Longitudinally welded smooth tubes made of steels of grades 11 and 12. External diameter up to 152 mm. Dimensions
STANDARD published on 1.5.1975
Designation standards: STN 425723
Classification mark: 425723
Catalog number: 62837
Publication date standards: 1.5.1975
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Slovak technical standard
Category: Technical standards STN