As industries continue to demand high-performance materials capable of handling extreme conditions, alloy manufacturers like ANTON METAL are exploring new ways to meet these needs. Incoloy 205, a nickel-iron-chromium alloy, is a prime example of this trend.
This article will provide a comprehensive overview of Incoloy 205, including its chemical composition, mechanical properties, standard specifications, and applications. We will also explore its strengths and weaknesses as well as its equivalents in other alloys.
What is Incoloy 205?
Incoloy 205 is a nickel-iron-chromium alloy known for its exceptional strength and corrosion resistance. It contains approximately 33% nickel, 22% iron, and 45% chromium, along with small amounts of carbon, manganese, silicon, sulfur, phosphorus, and copper.
The high chromium content provides excellent resistance to oxidation and sulfidation at high temperatures, making it ideal for use in process services like heat treating equipment, furnace muffles, retorts, and conveyor systems. Its strength and toughness also make it suitable for demanding structural applications.
Chemical Composition of Incoloy 205
Here’s the chemical composition of Incoloy 205:
- Nickel (Ni): 32-35%
- Iron (Fe): 21-24%
- Chromium (Cr): 43-47%
- Carbon (C): 0.03% max
- Manganese (Mn): 1% max
- Silicon (Si): 1% max
- Sulfur (S): 0.03% max
- Phosphorus (P): 0.04% max
- Copper (Cu): 0.25% max
Process Service and Standard Specifications
Incoloy 205 is commonly used in high-temperature process services, including:
- Heat treating equipment
- Furnace muffles and liners
- Retorts and crucibles
- Conveyor systems
- Catalyst support grids
- Chemical processing equipment
- Petrochemical refineries
- Aerospace industry components
The standard specifications for Incoloy 205 include:
- ASTM B160: Standard Specification for Nickel Rod and Bar
- ASTM B366: Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings
- ASTM B407: Standard Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube
- ASTM B408: Standard Specification for Nickel-Iron-Chromium Alloy Bar and Wire
- ASTM B514: Standard Specification for Welded Nickel-Iron-Chromium Alloy Pipe
- ASME SB-160, ASME SB-408, and ASME SB-564.
Mechanical Properties of Incoloy 205
Incoloy 205 has impressive mechanical properties that make it suitable for demanding environments. Here’s a summary of its key properties:
- Tensile strength: 620 MPa (90 ksi)
- Yield strength: 310 MPa (45 ksi)
- Elongation: 40%
- Hardness: Rockwell B 75-90
These properties may vary depending on the form of Incoloy 205 you are using. For example, the properties of an Incoloy 205 plate may differ from those of an Incoloy 205 round bar or pipe.
Forms of Incoloy 205 Available at ANTON METAL
Here are some of the forms in which ANTON METAL offers Incoloy 205:
- Pipe: ANTON METAL supplies Incoloy 205 seamless pipes in sizes ranging from 1/8″ to 24″ NPS, with wall thicknesses up to 0.25″.
- Plate: ANTON METAL offers Incoloy 205 plates in thicknesses ranging from 0.1875″ to 2.000″.
- Round bar: ANTON METAL provides Incoloy 205 round bars in sizes ranging from 0.125″ to 6.000″ diameter.
Applications of Incoloy 205
Incoloy 205 has a wide range of applications, including:
- Heat treating equipment: Incoloy 205 is widely used in heat treating furnaces, muffles, and retorts because of its ability to resist oxidation and sulfidation at high temperatures.
- Petrochemical refineries: Incoloy 205′s resistance to high-temperature corrosion makes it ideal for use in petrochemical refineries, where it is used in reactor vessels, heat exchangers, and piping systems.
- Aerospace industry: Incoloy 205′s strength and toughness make it suitable for use in critical aerospace components like turbine blades, combustion chambers, and compressor discs.
- Chemical processing equipment: Incoloy 205 is commonly used in chemical processing equipment like reactors, tanks
Post time: Jun-03-2023
