The process of seamless rolled ring forging involves different types of materials used. The rings may be made of carbon, stainless steel, or alloy. Alloy steel is a steel that contains an additional alloying material aside from carbon to improve the heat treat response or mechanical and physical properties of the rolled rings.
This additional alloying material creates steel fatigue resistance, as well as, strength and stability of the rings. Moreso, there are three diverse types of exotic alloys. Below is a short yet in-depth discussion of these types.
Types of Alloy Rolled Rings
It is a nickel-based superalloy with an age-hardening feature that gives this seamless rolled ring forging useful strength. This type of exotic alloy works best on provisions with solution-annealed conditions. Although it is a bit difficult to wield, it’s still known to be reasonably impermeable to oxidation and possess high-standard corrosion resistance.
Therefore, it is useful for functioning in extreme environments. Waspaloy alloy rings are often used in turbine disks, shafts, rings, seals, and gas turbine blades.
This type of exotic alloy is a family of the non-magnetic stainless steels. They can sustain their structural integrity despite being exposed to excessive temperatures. Additionally, they are resistant to oxidation and are typically used in applications that need materials that yield corrosion caused by stress-corrosion cracking and high purity water.
Inconel is normally used in industries involved in commercial gas turbines, in making jet engine parts, chemical or food processing, and aerospace.
Hastelloy X is an alloy composed of molybdenum, iron, chromium, or nickel, making it both resistant to extreme temperatures and oxidation. They provide good ductility and are definitely easy to fabricate. These types of seamless rolled ring forging are found in the combustion zone parts of the gas-turbine engines like flame holders, combustor cans, spray bars, and transition ducts.
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