.
   
     
Pipes
Sizes
Thickness
21.3mm (0.5")
0.9mm to 2mm
 
26.3mm (0.75")
0.9mm to 2mm
 
33.3mm (1")
1.0mm to 2mm
 
42.3mm (1.25")
1.0mm to 2mm
 
48.3mm (1.5")
1.0mm to 4mm
 
60.3mm (2")
1.2mm to 4mm
 
76.3mm (2.5")
1.5mm to 4mm
 
89.3mm (3")
1.5mm to 4mm
 
Circular ERW MS
and GI Pipes
114.3mm (4")
1.8mm to 4mm
 
BS 1387-1985
     
SS 400 / ASTM A36