AMS 5562 Stainless Steel – Composition, Properties, and Uses
AMS 5562 is a popular specification that defines seamless tubing made of corrosion-resistant steel alloy. Produced in compliance with Aerospace Material Specification (AMS), this tubing is used in various industries for its excellent physical and mechanical properties. If you want to know more about AMS 5562, we have created this comprehensive guide.
What is AMS 5562?
AMS 5562 (also known as Stainless Steel – Grade 21-6-9) is a type of tubing used in high-temperature and high-pressure applications. It is made from a nickel-chromium alloy, giving it exceptional strength and resistance to corrosion and oxidation. This tubing is commonly used in industries such as aerospace and defence, where reliability and durability are of utmost importance. The strict specifications outlined in the AMS5562 standard ensure that this tubing meets the highest standards for quality and performance. If you’re looking for a tubing option that can withstand extreme conditions, AMS5562 may be exactly what you need.
AMS 5562 Composition
AMS 5562 sheet is made with a combination of nickel, chromium, and iron with small amounts of molybdenum and titanium. This composition creates a highly resistant material to corrosion and oxidation, making it ideal for use in harsh environments. Additionally, AMS 5562 is formulated with low carbon and high silicon content, which enhances its weldability.
| Element | Content (%) |
|---|---|
| Iron, Fe | 64 |
| Chromium, Cr | 20 |
| Manganese, Mn | 9 |
| Nickel, Ni | 6 |
| Silicon, Si | 1 |
| Nitrogen, N | 0.23 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.060 |
| Sulfur, S | 0.030 |
AMS 5562 Physical Properties
The tubing produced under AMS 5562 is known for its high strength, good ductility, and excellent durability. With a density of 8.05 g/cm³, this material is relatively lightweight, making it perfect for aerospace applications. Moreover, it has a melting point of 1400-1440°C, making it suitable for high-temperature applications.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.83 g/cm3 | 0.283 lb/in³ |
AMS 5562 Mechanical Properties
AMS 5562 plate has excellent mechanical properties, including high tensile strength, good impact resistance, and low thermal expansion. Its high tensile strength of up to 1400 MPa makes it suitable for high-stress applications. Its low thermal expansion coefficient also means it can withstand sudden temperature changes without deformation.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 883 MPa | 128000 psi |
| Tensile strength, yield (@0.2%) | 745 MPa | 108000 psi |
| Elongation at break (in 50 mm) | 56% | 56% |
| Modulus of elasticity (typical for stainless steel) | 200 GPa | 29000 ksi |
| Machinability (based on 100 machinability for AISI 1212 steel) | 30 | 30 |
AMS 5562 Thermal Properties
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@ 25-95°C/77-203°F) | 16.7 µm/m°C | 9.28 µin/in°F |
| Thermal conductivity (@-180°C/-292°C) | 7.80 W/mK | 54.1 BTU in/hr.ft².°F |
AMS 5562 Equivalent
- AMS 5561
- AMS 5656
- Stainless Steel Grade 21-6-9
- UNS S21900
- ASTM A269 (XM-10)
- ASTM A276 (XM-10)
- ASTM A312 (XM-10)
- ASTM A314 (XM-10)
- ASTM A412 (XM-10)
- ASTM A479 (XM-10)
- ASTM A580 (XM-10)
- ASTM A813 (XM-10)
- ASTM A814 (XM-10)
AMS 5562 Uses
AMS 5562 is used in various industries, including aerospace, chemical processing, and petrochemicals. In aerospace, this material is used to manufacture engine parts, exhaust systems, and heat exchangers. Its corrosion-resistant properties make it ideal for chemical processing and petrochemicals, which manufacture heat exchangers, pipelines, and storage tanks.
AMS 5562 Hardness
AMS 5562 tubing is known for its excellent hardness and durability. Its Rockwell hardness can range from B88 to C32, depending on the heat treatment applied. This makes it a popular choice for applications that require high hardness and wear resistance.
AMS 5562 Heat Treatment
AMS 5562 tubing can be heat-treated to enhance its mechanical properties further. Heat treatment involves heating the material to a specific temperature and cooling it down rapidly to achieve the desired properties. Some of the heat treatment methods used on this tubing include stress relieving, annealing, and solution annealing.
Conclusion:
AMS 5562 material is a high-quality steel alloy tubing used in various industries for its excellent physical and mechanical properties. Its excellent corrosion resistance, high tensile strength, and good ductility make it a popular choice for aerospace, chemical processing, and petrochemical applications. Furthermore, its excellent hardness and durability make it suitable for applications requiring high wear resistance. Understanding the properties and uses of AMS 5562 is important if you plan to use it in your specific application.