304 Stainless Steel Basic Properties & Core Advantages

1. What is the main chemical composition of 304 stainless steel? It contains 18-20% chromium, 8-12% nickel, ≤0.08% carbon, and trace elements like manganese and silicon.

2. Why is 304 stainless steel so widely used? It balances corrosion resistance, formability, and cost-effectiveness, fitting most non-extreme environment needs.

3. What is the maximum continuous service temperature of 304? It can operate continuously at up to 870°C (1600°F) in oxidizing environments.

4. Is 304 stainless steel weldable? Yes, it can be easily welded using TIG, MIG, SMAW, and other common welding processes.

5. What is the UNS code for 304 stainless steel? UNS S30400.