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Nickel Grades

Nickel alloys are used extensively because of their corrosion resistance, high-temperature strength and their special magnetic and thermal expansion properties. Nickel is a versatile element and will alloy with most metals. Nickel increases the hardenability of the material.

Product Forms

Penn Stainless stocks the following products in nickel grade:

Stainless Steel Nickel Grade Products
Stainless Steel Plate Plate Mill Plate More Information
Stainless Steel Sheet 2B/2D Finish. Perforated and Flat & Expanded Metal is available upon request. More Information
Stainless Steel Bar Round Bar, Square Bar, Hex Bar, Rolled Flat More Information
Stainless Steel Structural Precipitation Hardening grades are generally not produced in angles, structural tubes and other miscellaneous shapes. More Information
Stainless Steel Tubular There is some availability in 17-4PH in tubular products. Contact a sales associate for more detail. More Information

Please contact us directly with technical questions.


Applications of Nickel Alloys

Nickel and nickel alloys are used for a wide variety of applications, the majority of which involve corrosion resistance and/or heat resistance. Some of these include:

  • Aircraft gas turbines
  • Steam turbine power plants
  • Medical applications
  • Nuclear power systems
  • Chemical and petrochemical industries

A number of other applications for nickel alloys involve the unique physical properties of special-purpose nickel-base or high-nickel alloys. These include:

  • Low-expansion alloys
  • Electrical resistance alloys
  • Soft magnetic alloys
  • Shape memory alloys

Advantages of Nickel Alloys

  • Heat-Resistance:  Nickel-base alloys are used in many applications where they are subjected to harsh environments at high temperatures. Nickel-chromium alloys or alloys that contain more than about 15% Cr are used to provide both oxidation and carburization resistance at temperatures exceeding 760°C.
  • Corrosion Resistance: Nickel-base alloys offer excellent corrosion resistance to a wide range of corrosive media. However, as with all types of corrosion, many factors influence the rate of attack. The corrosive media itself is the most important factor governing corrosion of a particular metal.
  • Low-Expansion:  Nickel was found to have a profound effect on the thermal expansion of iron. Alloys can be designed to have a very low thermal expansion or display uniform and predictable expansion over certain temperature ranges.
  • Electrical Resistance:. Several alloy systems based on nickel or containing high nickel contents are used in instruments and control equipment to measure and regulate electrical characteristics (resistance alloys) or are used in furnaces and appliances to generate heat (heating alloys).


Alloy 20Penn Stainless inventory now includes Alloy 20 (UNS N08020) in sheet, sheet coil, plate, round bar, processed flat bar and tubular products.More Information
Alloy 200Penn Stainless inventory now includes Alloy 200 (UNS N02200) in sheet, sheet coil, plate, round bar, processed flat bar and tubular products.More Information
Alloy 400 Penn Stainless inventory now includes Alloy 400 (UNS N04400) in sheet, sheet coil, plate, round bar, processed flat bar and tubular products.More Information