Definition: hollow cylinder or tube used to conduct a liquid, gas, or finely divided solid.
Sizes:
Outer diameter: 1/2-8 Inch.
Thickness: 1.5-6.25mm.
Length: 1-12m.
Standards: JIS G3444, GB/T 3091, ASTM A53, BS EN 39, BS EN 10255 and BS 1387 class A1, A, B, C.
Usages: scaffolding, fluid convey, fence, structure, EMT and water pipe.