1--Spiral tube

2--OD 219mm-1820mm

3--material: ST37 A53

4--Wall thickness 6-20mm

5--Length: 5.8m 6m 7m and we also can take it according to customers' requirement

--channel hot rolled steel channel

Size: Height 50-320mm

Length: 50-80mm height, 6mtrs

            100-180mm height,9mtrs

Packing : in bundles

Others: as well as Chinese standard size, we can also provide unique sizes which are slight different in width, thickness and theoretecal weight in order to meet different demands on construction.

6--Packing: in bundles, black vamished, bevelled ends, plastic caps