Duplex 2205
1.4462The most widely used duplex (austenitic-ferritic) stainless steel. Balanced 50/50 microstructure provides twice the yield strength of 304/316L with superior chloride and stress corrosion resistance. Used in oil & gas, chemical processing, marine, and pulp & paper industries.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | ASTM | USA | UNS S32205 | S32205 | REF |
| 🇪🇺 | EN | Europe | X2CrNiMoN22-5-3 | 1.4462 | 100% |
| 🇺🇸 | ASTM | USA | UNS S31803 | S31803 | 95% |
| 🇨🇳 | GB | China | 022Cr23Ni5Mo3N | — | 95% |
| 🇯🇵 | JIS | Japan | SUS329J3L | — | 90% |
Sources: ASTM A240, EN 10088-2, GB/T 20878, JIS G4303
Mechanical properties — Pro
Solution Treated
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | ||
| Yield Strength | ||
| Elongation | ||
| Hardness HB | ||
| Elastic Modulus | ||
| Density |
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304 Stainless Steel
1.4301The most widely used austenitic stainless steel. Excellent corrosion resistance, good formability and weldability. Standard choice for food processing, chemical, and architectural applications.
316L
1.4404Low-carbon austenitic stainless steel with molybdenum addition. Superior corrosion resistance to 304, especially against chlorides and pitting. Standard choice for chemical processing, marine, medical implants, and pharmaceutical equipment.
430 Stainless Steel
1.4016Ferritic chromium stainless steel with good corrosion resistance and formability. Lower cost than austenitic grades. Used for automotive trim, kitchen sinks, architectural panels, and appliance components.
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