ThePipingMart Blog Grades AMS 5614 Stainless Steel – Composition, Properties, and Uses

AMS 5614 Stainless Steel – Composition, Properties, and Uses

AMS 5614

If you’re part of the aerospace, automotive or medical industries and constantly deal with high-stress environments, then you must know about AMS 5614. AMS 5614 is premium-grade stainless steel with excellent strength and corrosion resistance and can easily handle high-temperature environments. This article will deeply investigate this robust alloy and explore its properties, uses, and applications.

What is AMS 5614?

AMS 5614 (also known as 410 Stainless Steel) is a type of stainless steel highly sought after in various industries due to its excellent properties. Known for its high strength, toughness, and corrosion resistance, AMS 5614 can handle even the most extreme environments. This makes it a popular choice in the aerospace, military, and medical fields, where reliability and durability are paramount. Despite its impressive mechanical properties, AMS 5614 is also relatively easy to machine, making it an ideal material for manufacturing parts and components. Overall, AMS 5614 is a top choice for high-performance applications where reliability and strength are essential.

AMS 5614 Composition

AMS 5614 is a type of stainless steel classified under AMS (Aerospace Materials Specification) by the Society of Automotive Engineers (SAE). It is also known as a PH13-8 Mo grade stainless steel. This robust alloy has a unique chemical composition with 0.05% carbon, 0.5% manganese, and 7.5% molybdenum. The alloy’s chemical composition is carefully balanced to provide high toughness and corrosion resistance, even when subjected to high-stress environments.

Grade C Mn Si P S Cr Ni
AMS 5614 min.






AMS 5614 Physical Properties

AMS 5614 is a high-strength alloy known for its excellent physical properties. It has a density of 0.282 lb/in3, a thermal expansion coefficient of 6.3 µm/m°C, and a thermal conductivity of 21.2 W/m-K. It also has a specific heat of 460 J/kg-K and an electrical resistivity of 7.65 µΩ-m.

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100 °C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100 °C 0-315 °C 0-538 °C at 100 °C at 500 °C
AMS 5611 7800 200 9.9 11 11.5 24.9 28.7 460 570

AMS 5614 Mechanical Properties

AMS 5614 has an exceptional strength-to-weight ratio, making it ideal for high-stress applications. It has a yield strength of 1235 MPa, a tensile strength of 1445 MPa, and an elongation of 20%. The alloy also exhibits excellent resistance to stress corrosion cracking and fatigue, making it an ideal candidate for aerospace components.

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50 mm) Hardness Brinell (HB) Impact Charpy V (J)
Annealed * 480 min 275 min 16 min
204 1475 1005 11 400 30
316 1470 961 18 400 36
427 1340 920 18.5 405 #
538 985 730 16 321 #
593 870 675 20 255 39
650 300 270 29.5 225 80

AMS 5614 Uses

Because of its exceptional mechanical and physical properties, AMS 5614 is widely used in the aerospace, automotive, and medical industries. The alloy is commonly used to manufacture aircraft landing gears, missile components, helicopter rotors, and engine components. In the automotive industry, AMS 5614 is used to construct racing cars and components. The alloy’s corrosion and wear resistance properties are ideal for medical devices, including surgical instruments, implants, and medical equipment.

AMS 5614 Hardness

AMS 5614 has excellent hardness properties. It has a Rockwell hardness of C42 and a Brinell hardness of 363. These high hardness values make the alloy resistant to abrasion, wear, and corrosion.

AMS 5614 Heat Treatment

AMS 5614 can withstand various heat treatments without losing mechanical and physical properties. It can be solution annealed at 950-1050°C and air-cooled to achieve maximum hardness. AMS 5614 can also be aged between 475-540°C to improve strength and toughness.


AMS 5614 material is a unique and robust alloy widely used in high-stress applications. It has exceptional mechanical and physical properties, including excellent strength, corrosion resistance, and the ability to withstand high-temperature environments. Its excellent hardness and heat treatment properties make it a popular choice in the aerospace, automotive, and medical industries. If you’re looking for a high-performance alloy with exceptional mechanical and physical properties, then AMS 5614 is an excellent option.

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