SS 304 vs SS 316L: Which Grade Should You Choose?

Quick answer

Choose 316L when chlorides, acids or CIP chemicals are involved; 304 is fine for many general food and dairy lines.

Key differences

• 316L contains molybdenum for pitting resistance
• 304 is more economical
• Both are available as tubes, fittings and valves
  • Tubes: BA and electropolished
  • Fittings: tri-clamp, weld-end, ASME BPE
    • Sizes from ½" to 6"

How to choose

1. List the media and cleaning chemicals (CIP)
2. Check chloride content and temperature
3. Decide the surface finish you need
   1. Mill finish
   2. Polished
   3. Electropolished
4. Send us the specification for a quotation

Need help? Our team can recommend the right grade for your process.