What is AMS4911
What is AMS4911?
AMS4911 is a standard specification for titanium alloy sheet, strip, and plate. This specification covers 6AL-4V titanium alloy in the form of sheet, strip, and plate. It is used in applications requiring moderate strength and good corrosion resistance.
AMS4911 is widely used in the aerospace and medical industries due to its excellent combination of high strength, low density, and corrosion resistance. Its unique properties make it well-suited for a variety of applications, such as aircraft components, medical equipment, and chemical processing.
AMS 4911 vs AMS 4928
AMS 4928 is another specification for titanium alloy sheet, strip, and plate. The main difference between AMS 4911 and AMS 4928 is in their chemical compositions. AMS 4911 is a 6AL-4V titanium alloy, while AMS 4928 is a 6AL-4V ELI (Extra Low Interstitial) titanium alloy.
AMS 4911 Hardness
The hardness of AMS 4911 depends on several factors, such as the thickness of the sheet, strip, or plate, and the heat treatment it has undergone. Generally, AMS 4911 has a hardness range of 36 to 42 HRC (Rockwell C scale).
AMS 4911 Equivalent
AMS 4911 is equivalent to several other standards/specifications, including ASTM B265, AMS 4905, and AMS 4907. These specifications cover the same titanium alloy material in various forms, such as sheet, strip, and plate.
What are the Properties of AMS 4911?
AMS 4911 has several unique properties that make it suitable for various applications. Some of these properties include:
- High strength-to-weight ratio
- Excellent corrosion resistance
- Good weldability
- Good fatigue resistance
- Good creep resistance
- Low thermal conductivity
What Does AMS Stand for in Steel?
AMS stands for Aerospace Material Specification. It is a set of standards developed by the aerospace industry to ensure that materials used in aircraft and spacecraft meet specific quality and performance requirements.
What is the Tensile Strength of AMS 4911?
The tensile strength of AMS 4911 depends on several factors, such as the thickness of the sheet, strip, or plate, and the heat treatment it has undergone. Generally, AMS 4911 has a tensile strength range of 110 to 150 ksi (758 to 1034 MPa).
What Material is AMS 4911?
AMS 4911 is a titanium alloy material. Its composition consists of 6% aluminum, 4% vanadium, and the remainder titanium.
What Grade is AMS 4911?
AMS 4911 is a grade 5 titanium alloy material, also known as Ti-6Al-4V.
AMS 4911 Thickness Tolerance
AMS 4911 has a specified thickness tolerance depending on the thickness of the sheet, strip, or plate. For example, the thickness tolerance for AMS 4911 sheet is typically ±0.005 inches (0.127 mm) for thicknesses up to 0.025 inches (0.635 mm), and ±2% for thicknesses greater than 0.025 inches (0.635 mm).
Conclusion
AMS4911 is a standard specification for titanium alloy sheet, strip, and plate, widely used in the aerospace and medical industries due to its excellent combination of high strength, low density, and corrosion resistance. Its unique properties make it well-suited for a variety of applications. Understanding the properties, equivalent standards, and thickness tolerance of AMS4911 can help ensure its proper use in different applications.
References:
1. ASTM B265 / B265M - 20a Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate. ASTM International.
2. AMS4911 Titanium Sheet, Strip, and Plate, 6AL - 4V, Annealed. SAE International.
3. Boyer, R.R., Briggs, R.D., Collins, W.K., & Welsch, G. Titanium: A Technical Guide. ASM International, 1994.
4. ASTM E140 - 20 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, and Scleroscope Hardness. ASTM International.
5. ASTM E8 / E8M - 16a Standard Test Methods for Tension Testing of Metallic Materials. ASTM International.
6. AMS 4928 Titanium Sheet, Strip, and Plate, 6AL - 4V, Extra Low Interstitial (ELI), Annealed. SAE International.
