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Alloy 465/Custom 465/UNS S46500/AMS 5936 Medical and Surgical Purposes

Short Description:

“Custom 465: The Precipitation-Hardening Stainless Steel with High Strength and Corrosion Resistance Used in Aerospace, Automotive, Nuclear, and Biomedical Industries, and Anton Metal’s Round Bar and Wire Rod Products for Medical and Surgical Purposes”

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Custom 465 is a premium martensitic precipitation-hardening stainless steel that offers an excellent combination of high strength, toughness, and resistance to corrosion. The material is widely used in the aerospace, automotive, nuclear, and biomedical industries, among others, due to its superior properties. This article provides an overview of the chemical composition, mechanical properties, applications, and Anton Metal’s round bar and wire rod products for medical and surgical purposes.

Chemical Composition:

Custom 465 contains a range of alloying elements that contribute to its unique properties. The most significant of these are chromium, nickel, molybdenum, titanium, and niobium. Chromium provides high levels of corrosion resistance, and nickel enhances toughness and ductility. Molybdenum improves pitting resistance, while titanium and niobium promote precipitation hardening.

The chemical composition of Custom 465 is as follows:

  • Chromium (Cr): 11.0 – 12.5%
  • Nickel (Ni): 10.5 – 11.75%
  • Molybdenum (Mo): 0.75 – 1.25%
  • Titanium (Ti): 1.8 – 2.2%
  • Niobium (Nb): 0.3 – 0.7%
  • Carbon (C): 0.05% (max)
  • Manganese (Mn): 0.50% (max)
  • Silicon (Si): 0.50% (max)
  • Phosphorus (P): 0.04% (max)
  • Sulfur (S): 0.03% (max)

Mechanical Properties:

Custom 465 has excellent mechanical properties, which make it ideal for high-strength and high-performance applications. The material’s strength and toughness are achieved through a precipitation-hardening process that involves heat treatment. The following are the typical mechanical properties of Custom 465:

  • Ultimate Tensile Strength: 190 ksi (1310 MPa) – Condition H900
  • Yield Strength: 175 ksi (1210 MPa) – Condition H900
  • Elongation: 8% (min) – Condition H900
  • Reduction of Area: 25% (min) – Condition H900


Custom 465 has a wide range of applications due to its unique combination of mechanical properties and corrosion resistance. Some of the most common applications include:

  • Aerospace: Custom 465 is used in various aerospace components, including landing gear, structural parts, fasteners, and bearings. It offers high strength-to-weight ratios, fatigue resistance, and corrosion resistance.
  • Automotive: The material is also widely used in the automotive industry in engine components such as valve springs, rocker arm shafts, and push rods. It offers high strength and wear resistance.
  • Nuclear: Custom 465 is used in nuclear power plants for high-stress applications, such as in reactor pressure vessels and control rod drive mechanisms. It offers excellent strength and resistance to radiation-induced embrittlement.
  • Biomedical: The material is often used in medical and surgical instruments due to its high strength, corrosion resistance, and biocompatibility.

Anton Metal’s Round Bar and Wire Rod:

Anton Metal is a leading supplier of Custom 465 round bar and wire rod for medical and surgical purposes. Their products are widely used in the manufacture of orthopedic implants, dental tools, and other surgical instruments. Stainless steel round bars are typically used to manufacture screws, pins, and other small implantable devices. Wire rods, on the other hand, are commonly used in the manufacture of orthodontic wires and surgical staples.

Anton Metal’s Custom 465 round bars come in various sizes, ranging from 0.125″ to 6″ in diameter. They also offer custom lengths and finishes to meet the specific needs of their customers. Their wire rods come in diameters ranging from 0.010″ to 0.250″, with custom lengths and finishes available as well.


Custom 465 is typically produced to industry standards such as AMS 5936 and ASTM A693. These standards outline the chemical composition, mechanical properties, and testing requirements for the material. Anton Metal’s products also meet these standards (AMS 5936/ ASTM A564/ ASTM A693/ ASTM F89/9 MMPDS-01/ UNS S46500) to ensure the highest quality and consistency.


Custom 465 is an exceptional material that combines high strength, toughness, and corrosion resistance. It finds applications in various industries, including aerospace, automotive, nuclear, and biomedical. Anton Metal offers high-quality round bar and wire rod products made from Custom 465 for medical and surgical purposes. With its unique properties and excellent machinability, Custom 465 is an ideal material for many critical applications.

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