309 / 1.4828
1.4828 is a quality standard for furnaces and other high temperature components. Compared to other grades for applications and due to the high tensile strength at elevated temperatures, 1.4828 is ideal for application where special emphasis is placed on mechanical properties.
Material Data Sheet
| Material Designation | 1.4828 |
|---|---|
| AISI/SAE | 309 |
| EN Material Symbol | X15CrNiSi20-12 |
| UNS | S 30900 |
Main fields of application of 1.4828
1.4828 is mainly used in the fields of industrial furnaces and apparatus for hardening boxes, annealing pots and annealing baskets.
Chemical composition of 1.4828
| C | Si | Mn | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|
| ≤ % | ≤ % | ≤ % | ≤ % | ≤ % | % | % | ≤ % |
| 0.2 | 1,5-2,0 | 2,0 | 0,045 | 0,015 | 19,0-21,0 | 11,0-13,0 | 0.11 |
Characteristics of 1.4828
| Temperature Range | Density kg/dm3 | Hardness HB |
|---|---|---|
| Heat resistance on air up to 1000°C | 7.9 | ≤ 223 |
Filler metal (for welding with 1.4828)
1.4829