About Alloy
Custom 465 is a martensitic, premium-melted stainless steel alloy with a high concentration of nickel and chromium. It is known to have improved tensile strength and fracture toughness, which makes it an excellent choice for aerospace components that require these properties.
Alloy 465 is age-hardenable and has improved fabricability when compared to other alloys in this category. On top of that, it has excellent resistance to stress corrosion cracking. If needed, it can achieve exceptional strength, toughness and stress corrosion cracking by aging it at a higher temperature for longer, or to the H1000 condition (more on that in the Heat Treatment section).
Product Form
AMS 5936: Bar/Forging/Wire
Chemical Composition
Element |
min |
max |
Carbon, C |
— |
0.02 |
Manganese, Mn |
— |
0.25 |
Silicon, Si |
— |
0.25 |
Sulfur, S |
— |
0.010 |
Phosphorus, P |
— |
0.015 |
Chromium, Cr |
11 |
12.50 |
Nitrogen, N |
— |
0.01 |
Nickel, Ni |
10.75 |
11.25 |
Molybdenum, Mo |
0.75 |
1.25 |
Titanium, Ti |
1.50 |
1.80 |
Iron, Fe |
— |
*Balance |
Mechanical Properties
| Condition | Specimen Orientation | Tensile Strength ksi | Yield Strength at 0.2% Offset ksi | Elongation in 2 Inches or 4D % | Reduction of Area % |
| H950 | Longitudinal | 240 | 220 | 10 | 45 |
| Transverse | 240 | 220 | 8 | 35 | |
| H1000 | Longitudinal | 220 | 200 | 10 | 50 |
| Transverse | 220 | 200 | 10 | 40 |
Application
Custom 465, also known as UNS S46500, is a type of stainless steel that offers excellent resistance to both high temperatures and corrosion. It's a high-performance material, and its applications span various industries due to its unique properties. Here are some key applications:
Aerospace Industry
· Turbine Components: Its high-temperature strength makes it suitable for components like turbine blades and vanes.
· Structural Parts: Used in critical aerospace components where strength and heat resistance are crucial.
Chemical Processing
· Reaction Vessels: Custom 465's resistance to corrosive environments makes it ideal for use in chemical processing reactors.
· Pumps and Valves: Often used in equipment exposed to harsh chemicals and high temperatures.
Oil and Gas
· Drill Bits: Its strength and durability are advantageous for drill bits and other downhole equipment.
· High-Pressure Equipment: Utilized in components that need to withstand extreme conditions in oil and gas extraction.
Power Generation
· Turbine Shafts: Employed in the power generation sector, especially in turbines where high strength at elevated temperatures is required.
· Boiler Components: Used in parts of boilers and other high-temperature machinery.
Automotive
· Performance Parts: Applied in high-performance automotive components that require both heat resistance and strength.
Marine Applications
· Propeller Shafts: Its resistance to seawater corrosion makes it suitable for marine environments, such as in propeller shafts.
Custom 465 is valued for its combination of high tensile strength, fatigue resistance, and thermal stability, making it a versatile material in demanding applications.
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