| 304 |
Cr: 18–20%, Ni: 8–10.5%, C: ≤0.08% |
Good corrosion resistance, formability, and weldability. Excellent for general use. |
Food processing, chemical industries, pharmaceutical, textiles. |
| 304L |
Cr: 18–20%, Ni: 8–12%, C: ≤0.03% |
Low carbon content, improved weldability, resistance to sensitization. |
Welding applications, heat exchangers, tanks, and vessels. |
| 316 |
Cr: 16–18%, Ni: 10–14%, Mo: 2–3%, C: ≤0.08% |
Superior resistance to corrosion, especially against chlorides. |
Marine environments, chemical processing, food and dairy. |
| 316L |
Cr: 16–18%, Ni: 10–14%, Mo: 2–3%, C: ≤0.03% |
Lower carbon version of 316, improved weldability. High resistance to pitting. |
Used in chemical, pharmaceutical, marine, and food processing. |
| 310 |
Cr: 24–26%, Ni: 19–22%, C: ≤0.25% |
Excellent high-temperature strength, oxidation resistance at elevated temperatures. |
Furnace parts, high-temperature exhaust systems, and kilns. |
| 310S |
Cr: 24–26%, Ni: 19–22%, C: ≤0.08% |
Lower carbon content, better weldability, resistance to scaling. |
High-temperature applications such as furnace components. |
| 321 |
Cr: 17–19%, Ni: 9–12%, Ti: 5×(C)%, C: ≤0.08% |
Excellent resistance to intergranular corrosion due to the addition of Titanium. |
Aircraft, petrochemical, and high-temperature environments. |
| 347 |
Cr: 17–19%, Ni: 9–13%, Nb: 10×(C)%, C: ≤0.08% |
Stabilized with niobium (Nb), good resistance to intergranular corrosion. |
Chemical, power, and oil industries. |
| Duplex 2205 |
Cr: 22–23%, Ni: 4.5–6.5%, Mo: 3%, C: ≤0.03% |
Combined austenitic-ferritic structure, high strength, and corrosion resistance. |
Offshore oil rigs, paper industry, and water treatment. |
| Super Duplex 2507 |
Cr: 25%, Ni: 7%, Mo: 4%, C: ≤0.03% |
High strength and resistance to chloride stress corrosion, pitting, and crevice corrosion. |
Desalination plants, chemical processing, and marine. |
| 430 |
Cr: 16–18%, Ni: 0.75%, C: ≤0.12% |
Good resistance to oxidation, lower corrosion resistance than 304/316. |
Automotive, appliances, and kitchen equipment. |
| 446 |
Cr: 23–27%, Ni: 0.75%, C: ≤0.20% |
Excellent resistance to high-temperature oxidation, moderate corrosion resistance. |
Furnace parts, heat exchangers, and high-temperature applications. |
| 904L |
Cr: 19–23%, Ni: 23–28%, Mo: 4–5%, C: ≤0.02% |
Exceptional resistance to corrosion in acidic environments. |
Chemical processing, power plants, and marine applications. |
