HSS (hollow structural sections) refers to a metal profile that is hollow and tubular. This hollow structural tube (or HSS) is used as a structural element in buildings, bridges and other structures, and in a wide variety of manufactured products. It's produced in round, square and rectangular shapes in a broad range of sizes and gauges.

According to EN10219, EN10225, API and ASTM standards, in a wide range of geometries and wall thickness in HFW, HSAW and LSAW production, suitable for very demanding highly-stressed steel structures such as:

1. Road and Pedestrian Bridges

2. Roofs, Hangars and various Superstructures widely used in airports, stadiums, shopping malls etc.

3. Long-span and slender steel structures

4. Cranes, booms and masts

5. Earth-moving, agricultural & machinery equipment frameworks

6. Road, railway-car and trailer frames

7. Lighting and traffic-poles, road-sign frameworks

8. Jacket foundations for offshore OG & wind power

9. Offshore platform top-sides

10. Jack-up rig frameworks

11. Pile foundations