Germany · DIN
TStE 355
DIN 17103:1989 — DIN 17103
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.02 | |||
| C | 0.18 | |||
| Cr | 0.3 | |||
| Cr+Cu+Mo | 0.45 | |||
| Cu | 0.2 | |||
| Mn | 0.9 | 1.65 | ||
| Mo | 0.08 | |||
| N | 0.02 | |||
| Nb | 0.05 | |||
| Ni | 0.3 | |||
| P | 0.03 | |||
| S | 0.025 | |||
| Si | 0.1 | 0.5 | ||
| V | 0.1 | |||
| V+Nb | 0.12 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| forgings, 100 < d <= 150 mm | ≥315 | 470–630 | ≥21；≥23 | ≥39 ISO V-Notch acc. to DIN 50115；≥63 ISO V-Notch acc. to DIN 50115 | ||
| forgings, 150 < d <= 375 mm | ≥295 | 470–630 | ≥19；≥21 | ≥39 ISO V-Notch acc. to DIN 50115；≥63 ISO V-Notch acc. to DIN 50115 | ||
| forgings, 375 < d <= 600 mm | ≥275 | 470–630 | ≥19；≥21 | ≥39 ISO V-Notch acc. to DIN 50115；≥63 ISO V-Notch acc. to DIN 50115 | ||
| forgings, 50 < d <= 100 mm | ≥335 | 490–630 | ≥21；≥23 | ≥39 ISO V-Notch acc. to DIN 50115；≥63 ISO V-Notch acc. to DIN 50115 | ||
| forgings, d <= 50 mm | ≥355 | 490–630 | ≥21；≥23 | ≥39 ISO V-Notch acc. to DIN 50115；≥63 ISO V-Notch acc. to DIN 50115 |