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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
Austenitic Stainless Steel
SS 316 / 316L
UNS: S31600 / S31603 | Werkstoff: 1.4401 / 1.4404
ASTM: TP316 / TP316L
Austenitic Stainless Steel
SS 304 / 304L
UNS: S30400 / S30403 | Werkstoff: 1.4301 / 1.4307
ASTM: TP304 / TP304L
4 differences found
3 in chemical composition, 1 in mechanical properties. Differences highlighted in gold.
Chemical Composition (% max unless range)
| Element | SS 316 / 316L | SS 304 / 304L | Match |
|---|---|---|---|
| C | 0.08 / 0.030 max | 0.08 / 0.030 max | |
| Mn | 2.00 max | 2.00 max | |
| Si | 0.75 max | 0.75 max | |
| P | 0.045 max | 0.045 max | |
| S | 0.030 max | 0.030 max | |
| Cr | 16.0-18.0 | 18.0-20.0 | |
| Ni | 10.0-14.0 | 8.0-10.5 / 8.0-12.0 | |
| Mo | 2.0-3.0 | - |
Mechanical Properties
| Property | SS 316 / 316L | SS 304 / 304L | Match |
|---|---|---|---|
| Tensile Strength | 515 / 485 MPa min | 515 / 485 MPa min | |
| Yield Strength | 205 / 170 MPa min | 205 / 170 MPa min | |
| Elongation | 35% min | 35% min | |
| Hardness | 95 HRB max | 92 HRB max |
International Standard Equivalents
| Standard | SS 316 / 316L | SS 304 / 304L |
|---|---|---|
| UNS Number | S31600 / S31603 | S30400 / S30403 |
| Werkstoff Nr. | 1.4401 / 1.4404 | 1.4301 / 1.4307 |
| EN Name | X5CrNiMo17-12-2 / X2CrNiMo17-12-2 | X5CrNi18-10 / X2CrNi18-9 |
| ASTM / ASME | TP316 / TP316L | TP304 / TP304L |
| JIS (Japan) | SUS 316 / SUS 316L | SUS 304 / SUS 304L |
| BS (British) | 316S31 / 316S11 | 304S31 / 304S11 |
| GOST (Russia) | 08Kh17N13M2 / 03Kh17N14M2 | 08Kh18N10 / 03Kh18N11 |
| Applicable Standards | ASTM A312 / ASME SA312, ASTM A213 / ASME SA213, ASTM A269, DIN EN 10216-5 | ASTM A312 / ASME SA312, ASTM A213 / ASME SA213, ASTM A269, DIN EN 10216-5 |
