Scaffolding Tubes
Product definition:
Product under this category supplied only in HR (Black) & Galvanized type.
Under this category tubes are supplied with mainly 3.2mm and 4.0mm thickness with standard specification EN 39
SCAFFOLDING TUBES EN 39:
| Tube | Nominal Value (Type 4) | Nominal Value (Type 3) | Tolerances | Pieces per Bundles |
|---|---|---|---|---|
| Wall thickness | 4 | 3.2 | -10% | 36 |
| Outside diameter(mm) (Including Ovality) | 48.3 | 48.3 | ± 0.5 mm | 36 |
| Inside diameter, (mm) | 40.3 | 41.9 | 36 | |
| Mass (Kg/m) | 4.37 | 3.56 | -7.50% | 36 |
Chemical Proprties: :
| Steel Grade name | Steel Grade number | % C (max) | % Si (max) | % Mn (max) | % P (max) | % S (max) | % AL (min) |
|---|---|---|---|---|---|---|---|
| S235GT | 1.0106 | 0.2 | a,b | 1.4 | 0.040 | 0.045 | 0.020 |
a. ≤ 0.05 % (range1) (≤ 0.04 % if the orfer specified the Si content shall be limted) or ≥ .015 ≤ 0.25
b. When bare tubes are specified the range shall be reported at the time of enquiry and order
Mechanical Proprties:
| Steel Grade name | Steel Grade number | Yield strength ''Reh'' min MPa | Tensile strength ''Rm'' MPa | Elongation ''A'' min % |
|---|---|---|---|---|
| S235GT | 1.0106 | 235 | 340/520 | 24 |
Note:
*The inside diameter of tubes shall allow insertion of a gauge of diameter 37.7 mm for a minimum length of 200mm*