For forming the structure,”B” class galvanised tubes, Mild Steel with Epoxy Coated, Stainless Steel 304 & 316 are used in size of 1/2″, 1″, 1.1/4″, 1.1/2″ and 2″. Cut tubes are available in required length to form a standard size structure. Cut tubes are provided with rubber plug at both the ends.
Tube Size
|
NB Inches
|
NB mm
|
External Diameter
|
|
1/2″
|
15
|
19.5
|
|
1″
|
25
|
32.5
|
|
1.1/4″
|
30
|
41.5
|
|
1.1/2″
|
40
|
48.3
|
|
2″
|
50
|
60.3
|