Stainless Steels and High Performance Alloys

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In summary, manufacturers and suppliers have technical information on their websites about stainless steels and special/high performance alloys. Some major suppliers include High Performance Alloys, Inc., Haynes International, Inc., Allegheny Technologies Incorporated, and Carpenter Technology Corporation. These materials are commonly used in the production of high-quality knives, such as Sabatier chef's knives, which can hold a razor edge for extended periods of time when used for specific tasks.
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Questions come up time to time regarding stainless steels and special or high performance alloys.

Manufacturers and suppliers have some technical information on their websites. For example, here are some major suppliers:

High Performance Alloys, Inc.
http://www.hpalloy.com/Alloys/

Haynes International, Inc
http://www.haynesintl.com/

Allegheny Technologies Incorporated
http://www.alleghenytechnologies.com/
http://www.alleghenytechnologies.com/pages/Products/Default.htm

Carpenter Technology Corporation
http://www.cartech.com/
http://www.cartech.com/sao_products/wr_sao_product.html?leftn=sao_products&lefto=nav_tlo&lefti=sao_ps0
 
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Astro, it is so cool that you spontaneously throw things like this up for reference. Most people here merely respond to specific questions, but this is about a half dozen or so times that I've seen you bring something up that will help so many people without them having to ask. (And who knows what you were doing before I got here.) Cheers, mate.
 
  • #3
My main interest in this area is knives. I love Sabatier chef's knives (from the firm using the 4-star and elephant logo), and though I currently have a 6" SS model that is fantastic, I wish now that I had gone for the forged carbon steel model, and sequestered it for non-acidic jobs. No slicing tomatoes, limes, lemons etc. My old carbon model would hold a razor edge for weeks without honing, as long as it was confined to slicing/chopping relatively neutral vegetables and meats. It can be hard to spend 60-80 bucks on a 6" chef's knife, but when it turns into the "GO TO" knife for both of us within a day, it seems like a good investment.
 
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1. What are stainless steels and high performance alloys?

Stainless steels and high performance alloys are a group of materials that are known for their exceptional strength, durability, corrosion resistance, and heat resistance. They are composed mainly of iron, with varying amounts of other elements such as chromium, nickel, and molybdenum.

2. What are the main properties of stainless steels and high performance alloys?

The main properties of stainless steels and high performance alloys include high strength, excellent corrosion resistance, good ductility and toughness, and high temperature resistance. These materials are also known for their ability to maintain their properties in extreme environments and under harsh conditions.

3. What are the common uses of stainless steels and high performance alloys?

Stainless steels and high performance alloys are commonly used in a variety of industries, including aerospace, automotive, chemical processing, construction, and medical. They are often used for parts and components that require high strength, corrosion resistance, and heat resistance, such as aircraft engines, surgical instruments, and chemical reactors.

4. How are stainless steels and high performance alloys produced?

Stainless steels and high performance alloys are typically produced through a process called melting and casting, where the raw materials are melted and then formed into a desired shape. They can also be produced through techniques such as powder metallurgy, where metal powders are pressed and sintered to create a solid piece.

5. What is the difference between stainless steels and high performance alloys?

The main difference between stainless steels and high performance alloys is their composition. Stainless steels contain a higher percentage of chromium, which gives them their corrosion resistance, while high performance alloys contain a higher percentage of nickel and other elements for increased strength and heat resistance. High performance alloys are also typically more expensive and used in more specialized applications.

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