SANS 657-4
SANS 657-4 (Steel tubes for non-pressure purposes Part 4: Steel tubes of round, oval, square and rectangular section for furniture)· SANS (South Africa) · 3 materials
| Designation | Material group | |
|---|---|---|
| SANS 657 Grade 230 | Structural and constructional steels | chevron_right |
| SANS 657 Grade 250 | Structural and constructional steels | chevron_right |
| SANS 657 Type 304 | Stainless steels | chevron_right |