China · CNS
B4
CNS G 3060 — High carbon chromium bearing steels（equal CNS 3014）
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.05 | |||
| C | 0.93 | 1.05 | ||
| Cr | 1.4 | 1.65 | ||
| Cu | 0.3 | |||
| Mn | 1.4 | 1.7 | ||
| Mo | 0.1 | |||
| O | 0.002 | |||
| P | 0.025 | |||
| S | 0.015 | |||
| Si | 0.45 | 0.75 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| bars, wire +AC, HB, steel tubes | 钢棒 | |||||
| bars, HB, steel tubes, wire | 钢环 |