STAS 715-2
STAS 715-2 (Seamless steel tubes. Seamless plain end tubes and line pipes for the petroleum industry)· STAS (Romania) · 3 materials
| Designation | Material group | |
|---|---|---|
| A | Structural and constructional steels | chevron_right |
| A 25 | Structural and constructional steels | chevron_right |
| B | Structural and constructional steels | chevron_right |