D 3780
D 3780 (High tensile strength steel tubes for tower structural purposes)· KS (Korea) · 4 materials
| Designation | Material group | |
|---|---|---|
| STKT 540 | Structural and constructional steels | chevron_right |
| STKT 55 | Structural and constructional steels | chevron_right |
| STKT 590 | Structural and constructional steels | chevron_right |
| STKT 60 | Structural and constructional steels | chevron_right |