China · YB
C72D2
YB/T 170.4:2002 — Non-alloy wire rod for conversion to wire-part 4:Specific requirements for wire rod for special applications
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.01 | |||
| C | 0.7 | 0.74 | ||
| Cr | 0.1 | |||
| Cu | 0.15 | |||
| Mn | 0.5 | 0.7 | ||
| Mo | 0.03 | |||
| N | 0.007 | |||
| Ni | 0.1 | |||
| P | 0.02 | |||
| S | 0.025 | |||
| Si | 0.1 | 0.3 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| wire rod | 120 |