France · AFNOR NF
1.552
NF EN 10263-4
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| B | 0.0008 | 0.005 | ||
| C | 0.15 | 0.2 | A carbon range of 0 | |
| Cr | 0.3 | Where a maximum content of 0 | ||
| Cu | 0.25 | |||
| Mn | 0.9 | 1.2 | ||
| P | 0.025 | |||
| S | 0.025 | |||
| Si | 0.3 | A lower silicon content or a specific silicon range may be agreed at the time of ordering. |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| bars, wire +U+C, > 10 <= 25 mm, steel bars | 650.00 | |||||
| bars, wire +U+C, > 5 <= 10 mm, steel bars | 660.00 | |||||
| bars, wire +U+C+AC, > 2 <= 5 mm, steel bars | 470.00 | |||||
| bars, wire +U+C+AC, > 5 <= 25 mm, steel bars | 460.00 | |||||
| bars, wire +U+C+AC+LC, > 2 <= 5 mm, steel bars | 510.00 | |||||
| bars, wire +U+C+AC+LC, > 5 <= 25 mm, steel bars | 500.00 | |||||
| bars, wire, hot rolled or , > 5 <= 25 mm, steel bars | 570.00 | |||||
| bars, wire +AC+C, > 10 <= 25 mm, steel bars | 560.00 | |||||
| bars, wire +AC+C, > 5 <= 10 mm, steel bars | 570.00 | |||||
| bars, wire, or , > 5 <= 25 mm, steel bars | 480.00 |
Heat treatment
| Type | 1 |
|---|---|
| Heat-treatment curve | Hardness-Tempering |
| Heat-treatment curve | Hardenability |