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321 Hot Rolled Stainless Steel Coil
Short Description:
321 Hot Rolled Stainless Steel Coil is a type of stainless steel material. Specifically, it is an austenitic stainless steel. This stainless steel coil has excellent corrosion resistance, especially at high temperatures, and is therefore widely used in applications that require high temperature and corrosion resistance, such as aircraft and exhaust pipes.
The reason why 321 Hot Rolled Stainless Steel Coil has these characteristics is mainly because it contains titanium and aluminum elements, which can stabilize the microstructure of stainless steel and improve its corrosion resistance.
Description of 321 Hot Rolled Stainless Steel Coil, 321 HRC
- Thickness: 1.2mm – 10mm
- Width: 600mm – 2000mm, the narrowed products pls check in strip products
- Max Coil Weight: 40MT
- Coil ID: 508mm,610mm
- Finish: NO.1, 1D, 2D, #1, hot rolled finished, black, Anneal and pickling, mill finish
- Other Names of 321 Steel: 1.4541 SUS321 S32168 S32100 06Cr18Ni11Ti 0Cr18Ni10Ti
- 321 Chemical components ASTM A240 : C：≤0.08 ，Si ：≤0.75 Mn ：≤2.0 ，Cr ：17.0～19.0 ，Ni ：9.0～12.0， S ：≤0.03 ，P ：≤0.045 N: 0.1 , Ti : 5X(C+N)Min～ 0.70Max
- 321 Mechanical Properties ASTM A240 :
- Tensile strength : > 515 Mpa
- Yield Strength : >205 Mpa
- Elongation (%): > 40%
- Hardness: < HRB95
321 Stainless Steel Coil: The Ultimate Guide
1. Material properties
321 stainless steel coil is a heat-resistant and corrosion-resistant stainless steel material whose main alloy elements include chromium, nickel and titanium. Chromium gives stainless steel excellent corrosion resistance, while nickel improves its heat resistance and oxidation resistance. The addition of titanium effectively prevents grain boundary corrosion of stainless steel at high temperatures, further extending its service life.
321 stainless steel coils can still maintain good mechanical properties and chemical stability at high temperatures, so they have been widely used in aviation, aerospace, petrochemical, food processing and other fields. It can work stably for a long time in the temperature range of 430℃-900℃, and has good welding performance and processing performance.
2. Production process
The production process of 321 stainless steel coils mainly includes smelting, casting, hot rolling, cold rolling, annealing and finishing. During the smelting process, equipment such as vacuum induction furnaces or electroslag remelting furnaces are used to strictly control the content of alloy elements to ensure that the chemical composition of stainless steel meets the requirements. Steps such as casting, hot rolling and cold rolling use different temperature controls and mechanical processing to obtain stainless steel coils with required specifications and properties. Finally, after annealing and finishing, the plasticity and toughness of the stainless steel coil are further improved, making it more suitable for subsequent processing and use.
3. Application fields
321 stainless steel coil has become a leader in the metal material market with its excellent performance and wide range of applications. The following are its main application areas:
- Aviation and aerospace industry: Because 321 stainless steel coils can withstand high temperature and high pressure environments, they are widely used in the aviation and aerospace industry, such as manufacturing missile engine parts, turbine engine parts, jet engine linings, etc.
- Chemical industry: 321 stainless steel coils have excellent corrosion properties against chemicals such as acids, alkalis, and salts, so they are widely used in the manufacturing of pipelines, storage tanks, reactors and other equipment in the chemical industry.
- Petroleum industry: In the petroleum industry, 321 stainless steel coils are widely used in the manufacturing of oil refining units, pipelines, storage tanks and other equipment due to their excellent high temperature resistance and corrosion resistance.
- Food processing industry: Because 321 stainless steel coils are non-toxic to food, do not produce any odor, and are easy to clean, they are widely used in manufacturing equipment in the food processing industry, such as food machinery, kitchen utensils, etc.
Why Choose Sino Stainless Steel?
As a leading supplier of stainless steel products across the whole world, Sino Stainless Steel provides customers with high-quality 321 Hot Rolled Stainless Steel Coils and other stainless steel products such as stainless steel strips, stainless steel sheets, stainless steel bars, and stainless steel wires at a very competitive price.
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