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What are the Uses of Alloy 20 Coils?

Nickel, chromium, and molybdenum are all included in Alloy N08020 Coils. These Alloy 20 Coils are of outstanding quality and function well in a wide range of industrial applications. Steel that contains significant amounts of elements other than carbon and the usually recognized minimal levels of manganese, sulfur, silicon, and phosphorus is known as alloy steel.

More about Alloy 20 Coils

The addition of such alloying elements is frequently done to improve the hardness, strength, or chemical resistance of the metal. Heat exchangers, mixing tanks, process funneling, and more applications use Alloy 20 Coils. The breaking down square of Composite 20 Slating Coils has a variety of applications in the food, pharmaceutical, substance, plastics, and power age industries.

Alloy 20 Coils is an austenitic steel with iron, nickel, and chromium that was developed for extreme protection against catastrophic hits, and is unmistakably sulfuric hazardous. These Carpenter 20 Sheets are also available to our customers in a variety of sizes and forms.

Uses of Alloy 20 Coils

  • Industries and Applications
  • Resistance to Corrosion
  • Heat Treatment and Fabrication
  • Cold Forming and Hot Forming
  • Weldability
  • Oil and gas industry

 Industries and Applications

Chemical processing, petrochemical and refining, maritime, pharmaceutical, and food processing are just a few of the sectors that employ Alloy 20 coil. Storage tanks, mixing tanks, agitators, pump and valve components, food processing equipment, fasteners, and fittings are examples of end-use applications. According to ASME, applications are limited to a maximum temperature of 1000°F. It’s also crucial to figure out whether the required corrosion resistance can be attained in a particular environment.

Resistance to Corrosion

Sulfuric acid resistance is excellent in Alloy 20. Phosphoric acid, nitric acid, and aqueous salt solutions are also resistant to this alloy. When chloride stress corrosion cracking is a concern, Alloy 20 is a good choice since it resists pitting and crevice corrosion. In chloride ion-containing situations, caution should be used since the rate of corrosion can dramatically increase.

Heat Treatment and Fabrication

Traditional hot-working and cold-working procedures may both be used to make Alloy 20. Prior to forging, hot forged material should be heated to a temperature of between 2100°F and 2250°F, with rigorous temperature management to ensure that the temperature does not drop below 1800°F. After hot working, anneal the material by heating it to 1725°F or 1850°F for at least 30 minutes per inch of thickness, then water quenches it.

Cold Forming and Hot Forming

Cold formability is good in Alloy 20. Bending, drawing, pressing, and other forming processes that are used in the fabrication of manufactured products are simple to conduct. Normally, Alloy 20 can be bent with a press brake over a radius twice its thickness. Final stabilizing annealing is frequently necessary after cold reductions of more than 15%.

Heat to a starting temperature of 2100-2225°F in a consistent manner. Before the stock cools below 1800°F, finish forging. Reheat the material at 1750-1850°F for a minimum of 1/2-hour for one inch of thickness following hot working activities, then water quench.


With the exception of oxyacetylene, all regularly used welding processes may be utilized effectively. Because the inclusion of Columbium reduces carbide precipitation in the heat-affected zone, the material may usually be utilized in its as-welded state. It is not necessary to pre-heat the oven.

Oil and gas industry

For good reason, carbon steel and stainless steel are the most often utilized metals in the oil and gas business. They are durable, can withstand high temperatures, and are corrosion-resistant. Seamless pipes, ERW pipes, and LSAW pipes are the three types of coils utilized in the oil and gas business. All of these coil types are available in a variety of materials and grades. A seamless coil is made by forming a hard steel billet on a flat rod without making any welds.



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