Fire-Trol Fire Proof Columns (Type RR)


UL RATED FIREPROOFED COLUMNS
OD of
Tubing

 

X106 - 2 Hour X104 - 3 Hour X101 - 4 Hour
Shell Size Wt. † Shell Size Wt. † Shell Size Wt. †
4x2 6½x4½ 15 7½x5½ 20 8½x6½ 27
4x3 7x5 22 7x6 19 8X7 30
5x3 7x5 21 8x6 28 9x7 42
6x3 8x5 17 9x6 23 10x7 30
6x4 8x6 25 9x7 38 10x8 42
7x5 9x7 34 10x8 38 11x9 37
8x4 10x6 29 11x7 28 12x8 54
8x6 10x8 32 11x9 32 12x10 43
10x6 12x8 43 13x9 37 14x10 48

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 Tubing
ALLOWABLE SAFE LOAD IN KIPS**
OD of
Pipe Tubing
Wall
Thickness

Weight
per Ft.

Effective Length in Feet - KL with Respect to Radius of Gyration
6 8 10 12 14 16 18 20 22 24
4x2 1/4 14 43 27
4x3  1/4 19 73 60 45
5x3  1/4 23 89 74 57
6x3  1/4 27 102 87 67 46
6x4  1/4 35 130 119 106 89 73
 3/8 39 176 158 140 117 92
 7x5  1/4 48/ 173 163 151 137 123 105 86 67
 3/8 54 232 218 201 182 160 137 111
1/2 58 289 270 248 223 196 165 131
8x4  1/4 45 163 147 131 112 89 66
 3/8 51 219 199 176 148 118
 1/2 57 274 247 215 181 142
8x6  1/4 64 217 208 196 184 170 155 138 120 100 80
 3/8 70 291 278 262 245 226 204 181 157 130
 1/2 77 361 345 325 303 277 250 221 191 156
10x6  1/4 78 255 244 232 217 202 183 164 144 121 97
 3/8 86 341 326 309 289 277 243 217 189 159
 1/2 93 424 405 381 356 328 298 264 230 191

* Load Tables Based on Fy=46ksi