How much is 4 inches steel tube MM?
The standard wall thickness is 4mm, so the outer diameter is 114mm.
Seamless root weight per meter: 1 mm (diameter - thickness) * wall thickness of *0.02466*1 meters is? Normal KG/M pipe length 8-11rice
The nominal diameter of the 4 inch steel pipe is DN100, that is to say, the diameter of the center of the pipe wall is 100mm.
1 inches =25.4 mm;4 inches =101.6 mm;The specification of steel pipe is usually nominal size;
