ThePipingMart Blog Grades AMS 5853 Stainless Steel Alloy – Composition, Properties, and Uses

AMS 5853 Stainless Steel Alloy – Composition, Properties, and Uses

AMS 5853

AMS 5853 is a high-performance alloy suitable for harsh environments that require excellent corrosion resistance, strength, and toughness. This blog post will provide comprehensive information about AMS 5853, including its composition, physical properties, mechanical properties, hardness, heat treatment, and various applications. So keep reading to know more about this high-grade alloy!

What is AMS 5853?

AMS 5853 (also known as Stainless Steel A286) is a specification created by the Society of Automotive Engineers (SAE) that outlines the requirements for nickel alloy bars and forgings used in high-temperature applications. This specification ensures the top-notch quality of aircraft and gas turbine engine components, especially those exposed to extreme temperatures. Manufacturers and engineers rely on AMS5853 to guarantee nickel alloy products’ mechanical properties, chemical compositions, and heat treatment while optimizing their performance and durability. Overall, AMS5853 demonstrates the importance of standardization and precision in the aerospace and aviation industries, where safety and reliability are paramount.

AMS 5853 Composition

AMS 5853 material is an iron-chromium-nickel-molybdenum alloy with high strength, excellent corrosion resistance, and toughness. The alloy’s chemical composition consists of 20-22% chromium, 9-10.5% nickel, 1.5-2.5% molybdenum, 0.8-1.4% titanium, and a maximum of 0.08% carbon. The alloy also contains silicon, manganese, sulfur, and phosphorus traces.

Element Content (%)
Iron, Fe 54
Nickel, Ni 25.5
Chromium, Cr 14.8
Titanium, Ti 2.13
Molybdenum, Mo 1.30
Manganese, Mn 1.0
Silicon, Si 0.50
Vanadium, V 0.30
Aluminum, Al 0.18
Carbon, C 0.040
Phosphorous, P 0.020
Sulfur, S 0.015
Boron, B 0.0060

AMS 5853 Physical Properties

AMS 5853 sheet has excellent physical properties that make it ideal for aerospace, defence, and oil & gas applications. The alloy has a high melting point of 1371-1416°C and a density of about 7.8 g/cm³. Its coefficient of thermal expansion is 12.1 x 10^-6/°C, and its electrical resistivity at room temperature is 11.2 μΩ-cm.

Properties Metric Imperial
Density 7.92 g/cm3 0.286 lb/in3
Melting point 1399°C 2550°F

AMS 5853 Mechanical Properties

AMS 5853 bars has exceptional mechanical properties, making it one of the most sought-after alloys in various industries. The alloy exhibits high strength, toughness, and flexibility, making it suitable for critical components such as shafts, gears, and fasteners. Its ultimate tensile strength is 150 ksi, and the yield strength is 135 ksi. The alloy’s elongation at break is 12%, while its reduction in area is 50%.

Properties Metric Imperial
Tensile strength 1035 MPa 150100 psi
Yield strength (@strain 0.200%) 759 MPa 110000 psi
Elongation at break 25% 25%
Reduction of area 40% 40%
Hardness, Brinell (estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball) 304 304
Hardness, Knoop (estimated from Rockwell C value) 330 330
Hardness, Rockwell C 32 32
Hardness, Vickers (estimated from Rockwell C value) 318 318

AMS 5853 Equivalent

AISI 660 AMS 5525 AMS 5726 AMS 5732 AMS 5734
UNS S66286 AISI 662 AMS 5737 AMS 5804 AMS 5895
AMS 5731 AMS 5805 AMS 5858 DIN 1.4943 SPS M250
DIN 1.4944 GE B50T81 GE B50T12 GE B50T1181 ASTM A453 Grade 660
ASTM A638 Grade 660 stainless steel A-286

AMS 5853 Uses

AMS 5853 sheets is primarily used in aerospace, defence, and oil & gas industries. It’s used to manufacture critical components that require high strength, excellent corrosion resistance, and wear resistance. The alloy applies to turbine blades, shafts, fasteners, gears, and valves. Because of its exceptional properties, AMS 5853 is also used in medical devices, chemical processing, and marine environments.

AMS 5853 Hardness

AMS 5853 has excellent hardness properties, making it suitable for harsh environments requiring extreme wear and abrasion resistance. The alloy has a Rockwell hardness of 28-32 HRc, harder than most steel and alloys.

AMS 5853 Heat Treatment

AMS 5853 is heat-treatable, which means its mechanical properties can be enhanced by controlled heating and cooling. The recommended heat treatment for this alloy is annealing, quenching, and tempering. Annealing is done at 1900-2000°F, followed by rapid cooling in water or oil. Quenching is done at 1850-1950°F, followed by air cooling, then tempering at 1100-1300°F.

Conclusion:

AMS 5853 material is a high-performance alloy with outstanding mechanical and physical properties, making it an excellent choice for harsh environments that require corrosion, wear, and abrasion resistance. The alloy’s chemical composition, physical properties, mechanical properties, hardness, and heat treatment make it ideal for aerospace, defence, and oil & gas applications. Its diverse applications include medical devices, chemical processing, and marine environments. So if you’re looking for an alloy that can withstand extreme environments and maintain excellent properties, AMS 5853 is worth consideration.

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