SS 321 (UNS S32100) Plates Features

321 (UNS S32100) steel material is titanium stabilized austenitic stainless steel plate with good general corrosion resistance. The alloy plate is quite ductile and forms easily. SS 321 (UNS S32100) plate cannot be hardened by heat treatment, only by cold working. It can be easily welded and processed by standard shop fabrication practices. The cold work hardening rate of 321 stainless steel plate makes it less machinable than 410 stainless steel, but similar to 304. 321 austenitic stainless steel plate has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 - 1500°F (427 - 816°C). The alloy resists oxidation to 1500°F (816°C) and has higher creep and stress rupture properties than alloys 304 and 304L. It also possesses good low temperature toughness.
321 ss plates can be used in most diluted organic acids at moderate temperatures and in pure phosphoric acid at lower temperatures and up to 10% diluted solutions at elevated temperatures. Alloy 321 resists polythionic acid stress corrosion cracking in hydrocarbon service. It can also be utilized in chloride or fluoride free caustic solutions at moderate temperatures.
Physical Properties
Density: 0.286 lbs/in3 ; 7.920 g/cm3)
Specific Heat: 0.12 BTU/lb-°F (32 – 212°F);  444 J/kg-°K (0 – 100°C)
Modulus of Elasticity: 28.0 x 106 psi;  193 GPa
Thermal Conductivity 200°F (100°C): 9.3 BTU/hr/ft2/ft/°F;  16.0 W/m-°K
Melting Range: 2550 – 2635°F;  1398 – 1446°C
Electrical Resistivity: 72 Microhm-cm at 20°F

321 stainless steel plate is also advantageous for high temperature service because of its good mechanical properties. If you’re interested in 321 (UNS S32100) stainless steel, welcome to send your RFQ to us. Our sales will contact you asap.