310 vs 310S Stainless Steel Differences

1. What is the carbon content range of 310 and 310S? 310: ≤0.25%; 310S: ≤0.08%.

2. Which one has better welding performance, 310 or 310S? 310S, as its low carbon content reduces sensitization after welding, no post-weld annealing is needed.

3. When should I choose 310 instead of 310S? Choose 310 for non-welded high-temperature load-bearing components that require higher strength.

4. Does 310S sacrifice strength for corrosion resistance? It has slightly lower high-temperature strength than 310 but maintains excellent overall performance.

5. What are the UNS codes for 310 and 310S? 310: UNS S31000; 310S: UNS S31009.