Load Capacity Data
The tables below give the size of the compression strut required, based on the strut length and the load capacity required by your design.
Carbon Steel
Table 1 - Carbon steel tubes: BS EN10210-1 Grade S355JR
Fork/Bar Sizes | M12 | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 | M64 | M76 | M90 | M100 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CHS Size (Dia x t mm) | 33.7 x 4 | 42.4 x 4 | 48.3 x 5 | 60.3 x 5 | 76.1 x 5 | 88.9 x 5 | 114.3 x 6.3 | 139.7 x 10 | 168.3 x 10 | 193.7 x 10 | 244.5 x 16 | 273 x 16 | 323.9 x 16 | |
S1 (m) | P -- Design Resistance in kN | |||||||||||||
1.5 | 8 | 25 | 45 | 74 | 127 | 216 | 306 | 426 | 600 | 837 | 1207 | 1807 | 2376 | |
2 | 17 | 29 | 56 | 127 | 216 | 306 | 426 | 600 | 837 | 1207 | 1807 | 2376 | ||
2.5 | 13 | 22 | 40 | 98 | 202 | 306 | 426 | 600 | 837 | 1207 | 1807 | 2376 | ||
3 | 10 | 18 | 31 | 74 | 153 | 306 | 426 | 600 | 837 | 1207 | 1807 | 2376 | ||
3.5 | 15 | 26 | 60 | 122 | 244 | 426 | 600 | 837 | 1207 | 1807 | 2376 | |||
4 | 13 | 22 | 51 | 102 | 199 | 359 | 600 | 837 | 1207 | 1807 | 2376 | |||
4.5 | 12 | 20 | 44 | 88 | 168 | 300 | 560 | 837 | 1207 | 1807 | 2376 | |||
5 | 10 | 17 | 39 | 78 | 146 | 258 | 480 | 781 | 1207 | 1807 | 2376 | |||
5.5 | 16 | 35 | 66 | 129 | 226 | 416 | 683 | 1207 | 1807 | 2376 | ||||
6 | 14 | 32 | 55 | 116 | 201 | 367 | 600 | 1194 | 1807 | 2376 | ||||
6.5 | 13 | 29 | 47 | 106 | 182 | 328 | 532 | 1074 | 1783 | 2376 | ||||
7 | 11 | 24 | 40 | 97 | 166 | 297 | 478 | 965 | 1624 | 2376 | ||||
7.5 | 10 | 21 | 35 | 90 | 154 | 272 | 434 | 872 | 1475 | 2376 | ||||
8 | 18 | 30 | 82 | 143 | 251 | 398 | 793 | 1342 | 2226 | |||||
8.5 | 16 | 27 | 72 | 133 | 233 | 368 | 727 | 1226 | 2062 | |||||
9 | 14 | 23 | 64 | 125 | 218 | 342 | 670 | 1126 | 1908 | |||||
9.5 | 12 | 21 | 57 | 118 | 205 | 320 | 623 | 1041 | 1767 | |||||
10 | 11 | 18 | 51 | 112 | 194 | 301 | 582 | 968 | 1640 | |||||
11 | 9 | 15 | 41 | 101 | 175 | 270 | 515 | 849 | 1429 | |||||
12 | 12 | 34 | 93 | 159 | 245 | 464 | 759 | 1265 | ||||||
S3 (mm) max | 50 | 50 | 50 | 75 | 100 | 100 | 100 | 125 | 125 | 175 | 200 | 225 | 250 |
Stainless Steel
Table 2 - Stainless steel tubes in grade 316 to BS EN10296 – min. Yield Stress of 230 N/mm2
Fork/Bar Sizes | M12 | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 |
---|---|---|---|---|---|---|---|---|---|
CHS Size (Dia x t mm) | 33.7 x 4 | 42.4 x 4 | 48.3 x 5 | 60.3 x 5 | 76.1 x 5 | 88.9 x 5 | 114.3 x 6.3 | 139.7 x 10 | 168.3 x 10 |
S1 (m) | P --- Design Resistance in kN | ||||||||
1.5 | 6 | 18 | 39 | 78 | 159 | 270 | 382 | 426 | 772 |
2 | 12 | 26 | 48 | 123 | 261 | 382 | 426 | 772 | |
2.5 | 10 | 19 | 35 | 84 | 178 | 382 | 426 | 772 | |
3 | 16 | 27 | 65 | 133 | 287 | 400 | 772 | ||
3.5 | 13 | 23 | 53 | 107 | 222 | 388 | 772 | ||
4 | 12 | 20 | 45 | 90 | 181 | 327 | 636 | ||
4.5 | 10 | 17 | 39 | 78 | 154 | 275 | 523 | ||
5 | 16 | 35 | 67 | 134 | 237 | 441 | |||
5.5 | 14 | 32 | 55 | 119 | 208 | 381 | |||
6 | 12 | 27 | 45 | 108 | 187 | 336 | |||
S3 (mm) max | 50 | 50 | 50 | 75 | 100 | 100 | 100 | 125 | 125 |
The data supplied is appropriate for inclusion in your design calculations
Partial factors
The allowable loads refer to the minimum design resistance in KN, calculated using the UK National Annex, material and Load Factors.
Partial factors for design of building members/sections EN1993-1-1
YM0 | YM1 | YM2 | YM3 | YM4 | YM5 | YM6 | YM7 |
1.00 | 1.00 | 1.10 | 1.25 | 1.10 | 1.00 | 1.00 | 1.00 |
Partial factors for design of building connections/joints EN1993-1-8
YM0 | YM1 | YM2 | YM3 | YM4 | YM5 | YM6 | YM6,ser | YM7 |
1.00 | 1.00 | 1.25 | 1.25 | 1.10 | 1.00 | 1.00 | 1.00 | 1.10 |
Daver Steels Structural Design Service
Daver Steels offer a structural design service for our compression struts when incorporated to your structural design. This is supplied with certification, verified by a third party consultant engineer. Please enquire for a quotation.