Germany · DIN
TStE 420
DIN 17102:1983 — DIN 17102
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.02 | If nitrogen is additionally fixed by niobium | If nitrogen is additionally fixed by niobium | |
| C | 0.2 | |||
| Cr | 0.3 | |||
| Cu | 0.2 | If Cu is added as an alloying element | If Cu is added as an alloying element | |
| Mn | 1 | 1.7 | ||
| Mo | 0.1 | |||
| Nb | 0.05 | |||
| Nb+Ti+V | 0.22 | |||
| Ni | 1 | |||
| P | 0.03 | |||
| S | 0.025 | |||
| Si | 0.1 | 0.6 | ||
| Ti | If Ti is added as an alloying element | If Ti is added as an alloying element | ||
| V | 0.2 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| bars, sections 100 < t ≤ 125mm, hot rolled, flats | 355 | 500 650.00 | 19 | |||
| bars, sections 125 < t ≤ 150mm, hot rolled, flats | 345 | 490 640.00 | 19 | |||
| bars, sections 16 < t ≤ 35mm, hot rolled, flats | 410 | 530 680.00 | 19 | |||
| bars, sections 35 < t ≤ 50mm, hot rolled, flats | 400 | 530 680.00 | 19 | |||
| bars, sections 50 < t ≤ 60mm, hot rolled, flats | 390 | 530 680.00 | 19 | |||
| bars, sections 60 < t ≤ 70mm, hot rolled, flats | 385 | 530 680.00 | 19 | |||
| bars, sections 70 < t ≤ 85mm, hot rolled, flats | 375 | 520 670.00 | 19 | |||
| bars, sections 85 < t ≤ 100mm, hot rolled, flats | 365 | 510 660.00 | 19 | |||
| bars, sections t ≤ 16mm, hot rolled, flats | 420 | 530 680.00 | 19 |