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465 Stainless Steel (Carpenter Custom 465) – Ultra High Strength and Toughness

Introduction to 465 Stainless Steel (Carpenter Custom 465)

465 Stainless Steel, also known as Carpenter Custom 465, is a martensitic age-hardenable stainless steel that offers exceptional ultra-high strength, toughness, and corrosion resistance. Designed to perform under extreme conditions, this alloy is widely used in industries such as aerospace, defense, and medical applications where high strength and toughness are critical. With its superior mechanical properties, Carpenter Custom 465 is well-suited for components requiring long-term reliability and durability.

Ultra-High Strength and Toughness

465 Stainless Steel achieves its ultra-high strength and toughness through a simple age-hardening process. This makes it capable of handling extreme stress without losing ductility, which is vital for components in high-performance applications. The alloy can be heat treated to reach yield strengths as high as 250 ksi, making it stronger than many competing materials. Its excellent balance between strength and toughness ensures it can withstand repeated high-stress conditions.

Corrosion Resistance and Fatigue Strength

Carpenter Custom 465 offers excellent corrosion resistance, even in harsh environments. It has superior resistance to stress-corrosion cracking compared to other high-strength stainless steels, making it a preferred choice in industries exposed to saltwater, chemicals, and high humidity. Additionally, its high fatigue strength enhances its durability, providing long-lasting performance in challenging operating environments.

Applications of 465 Stainless Steel

The combination of ultra-high strength, corrosion resistance, and toughness makes 465 Stainless Steel an excellent material for demanding applications across multiple industries:

  • Aerospace Components: Used in aircraft structural components, landing gear, and engine parts that require high strength and toughness.
  • Defense Equipment: Ideal for military-grade fasteners, missile components, and high-strength structural parts.
  • Oil and Gas Industry: Suitable for downhole tools, valves, and shafts exposed to harsh environments and high pressures.
  • Medical Devices: Used in surgical instruments and orthopedic implants requiring both high strength and biocompatibility.
  • Marine Applications: Excellent for use in propellers, pumps, and other components exposed to corrosive marine environments.

Buy 465 Stainless Steel From M. Vincent

At M. Vincent, we offer 465 Stainless Steel (Carpenter Custom 465) in a range of forms, including bar, sheet, and plate, to suit the needs of industries like aerospace, defense, and medical. Our team is committed to providing competitive pricing, timely delivery, and expert support to ensure you get the right material for your project. Contact us today to learn more or to request a quote.

Material is fully certified to AMS 5936 and ASTM F899 (surgical instrument quality) and precision ground to ±.0005

Chemical Data, Mechanical Properties and Specifications for Custom 465 Stainless Steel

Chemical Range For 465
Element Minimum Maximum
Carbon -- 0.02
Chromium 11.00 12.50
Iron Balance --
Manganese -- 0.25
Molybdenum 0.75 1.25
Nickel 10.75 11.25
Phosphorus -- 0.015
Silicon -- 0.25
Sulphur -- 0.01
Titanium 1.50 1.80

 

Typical Mechanical Properties for 465
Form Tensile Strength Yield Strength Elongation at Break
At H1000° 252 ksi 247 ksi 15%

 

Specifications
AMS 5936 Capable of H1000
ASTM A564 Capable of H1000
ASTM F899
UNS S46500

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