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)TolerancesPieces per Bundles
Wall thickness43.2-10%36
Outside diameter(mm) (Including Ovality)48.348.3± 0.5 mm36
Inside diameter, (mm)40.341.9 36
Mass (Kg/m)4.373.56-7.50%36


Chemical Proprties: :

Steel Grade name Steel Grade number % C
(max)
% Si
(max)
% Mn
(max)
% P
(max)
% S
(max)
% AL
(min)
S235GT1.01060.2a,b1.40.0400.0450.020

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 nameSteel Grade numberYield strength ''Reh'' min MPaTensile strength ''Rm'' MPaElongation ''A'' min %
S235GT1.0106235340/52024

Note:

*The inside diameter of tubes shall allow insertion of a gauge of diameter 37.7 mm for a minimum length of 200mm*