BS31-1940 Tube

Uses: Made of high quanlity hot-dip rolled plate, uniform zinc coating, good finish, both the inside and outside wall’s surface are smooth, without spots and bubbles, strong corrosion resistance. Apply to lighting under damp climate, strong corrosive harsh environment, and wire protection installation of mechanical equipment.
Name Ordering Code Nominal Size (Inches) Outside Diameter (mm) Wall Thickness (mm) Thread Length (mm)
Minimum Maximum Minimum Maximum
BS31 Tube BS31-75 3/4 18.90 19.05 1.65±0.15 13.5 14.3
BS31-100 1 25.25 25.40 1.65±0.15 16.7 17.5
BS31-125 1-1/4 31.60 31.75 1.65±0.15 18.3 19.1
BS31-150 1-1/2 37.80 38.00 1.85±0.15 19.1 20.6
BS31-200 2 50.50 50.80 2.05±0.15 19.1 20.6
The pipe is usually delivered with length of 3.75m. It can also produced according to customer requirement. Inside weld height is not more than 0.3mm.