Grades
310S
Austenitic, heat resisting · EN 1.4845
High chromium and nickel resist scaling up to around 1000 °C. The grade for furnace internals, burners and flue parts.
At room temperature its chloride resistance is below 316L, so not for seawater. It is costly and pointless without heat.
Chemical composition
| Element | % |
|---|---|
| C | max 0,10 |
| Si | max 1,50 |
| Mn | max 2,00 |
| P | max 0,045 |
| S | max 0,015 |
| Cr | 24,0 – 26,0 |
| Ni | 19,0 – 22,0 |
| Mo | — |
| N | max 0,11 |
Mechanical properties
| Property | Value |
|---|---|
| Rp0,2 (MPa) | min 210 |
| Rm (MPa) | 500 – 700 |
| A (%) | min 35 |
| HB | max 230 |
| Density (g/cm³) | 7,9 |
| Magnetic | No |
Values are published EN 10088 ranges. The real figure for an order is on that heat certificate.