321 Stainless Steel for Chemical Processing

1. What chemical processes use 321? Nitric acid production, oxidizing chemical reactions, and solvent distillation.

2. Can 321 resist concentrated nitric acid? Yes, it has excellent resistance at moderate temperatures.

3. Is 321 suitable for hydrochloric acid? No, it has poor resistance to reducing acids like HCl.

4. Does 321 comply with ASME BPE? Yes, for bioprocessing and specialty chemical equipment.

5. How to handle 321 in chemical plants? Avoid contact with reducing acids and chloride solutions.