United Kingdom · B.S.
3/1
BS 3111-1:2001 — BS 3111-1
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.35 | 0.4 | ||
| Cr | 0.9 | 1.2 | ||
| Mn | 0.7 | 0.9 | ||
| P | 0.035 | |||
| S | 0.035 | |||
| Si | 0.15 | 0.4 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Wires;5 ≤ d < 10 mm +C | ≤750 | |||||
| Wires;d > 10 mm +D | ≤680 | |||||
| Wires +A | ≤600 | |||||
| Wires +B | ≤670 |