Sweden · SS
1.6368
SS EN 10216-2
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionHigh / low temperature
value vs. temperature- Seamless tubes normalized and tempered +NT t <= 80 mm · Yield strength Rp0.2
Creep properties
- 10000.0h
- 100000.0h
Temperature °C · time at rupture
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.05 | |||
| C | 0.17 | |||
| Cr | 0.3 | |||
| Cu | 0.5 | 0.8 | ||
| Mn | 0.8 | 1.2 | ||
| Mo | 0.25 | 0.5 | ||
| Nb | 0.015 | 0.045 | ||
| Ni | 1 | 1.3 | ||
| P | 0.025 | |||
| S | 0.02 | |||
| Si | 0.25 | 0.5 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Seamless tubes +N, T <= 100 mm | ≥440 | 610–780 | ≥19 For long. direction; A >= 17 % for trans. direction | ≥40 Charpy V Notch |
High/low temperature
| Condition | Temperature ℃ | min |
|---|---|---|
| Seamless tubes normalized and tempered +NT t <= 80 mm | 450 | 304 |
| Seamless tubes normalized and tempered +NT t <= 80 mm | 400 | 343 |
| Seamless tubes normalized and tempered +NT t <= 80 mm | 350 | 373 |
| Seamless tubes normalized and tempered +NT t <= 80 mm | 300 | 382 |
| Seamless tubes normalized and tempered +NT t <= 80 mm | 250 | 392 |
| Seamless tubes normalized and tempered +NT t <= 80 mm | 200 | 402 |
| Seamless tubes normalized and tempered +NT t <= 80 mm | 150 | 412 |
| Seamless tubes normalized and tempered +NT t <= 80 mm | 100 | 422 |
Creep
| Temperature ℃ | Time h | Rp1 | CRS |
|---|---|---|---|
| 400 | 10000.0h | 324.0 | 402.0 |
| 400 | 100000.0h | 294.0 | 373.0 |
| 410 | 10000.0h | 315.0 | 385.0 |
| 410 | 100000.0h | 279.0 | 349.0 |
| 420 | 10000.0h | 306.0 | 368.0 |
| 420 | 100000.0h | 263.0 | 325.0 |
| 430 | 10000.0h | 295.0 | 348.0 |
| 430 | 100000.0h | 245.0 | 300.0 |
| 440 | 10000.0h | 281.0 | 328.0 |
| 440 | 100000.0h | 227.0 | 273.0 |
| 450 | 10000.0h | 265.0 | 304.0 |
| 450 | 100000.0h | 206.0 | 245.0 |
| 460 | 10000.0h | 239.0 | 274.0 |
| 460 | 100000.0h | 180.0 | 210.0 |
| 470 | 10000.0h | 212.0 | 242.0 |
| 470 | 100000.0h | 151.0 | 175.0 |
| 480 | 10000.0h | 180.0 | 212.0 |
| 480 | 100000.0h | 120.0 | 139.0 |
| 490 | 10000.0h | 145.0 | 179.0 |
| 490 | 100000.0h | 84.0 | 104.0 |
| 500 | 10000.0h | 108.0 | 147.0 |
| 500 | 100000.0h | 49.0 | 69.0 |
Heat treatment
| Type | 1 |
|---|---|
| Heat-treatment curve | CCT |
| Heat-treatment curve | TTT |