04 · Structural Sections
Open sections, bars and cold-formed sections
Imperial values are converted from metric; section and sheet designations stay metric.
04
Structural Sections
Hollow and open hot-rolled sections plus cold-formed profiles for frames, subframes, canopies and secondary steel.
ST-OSOpen Sections & Bars
Hot-rolled angles, channels, beams, flats and bars.
Grades S235JR / S275JR / S355JR (EN 10025-2) · ASTM A36 / A572 / A992
| Equal angle | EN 10056-1 | 20×20×3 – 200×200×24 |
|---|---|---|
| Unequal angle | EN 10056-1 | 30×20×3 – 200×150×18 |
| UPN channel | DIN 1026-1 · EN 10279 | UPN 50 – UPN 400 |
| UPE channel | DIN 1026-2 | UPE 80 – UPE 400 |
| PFC | BS 4-1 | 100×50 – 430×100 |
| IPE beam | EN 10365 | IPE 80 – IPE 600 |
| HEA / HEB | EN 10365 | 100 – 1000 |
| UB / UC | BS 4-1 | UB 127×76 – 914×419 · UC 152 – 356 |
| W shapes | ASTM A6 | W4 – W44 |
| Flat bar | EN 10058 | 12×3 – 150×50 |
| Round / square bar | EN 10060 · EN 10059 | Ø6 – 200 · 6 – 100 |
ST-CFCold-Formed Sections
C, Z and top-hat profiles for canopies, purlins and secondary framing.
- Profiles
- C · Z · sigma · top-hat · angle
- Depth
- 100–300 mm3.94–11.8 in
- Material
- S350GD+ · HR S235–S355
- Thickness
- 1.5–3.0 mm0.059–0.118 in
SPECIFY ASST-OS · S275JR · UPN 100 · EN 10025-2 · DIN 1026-1 · black · 12.0 m · EN 10204 3.1 · 3.5 t
Hot-dip zinc coating of 275 g/m² total on both sides (EN 10346); equivalent to G90 in ASTM A653.