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AISI 321 stainless steel (SS321) is basically type 304 with the addition of titanium (Ti), which stabilizes carbides against sensitization to prevent intergranular precipitation of chromium carbide when the steel is heated to a temperature within the sensitization range (such as during welding). 321H is to obtain the best creep strength and ...
321 stainless steel is based on Cr-Ni-Ti Austenitic stainless steel, and it is similar to 304 stainless steel, but with better resistance to intergranular corrosion resistance due to the addition of titanium element, and high temperature strength. The addition of titanium is effective in controlling the formation of chromium carbide.
Austenitic là loại thép không gỉ thông dụng nhất. Thuộc dòng này có thể kể ra các mác thép SUS 301, 304, 304L, 316, 316L, 321, 310s… Loại này có chứa tối thiểu 7% ni ken, 16% chromi, carbon (C) 0.08% max.
Stainless steel, also known as inox, corrosion-resistant steel ( CRES) and rustless steel, is an alloy of iron that is resistant to rusting and corrosion. It contains iron with chromium and other elements such as molybdenum, carbon, nickel and nitrogen depending on its specific use and cost.
The material 321 is an austenitic stainless steel with a titanium alloy, which stabilizes the metal against chromium carbide formation. For this reason, 321 can be welded with excellent resistance to intergranular corrosion. The material is also known by the designation EN 1.4541 and the material number X6CrNiTi18-10.
Mar 17, 2023 · What is 321 Stainless Steel? 321 is also called or known as UNS S32100. It is a non-magnetic and stabilized austenitic alloy or SS. Other identifiable names of 321 SS include: AMS5510. AMS5645. 321 Stainless Steel Rods. Advantages of 321 Stainless Steel? It is non-magnetic. 321 SS provides you with the best resistance to stress corrosion cracking.
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Feb 23, 2018 · Both grade 304 and 321 belong to the Austenitic 300 series stainless steel. They are similar in corrosion resistance, strength, hardness and welding performance, but 321 is mostly used in the heat resistance condition of 500-600 ℃. 321H stainless steel is the low-carbon version of 321, is the commonly used heat resistant steel, of which ...
