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Grade Comparison Tool
Compare chemical composition, mechanical properties, and international standard equivalents side by side. Differences highlighted in gold.
Select Grades to Compare
Lean Duplex Stainless Steel
Duplex 2304
UNS: S32304 | Werkstoff: 1.4362
ASTM: S32304
Austenitic Stainless Steel
SS 304 / 304L
UNS: S30400 / S30403 | Werkstoff: 1.4301 / 1.4307
ASTM: TP304 / TP304L
13 differences found
9 in chemical composition, 4 in mechanical properties. Differences highlighted in gold.
Chemical Composition (% max unless range)
| Element | Duplex 2304 | SS 304 / 304L | Match |
|---|---|---|---|
| C | 0.030 max | 0.08 / 0.030 max | |
| Mn | 2.50 max | 2.00 max | |
| Si | 1.00 max | 0.75 max | |
| P | 0.040 max | 0.045 max | |
| S | 0.030 max | 0.030 max | |
| Cr | 21.5-24.5 | 18.0-20.0 | |
| Ni | 3.0-5.5 | 8.0-10.5 / 8.0-12.0 | |
| Mo | 0.05-0.60 | - | |
| N | 0.05-0.20 | - | |
| Cu | 0.05-0.60 | - |
Mechanical Properties
| Property | Duplex 2304 | SS 304 / 304L | Match |
|---|---|---|---|
| Tensile Strength | 600 MPa min | 515 / 485 MPa min | |
| Yield Strength | 400 MPa min | 205 / 170 MPa min | |
| Elongation | 25% min | 35% min | |
| Hardness | 290 HBW max | 92 HRB max |
International Standard Equivalents
| Standard | Duplex 2304 | SS 304 / 304L |
|---|---|---|
| UNS Number | S32304 | S30400 / S30403 |
| Werkstoff Nr. | 1.4362 | 1.4301 / 1.4307 |
| EN Name | X2CrNiN23-4 | X5CrNi18-10 / X2CrNi18-9 |
| ASTM / ASME | S32304 | TP304 / TP304L |
| JIS (Japan) | - | SUS 304 / SUS 304L |
| BS (British) | - | 304S31 / 304S11 |
| GOST (Russia) | - | 08Kh18N10 / 03Kh18N11 |
| EN (European) | 1.4362 | - |
| Applicable Standards | ASTM A789 / ASME SA789, ASTM A790 / ASME SA790, DIN EN 10216-5 | ASTM A312 / ASME SA312, ASTM A213 / ASME SA213, ASTM A269, DIN EN 10216-5 |
