China · Wugang Q/WTB
WDB620E
WJX 044:2011 — WJX 044
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| B | 0.003 | |||
| C | 0.07 | |||
| Cr | 0.3 | |||
| Cu | 0.3 | |||
| Mn | 1 | 1.6 | ||
| Mo | 0.3 | |||
| Nb | 0.08 | |||
| Ni | 0.3 | |||
| P | 0.02 | |||
| S | 0.01 | |||
| Si | 0.15 | 0.4 | ||
| V | 0.08 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| steel plates, TMCP+tempered, 8 <= t <= 30mm, t | ≥490 | 620–750 | ≥17 |
High/low temperature
| Condition | Temperature ℃ | min |
|---|---|---|
| steel plates TMCP+ tempered 8 <= t <= 30mm t | -40 | 34 |