.
   
     
Tubes
Sizes
Thickness

20mm x 20mm
0.8mm to 2mm
 
25mm x 25mm
1mm to 2mm
 
30mm x 30mm
1mm to 2mm
 
40mm x 40mm
1mm to 2mm
 
50mm x 50mm
1mm to 2mm
 
60mm x 60mm
1.2mm to 4mm
 
75mm x 75mm
1.4mm to 4mm
 
100mm x 100mm
2mm to 4mm
 
Square Tubes
 
BS 1387-1985
 
SS 400 / ASTM A36
 

40mm x 20mm
1mm to 2mm
 
50mm x 25mm
1mm to 2mm
 
60mm x 30mm
1mm to 2mm
 
80mm x 40mm
1.2mm to 4mm
 
100mm x 50mm
1.5mm to 4mm
 
     
     
Rectangular Tubes      
BS 1387-1985
 
SS 400 / ASTM A36