TECHNICAL DATA FOR METAL SCAFFOLDING AS PER SPECIFICATION BS EN 39 : 2001

 

Outside Diameter		Thickness		Weight per unit length
Inches	mm	Inches	mm	lbs/foot	kg / m
1.1/2	48.3	0.126	3.2	2.392	3.56
1.1/2	48.3	0.157	4.0	2.937	4.37

 
TOLERANCES

Outside Diameter	Thickness	Weight
+ 0.5mm	-10%	-7.5% On Single Tube

 

STEEL GRADE : S235GT

CHEMICAL COMPOSITION
 

% C (Max)	% Si (Max)	% Mn (Max)	% P (Max)	% S (Max)	% Al  (Max)
0.20	0.05	1.40	0.040	0.045	0.020

 

 MECHANICAL PROPERTIES

YIELD STRENGTH : 235 MPa (Min)
TENSILE STRENGTH : 340-520 MPa
ELONGATION : 24% (Min) on Gauge Length
                            5.65 x Sq. Root of Cross Sectional Area

END FINISH : Square Cut

STRAIGHTNESS : 1 mm in 500 mm length.

FLATTENING TEST

1. For Weld Test : Flatten upto 75% of Original Tube OD
2. For Material other than Weld : Flatten upto 60% of Original Tube OD

ZINC COATING : 40 Microns Minimum Outside

MARKING :  "EN 39 AJSP 3"   for 3.2mm
                     "EN 39 AJSP 4"   for 4.0mm

DELIVERY CONDITIONS

1. As Rolled Condition (Without Protection)
2. Hot Dip Galvanized