France · AFNOR NF
C 90 RR
NF A36-102 — Iron and steel products. Hot-rolled non alloy mild steel strip for subsequent working.
Chemical composition
wt% · log scale- min – max range
- typical value
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.03 | |||
| C | 0.85 | 0.95 | ||
| Cr | 0.3 | |||
| Mn | 0.4 | 0.7 | ||
| Mo | 0.1 | |||
| Ni | 0.4 | |||
| P | 0.025 | |||
| S | 0.02 | |||
| Si | 0.15 | 0.35 |
Heat treatment
| Type | 1 |
|---|---|
| Heat-treatment curve | Hardness-Tempering |
| Heat-treatment curve | TTT |