Fire-Trol Columns (Square Type SO)
UL RATED / FIREPROOFED COLUMNS
SQUARE SHELL (SO)
X106 2Hours X104 3Hours X101 4Hours
OD of Pipe Shell Size Wt. † Shell Size Wt. † Shell Size Wt. †
3 1/2" 6x6 23 7x7 31 8x8 39
4" 6x6 22 7x7 30 9x9 53
4 1/2" 7x7 28 8x8 37 9x9 52
5 1/2" 8x8 33 9x9 49 10x10 59
6 5/8" 9x9 44 10x10 55 11x11 51
8 5/8" 11x11 41 12x12 69 13x13 63
10 3/4" 13x13 50 14x14 63 15x15 76
12 3/4" 15x15 61 16x16 75 17x17 89

† Weight shown in pounds per foot for shell and fireproofing only.
All shell sizes are shown in inches.
Information available upon request for sizes other than shown.
Refer to latest edition of A.I.S.C. steel construction manual for allowable safe loads.

 

Concrete Filled Steel Pipe
ALLOWABLE SAFE LOAD IN KIPS*
Effective Length in Feet - KL with Respect to Radius of Gyration
OD of
Pipe		 Wall
Thickness		 Weight
per Ft.		 6 8 10 12 14 16 18 20 22 24 26
3 1/2" HW 0.216 15 45 40 32
XHW 0.300 17 58 49 39
XXHW 0.600 23 94 79 60
4" HW 0.226 20 58 53 45 36
XHW 0.318 22 75 66 56 46
 4 1/2" HW 0.237 24 73 66 59 51 41
XHW 0.337 27 93 86 76 65 52
XXHW 0.674 36 155 139 122 102
 5 1/2" HW 0.258 36 106 99 92 85 75 66 54
XHW 0.375 39 139 130 120 110 98 84 69
XXHW 0.750 52 230 215 198 178 156 132
 6 5/8" HW 0.280 49 144 139 132 123 114 104 93 81 68
XHW 0.432 56 197 188 178 166 153 140 125 109
XXHW 0.864 73 327 312 293 272 249 225 198 169
 8 5/8" HW 0.322 81 232 225 218 210 201 190 179 167 154 141 127
XHW 0.500 91 314 305 295 283 270 257 242 226 209 191 171
XXHW 0.875 111 475 460 444 425 404 383 359 334 307 278 248
 10 3/4" HW 0.365 123 342 336 328 320 311 300 289 277 264 251 237
XHW 0.500 133 423 415 406 394 383 370 356 342 326 309 291
 12 3/4" HW 0.375 169 442 437 429 421 412 402 391 380 368 355 341
XHW 0.500 178 534 526 517 507 496 484 470 457 442 426 409

* Load Tables Based on Fy=36ksi

 

Dean Lally L.P. / Fire-Trol Columns
420 Woodruff Road
Joliet, IL 60432
Toll Free: (800) 323-5514
Direct Phone: (815) 726-2007
FAX: (815) 726-2928