Grades
321
Austenitic, titanium stabilised · EN 1.4541
Titanium stabilisation suits sustained service between 550–800 °C.
Chloride resistance is at 304 level; it does not replace 316L.
Chemical composition
| Element | % |
|---|---|
| C | max 0,08 |
| Si | max 1,00 |
| Mn | max 2,00 |
| P | max 0,045 |
| S | max 0,015 |
| Cr | 17,0 – 19,0 |
| Ni | 9,0 – 12,0 |
| Mo | — |
| Ti | 5×C – 0,70 |
Mechanical properties
| Property | Value |
|---|---|
| Rp0,2 (MPa) | min 200 |
| Rm (MPa) | 500 – 730 |
| A (%) | min 40 |
| HB | max 215 |
| Density (g/cm³) | 7,9 |
| Magnetic | No |
Values are published EN 10088 ranges. The real figure for an order is on that heat certificate.