven essential in various industries.
AMS 6425 Composition
AMS 6425 comprises various elements that contribute to its unique properties. Its composition typically includes carbon, manganese, sulfur, phosphorus, silicon, nickel, chromium, and molybdenum. The carbon content is typically around 0.20%, manganese at 1.20%, chromium at 0.45%, nickel at 0.40%, and molybdenum at 0.15%.
AMS 6425 Physical Properties
AMS 6425 has impressive physical properties, making it a widely used material in various industries. It has a density of 7.85 g/cm³, a thermal conductivity of 21 W/mK, and a coefficient of thermal expansion of 11.7×10⁶ m/mK. Its specific heat capacity is about 477 J/kgK, and its electrical conductivity is 35% of copper.
AMS 6425 Mechanical Properties
Regarding mechanical properties, AMS 6425 has a tensile strength of up to 1670 MPa, yield strength of 1440 MPa, and an elongation capacity of up to 8%. It has a hardness of 50 HRC and an impact toughness of 30 ft-lb at -54°C. This combination of mechanical properties makes it a perfect material for various applications.
AMS 6425 Uses
AMS 6425 is commonly used in various industries, such as aerospace, defence, and automotive. It is widely used in manufacturing parts that require high strength and toughness, such as gears, axles, and shafts. It is also used in applications where heat and corrosion resistance are required.
AMS 6425 Hardness
AMS 6425’s hardness can be increased through heat treatment. This process involves heating the material to a high temperature and then quenching it in oil or water. The result is a significantly improved hardness, making the material more durable and suitable for demanding applications.
AMS 6425 Heat Treatment
AMS 6425 can be heat-treated in various ways to achieve different properties. One common heat treatment method is quenching and tempering. This process involves heating the material to a specific temperature, quenching it in oil or water, and then tempering it at a lower temperature. The resulting material has an excellent combination of high strength and impact toughness.
Conclusion:
AMS 6425 is a versatile, low alloy steel with impressive physical and mechanical properties. Its unique composition makes it ideal for various industries, including aerospace, defence, and automotive. The hardness of AMS 6425 is increased through heat treatment, making it suitable for demanding applications. With its exceptional strength, toughness, and heat resistance, AMS 6425 is an excellent choice for manufacturing parts requiring high-performance characteristics.
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