China · YB
08F
YB/T 5059:2013 — Cold-rolled low carbon steel strips
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.05 | 0.11 | ||
| Cr | 0.1 | |||
| Cu | 0.25 | |||
| Mn | 0.25 | 0.5 | ||
| Ni | 0.3 | |||
| P | 0.035 | |||
| S | 0.035 | |||
| Si | 0.03 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| steel strip, H | 490–785 | HV 140–230 | ||||
| steel strip, H1/4 | 410–540 | ≥4 | HV 125–172 | |||
| steel strip, S | 325–440 | ≥20 | HV ≤130 | |||
| steel strip, S1 | 370–490 | ≥10 | HV 105–155 | |||
| steel strip, S2 | 275–390 | ≥30 | HV ≤105 |