Circular hollow sections are used as columns and braces in portal frame structures. Hot rolled CHSs are made as one piece, whereas cold formed CHSs are formed from a flat sheet rolled at a radius and welded, hence the weld running along its full length.
114.3 x 5 CHS – means it has a diameter of 114.3 mm and the wall is 5 mm thick.
| Type | Weight [kg/m] | Diameter [mm] | Wall thickness [mm] |
|---|---|---|---|
| 21.3 x 3.2 CHS | 1,4 | 21,3 | 3,2 |
| 26.9 x 3.2 CHS | 1,9 | 26,9 | 3,2 |
| 33.7 x 2.6 CHS | 2,0 | 33,7 | 2,6 |
| 33.7 x 3.2 CHS | 2,4 | 33,7 | 3,2 |
| 33.7 x 4 CHS | 2,9 | 33,7 | 4 |
| 42.4 x 2.6 CHS | 2,6 | 42,4 | 2,6 |
| 42.4 x 3.2 CHS | 3,1 | 42,4 | 3,2 |
| 42.4 x 4 CHS | 3,8 | 42,4 | 4 |
| 48.3 x 3.2 CHS | 3,6 | 48,3 | 3,2 |
| 48.3 x 4 CHS | 4,4 | 48,3 | 4 |
| 48.3 x 5 CHS | 5,3 | 48,3 | 5 |
| 60.3 x 3.2 CHS | 4,5 | 60,3 | 3,2 |
| 60.3 x 4 CHS | 5,6 | 60,3 | 4 |
| 60.3 x 5 CHS | 6,8 | 60,3 | 5 |
| 76.1 x 3.2 CHS | 5,8 | 76,1 | 3,2 |
| 76.1 x 4 CHS | 7,1 | 76,1 | 4 |
| 76.1 x 5 CHS | 8,8 | 76,1 | 5 |
| 88.9 x 3.2 CHS | 6,8 | 88,9 | 3,2 |
| 88.9 x 4 CHS | 8,4 | 88,9 | 4 |
| 88.9 x 5 CHS | 10,3 | 88,9 | 5 |
| 114.3 x 3.6 CHS | 9,8 | 114,3 | 3,6 |
| 114.3 x 5 CHS | 13,5 | 114,3 | 5 |
| 114.3 x 6.3 CHS | 16,8 | 114,3 | 6,3 |
| 139.7 x 5 CHS | 16,6 | 139,7 | 5 |
| 139.7 x 6.3 CHS | 20,7 | 139,7 | 6,3 |
| 139.7 x 8 CHS | 26,0 | 139,7 | 8 |
| 139.7 x 10 CHS | 32,0 | 139,7 | 10 |
| 168.3 x 5 CHS | 20,1 | 168,3 | 5 |
| 168.3 x 6.3 CHS | 25,2 | 168,3 | 6,3 |
| 168.3 x 8 CHS | 31,6 | 168,3 | 8 |
| 168.3 x 10 CHS | 39,0 | 168,3 | 10 |
| 193.7 x 5 CHS | 23,3 | 193,7 | 5 |
| 193.7 x 5.4 CHS | 25,1 | 193,7 | 5,4 |
| 193.7 x 6.3 CHS | 29,1 | 193,7 | 6,3 |
| 193.7 x 8 CHS | 36,6 | 193,7 | 8 |
| 193.7 x 10 CHS | 45,3 | 193,7 | 10 |
| 193.7 x 12.5 CHS | 55,9 | 193,7 | 12,5 |
| 193.7 x 16 CHS | 70,1 | 193,7 | 16 |
| 219.1 x 5 CHS | 26,4 | 219,1 | 5 |
| 219.1 x 6.3 CHS | 33,1 | 219,1 | 6,3 |
| 219.1 x 8 CHS | 41,6 | 219,1 | 8 |
| 219.1 x 10 CHS | 51,6 | 219,1 | 10 |
| 219.1 x 12.5 CHS | 63,7 | 219,1 | 12,5 |
| 219.1 x 16 CHS | 80,1 | 219,1 | 16 |
| 219.1 x 20 CHS | 98,2 | 219,1 | 20 |
| 244.5 x 6.3 CHS | 37,0 | 244,5 | 6,3 |
| 244.5 x 8 CHS | 46,7 | 244,5 | 8 |
| 244.5 x 10 CHS | 57,8 | 244,5 | 10 |
| 244.5 x 12.5 CHS | 71,5 | 244,5 | 12,5 |
| 244.5 x 16 CHS | 90,2 | 244,5 | 16 |
| 244.5 x 20 CHS | 111,0 | 244,5 | 20 |
| 273 x 6.3 CHS | 41,4 | 273 | 6,3 |
| 273 x 8 CHS | 52,3 | 273 | 8 |
| 273 x 10 CHS | 64,9 | 273 | 10 |
| 273 x 12.5 CHS | 80,3 | 273 | 12,5 |
| 273 x 16 CHS | 101,0 | 273 | 16 |
| 273 x 20 CHS | 125,0 | 273 | 20 |
| 273 x 25 CHS | 153,0 | 273 | 25 |
| 323.9 x 6.3 CHS | 49,3 | 323,9 | 6,3 |
| 323.9 x 8 CHS | 62,3 | 323,9 | 8 |
| 323.9 x 10 CHS | 77,4 | 323,9 | 10 |
| 323.9 x 12.5 CHS | 96,0 | 323,9 | 12,5 |
| 323.9 x 16 CHS | 121,0 | 323,9 | 16 |
| 323.9 x 20 CHS | 150,0 | 323,9 | 20 |
| 323..9 x 25 CHS | 184,0 | 323,9 | 25 |
| 355.6 x 8 CHS | 68,6 | 355,6 | 8 |
| 355.6 x 10 CHS | 85,2 | 355,6 | 10 |
| 355.6 x 12.5 CHS | 106,0 | 355,6 | 12,5 |
| 355.6 x 16 CHS | 134,0 | 355,6 | 16 |
| 355.6 x 20 CHS | 166,0 | 355,6 | 20 |
| 355.6 x 25 CHS | 204,0 | 355,6 | 25 |
| 406.4 x 10 CHS | 97,8 | 406,4 | 10 |
| 406.4 x 12.5 CHS | 121,0 | 406,4 | 12,5 |
| 406.4 x 16 CHS | 154,0 | 406,4 | 16 |
| 406 x 20 CHS | 191,0 | 406,4 | 20 |
| 406.4 x 25 CHS | 235,0 | 406,4 | 25 |
| 406.4 x 32 CHS | 295,0 | 406,4 | 32 |
| 457 x 10 CHS | 110,0 | 457 | 10 |
| 457 x 12.5 CHS | 137,0 | 457 | 12,5 |
| 457 x 16 CHS | 174,0 | 457 | 16 |
| 457 x 20 CHS | 216,0 | 457 | 20 |
| 457 x 25 CHS | 266,0 | 457 | 25 |
| 457 x 32 CHS | 335,0 | 457 | 32 |
| 457 x 40 CHS | 411,0 | 457 | 40 |
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