Steel Structures · Hollow Sections
Steel Tubes
General-purpose black and galvanized steel tubes for structural and site use.
Steel Structure Products · Hollow Sections
Round steel tubes for posts, columns, handrails and structural members.
Product overview
Circular hollow sections (CHS) are round steel tubes with uniform strength in every direction. They are used as fence posts, columns, handrails, trusses, scaffolding-type structures and architectural members.
OGB supplies circular tubes in black and galvanized finish in a range of diameters and wall thicknesses.
In the field
Selection guide
| Size | Weight |
|---|---|
| 48.3 × 3.2 mm | 3.56 kg/m |
| 114.3 × 4.0 mm | 10.9 kg/m |
| 168.3 × 5.0 mm | 20.1 kg/m |
Weight = 0.02466 × t × (D − t) kg/m; checked against Tata Steel and Jindal tables.
Technical data
Share your required size, quantity and finish in the enquiry form and OGB confirms availability in writing.
Enquire about Circular Steel Tubes| Standards | EN 10219 / EN 10210 (structural); ASTM A500 |
|---|---|
| Outside diameter | 21.3 mm – 323.9 mm (½" – 12") |
| Wall thickness | About 2 mm – 10 mm (size dependent) |
| Grades | S235JRH, S275J0H, S355J2H |
| Lengths | 6 m and 12 m standard |
| Finish | Black, painted, pre-galvanized or hot-dip galvanized |
Free tools · No sign-up
Free calculator for sandwich panels, fencing, roofing sheets and steel weight. Change a number and the drawing and quantities update live. No prices, no sign-up.
Request a quotation
Share your drawings, bill of quantities or a simple list of items. OGB confirms sizes, finishes and availability and returns an itemised quotation.