1. Stainless Steel 321 Sheets And Plates Corrosion Resistance:

• exhibits good general corrosion resistance that is comparable to 304.
• developed for use in the chromium carbide precipitation range of 1800 – 1500°F (427 – 816°C) .
• can be used in most diluted organic acids at moderate temperatures .
• can be used in pure phosphoric acid at lower temperatures.
• can be used in up to 10% diluted solutions at elevated temperatures.
• resists polythionic acid stress corrosion cracking in hydrocarbon service.
• utilized in chloride or fluoride free caustic solutions at moderate temperatures.
• does not perform well in chloride solutions, even in small concentrations, or in sulfuric acid service.

2. Stainless Steel 321 Sheets And Plates Hot Forming:

• Working temperatures of 2100 – 2300°F (1149 – 1260°C) are recommended for forging, upsetting and other hot working processes.
• Alloy not suitable for work at temperatures below 1700°F (927°C).
• Material must be water quenched or fully annealed after working to re-attain maximum corrosion resistance.

3. Stainless Steel 321 Sheets And Plates Cold Forming:

Quite ductile and forms easily.

4. Stainless Steel 321 Sheets And Plates Welding:

• Readily welded by most standard processes.
• Post weld heat treatment is not necessary

5. Stainless Steel 321 Sheets And Plates Machining:

• Hardening rate of 321 makes it less machinable than 410 stainless steel, but similar to 304