South Korea · KS
SPA-C
KS D 3542:2008 — Superior atmospheric corrosion resisting rolled steels
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.12 | |||
| Cr | 0.3 | 1.25 | ||
| Cu | 0.25 | 0.55 | ||
| Mn | 0.6 | For the steel over 6 mm in thickness | ||
| Ni | 0.65 | |||
| P | 0.07 | 0.15 | ||
| S | 0.035 | |||
| Si | 0.25 | 0.75 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| heavy plate, steel strip, sections | 315 | 450 | 26 |