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Learn about the chemical composition, physical and mechanical properties, heat treatment, and applications of AISI 321 stainless steel (SS321), a type of 304 with titanium stabilization. Find tables and lists of AISI 321 stainless steel datasheet and specifications, including ASTM, SAE, and UNS standards.
Physical Properties. Density. 0.286 lbs 3/ in 7.920 g /cm3. Modulus of Elasticity 628.0 x 10psi 193 GPa. Melting Range 2550 – 2635°F 1398 – 1446°C Specific Heat. 0.12 BTU/lb-°F (32 – 212°F) 500 J/kg-°K (0 – 100°C) Thermal Conductivity 212°F (100°C) 9.3 BTU/hr/ 2ft/ft /°F 16.0 W/m-°K. Electrical Resistivity. 72 Microhm-cm at 20°C.
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Learn about the properties, chemical composition, mechanical and physical properties, and applications of 321 and 321H stainless steel plate, austenitic materials stabilized by titanium. Find out how to purchase, process, and fabricate these grades of plate in various sizes and thicknesses.
Oct 23, 2001 · Grade 321 is the grade of choice for applications in the temperature range of up to about 900 °C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion. Grade 321H is a modification of 321 with higher carbon content, to provide improved high-temperature strength.
Jan 10, 2023 · Conclusion: If you’re looking for a high-strength, corrosion-resistant stainless steel option, 321 stainless steel is ideal. Its excellent mechanical properties are perfect for many applications, including heat exchangers, kiln linings, and aircraft components. Let’s take a closer look at the 321 stainless steel properties and uses.
General Properties. Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 – 1500°F (427 – 816°C).
These properties make it ideal for pressure vessels and boiler applications. 321 stainless steel is non-magnetic and heat resistant for continuous service at elevated temperatures. 321 Inventory Size Ranges. Coil. 0.010" - 0.125" Get a Quote. Sheet. 0.010" - 0.125" Get a Quote. Plate. 0.1875" - 0.250" Get a Quote. Bar. 0.375" - 9.000" Get a Quote.
