United Kingdom · Lloyds
LR 1Cr0.5Mo
-- — -
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionCreep properties
- 100000.0h
Temperature °C · time at rupture
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.02 | |||
| C | 0.1 | 0.18 | ||
| Cr | 0.7 | 1.1 | ||
| Cu | 0.25 | |||
| Mn | 0.4 | 0.7 | ||
| Mo | 0.45 | 0.65 | ||
| Ni | 0.3 | |||
| P | 0.04 | |||
| S | 0.04 | |||
| Si | 0.1 | 0.35 | ||
| Sn | 0.03 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| seamless or welded steel tube, normalized | ≥275 | 440–590 | ≥22 |
Creep
1.铸造 Steel Castings
| Temperature ℃ | Time h | CRS |
|---|---|---|
| 470 | 100000.0h | 236.0 |
| 480 | 100000.0h | 186.0 |
| 490 | 100000.0h | 148.0 |
| 500 | 100000.0h | 120.0 |
| 510 | 100000.0h | 100.0 |
| 520 | 100000.0h | 84.0 |
| 530 | 100000.0h | 70.0 |
| 540 | 100000.0h | 58.0 |