455 Stainless Steel
At a Glance
| Property | Details |
|---|---|
| Available Forms | Rod, Tube |
| Alloy Type | Martensitic Age-Hardenable Stainless Steel |
| Corrosion Resistance | Excellent corrosion resistance for a high-strength martensitic stainless steel |
| Hardness | Age hardenable through heat treatment to achieve high strength and hardness |
| Durability | Excellent toughness, strength, and resistance to repeated stress |
| Machinability | Machinable in the annealed condition and commonly supplied precision ground |
| Key Advantages | High strength, good toughness, excellent corrosion resistance, simple heat treatment, and surgical instrument suitability |
| Common Applications | Aerospace components, fasteners, shafts, springs, surgical instruments, medical tools, pumps, valves, and high-strength precision components |
| Specifications | ASTM F899, AMS 5617, ASTM A564 Grade XM-16, UNS S45500 |
Introduction to 455 Stainless Steel
455 Stainless Steel, also known as Carpenter Custom 455®, is a martensitic age-hardenable stainless steel known for its high strength, toughness, and excellent corrosion resistance. This alloy is particularly useful in industries that require materials capable of maintaining strength and integrity in high-stress environments. Its ability to reach high tensile strength through simple heat treatment makes it highly versatile for aerospace, chemical processing, automotive, and medical applications.
Strength and Hardening Properties
455 Stainless Steel offers excellent mechanical properties, particularly in terms of high tensile and yield strength. The alloy can be age hardened with a relatively simple heat treatment process, achieving high strength while maintaining good toughness and ductility. This feature makes it a strong choice for components that need to withstand repeated stress and maintain structural integrity over time.
Corrosion Resistance and Durability
One of the significant advantages of Carpenter Custom 455® is its impressive corrosion resistance for a high-strength martensitic stainless steel. It is often selected for applications where strength, toughness, and corrosion resistance must work together.
Custom 455® offers reliable performance in demanding environments, including aerospace, chemical processing, automotive, and medical applications. Its combination of corrosion resistance and mechanical strength makes it useful for high-performance components that must resist wear, stress, and environmental exposure.
Applications of 455 Stainless Steel
Due to its combination of high strength, corrosion resistance, and toughness, 455 Stainless Steel is used in a variety of demanding applications across multiple industries:
- Aerospace Components: Used for aircraft structures, landing gear components, and fasteners requiring high strength and corrosion resistance.
- Oil and Gas Industry: Suitable for valves, shafts, and high-strength components where durability and corrosion resistance are important.
- Automotive Components: Used in high-performance automotive parts such as shafts and springs that require both strength and durability.
- Chemical Processing Equipment: Used for pumps, mixers, valves, and other components exposed to demanding service conditions.
- Medical Instruments: Commonly used in surgical instruments and medical tools where high strength and corrosion resistance are essential.
Buy 455 Stainless Steel from M. Vincent
At M. Vincent, we supply 455 Stainless Steel, including Carpenter Custom 455®, in multiple forms to meet the needs of industries ranging from aerospace to medical. Our team offers competitive pricing, timely delivery, and expert support to help you get the right material for your project. Contact us today for more information or to request a quote.
Material is fully certified to AMS 5617 and ASTM F899 surgical instrument quality and is available precision ground to ±.0005 when applicable.
Chemical Data, Mechanical Properties and Specifications for Custom 455® Stainless Steel
Chemical Range for 455
| Element | Minimum | Maximum |
|---|---|---|
| Carbon | -- | 0.05 |
| Chromium | 11.00 | 12.50 |
| Copper | 1.50 | 2.50 |
| Iron | Balance | -- |
| Manganese | -- | 0.50 |
| Molybdenum | -- | 0.50 |
| Nickel | 7.50 | 9.50 |
| Niobium | 0.10 | 0.50 |
| Phosphorus | -- | 0.04 |
| Silicon | -- | 0.50 |
| Sulphur | -- | 0.03 |
| Titanium | 0.80 | 1.40 |
Typical Mechanical Properties for 455
| Form | Tensile Strength | Yield Strength | Elongation at Break |
|---|---|---|---|
| Annealed Bar | 145 ksi | 103 ksi | 14% |
Specifications
- ASTM F899
- AMS 5617
- ASTM A564 Grade XM-16
- UNS S45500