ISO 23213
ISO 23213 (Carbon steel wire for bedding and seating springs)· ISO (International) · 6 materials
| Designation | Material group | |
|---|---|---|
| Type I | Structural and constructional steels | chevron_right |
| Type II | Structural and constructional steels | chevron_right |
| Type III | Structural and constructional steels | chevron_right |
| Type IV Grade A | Structural and constructional steels | chevron_right |
| Type IV Grade B | Structural and constructional steels | chevron_right |
| Type V | Structural and constructional steels | chevron_right |