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HSS beam_load_tables_brochure - Pirate4x4.Com

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<strong>HSS</strong> Beam Load Tables<br />

Square Structural Steel Tubing<br />

Total Allowable Uniform Load in Kips for Beams with Lateral Support<br />

Fy=50<br />

y<br />

x<br />

x<br />

y<br />

SAW<br />

Nominal Size<br />

20 X 20<br />

Nominal Size<br />

18 X 18<br />

Wall Thickness<br />

Weight Per Foot<br />

5/8<br />

∆<br />

1/2<br />

∆<br />

3/8<br />

157.75 Inches 129.06 Inches 98.12<br />

0.625 0.500 * 0.375 *<br />

∆<br />

Inches<br />

Wall Thickness<br />

Weight Per Foot<br />

5/8<br />

∆<br />

1/2<br />

∆<br />

3/8<br />

140.73 Inches 115.45 Inches 87.91<br />

0.625 0.500 0.375 *<br />

∆<br />

Inches<br />

Design Wall Thickness<br />

Design Wall Thickness<br />

Span in Feet<br />

5<br />

6<br />

7<br />

8<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

16<br />

17<br />

18<br />

19<br />

20<br />

21<br />

22<br />

23<br />

24<br />

25<br />

26<br />

27<br />

28<br />

29<br />

30<br />

31<br />

32<br />

33<br />

34<br />

35<br />

36<br />

37<br />

38<br />

39<br />

40<br />

41<br />

42<br />

1000 0.04 800 0.04 600 0.03<br />

943 0.06 760 0.05 517 0.05<br />

809 0.08 651 0.07 443 0.06<br />

708 0.10 570 0.10 388 0.08<br />

629 0.13 507 0.12 344 0.11<br />

566 0.16 456 0.15 310 0.13<br />

515 0.19 415 0.18 282 0.16<br />

472 0.22 380 0.21 258 0.19<br />

435 0.26 351 0.25 238 0.22<br />

404 0.30 326 0.29 221 0.26<br />

377 0.35 304 0.34 207 0.30<br />

354 0.40 285 0.38 194 0.34<br />

333 0.45 268 0.43 182 0.38<br />

314 0.50 253 0.48 172 0.43<br />

298 0.56 240 0.54 163 0.47<br />

283 0.62 228 0.60 155 0.53<br />

270 0.68 217 0.66 148 0.58<br />

257 0.75 207 0.72 141 0.64<br />

246 0.82 198 0.79 135 0.70<br />

236 0.89 190 0.86 129 0.76<br />

226 0.97 182 0.93 124 0.82<br />

218 1.05 175 1.01 119 0.89<br />

210 1.13 169 1.09 115 0.96<br />

202 1.22 163 1.17 111 1.03<br />

195 1.31 157 1.26 107 1.11<br />

189 1.40 152 1.34 103 1.18<br />

183 1.49 147 1.43 100 1.26<br />

177 1.59 143 1.53 97 1.35<br />

172 1.69 138 1.63 94 1.43<br />

166 1.79 134 1.73 91 1.52<br />

162 1.90 130 1.83 89 1.61<br />

157 2.01 127 1.93 86 1.70<br />

153 2.12 123 2.04 84 1.80<br />

149 2.24 120 2.16 82 1.90<br />

145 2.36 117 2.27 79 2.00<br />

142 2.48 114 2.39 78 2.10<br />

138 2.61 111 2.51 76 2.21<br />

135 2.74 109 2.63 74 2.32<br />

Span in Feet<br />

4<br />

5<br />

6<br />

7<br />

8<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

16<br />

17<br />

18<br />

19<br />

20<br />

21<br />

22<br />

23<br />

24<br />

25<br />

26<br />

27<br />

28<br />

29<br />

30<br />

31<br />

32<br />

33<br />

34<br />

35<br />

36<br />

37<br />

38<br />

540 0.02<br />

900 0.05 720 0.04 520 0.04<br />

821 0.07 630 0.06 433 0.06<br />

704 0.09 540 0.08 371 0.07<br />

616 0.12 473 0.11 325 0.10<br />

548 0.15 420 0.14 289 0.12<br />

493 0.19 378 0.17 260 0.15<br />

448 0.23 344 0.21 236 0.18<br />

411 0.27 315 0.25 217 0.22<br />

379 0.32 291 0.29 200 0.26<br />

352 0.37 270 0.34 186 0.30<br />

329 0.43 252 0.39 173 0.34<br />

308 0.49 236 0.44 163 0.39<br />

290 0.55 222 0.50 153 0.44<br />

274 0.61 210 0.56 144 0.50<br />

259 0.68 199 0.62 137 0.55<br />

246 0.76 189 0.69 130 0.61<br />

235 0.84 180 0.76 124 0.67<br />

224 0.92 172 0.83 118 0.74<br />

214 1.00 164 0.91 113 0.81<br />

205 1.09 158 0.99 108 0.88<br />

197 1.19 151 1.08 104 0.96<br />

190 1.28 145 1.17 100 1.03<br />

183 1.38 140 1.26 96 1.11<br />

176 1.49 135 1.35 93 1.20<br />

170 1.60 130 1.45 90 1.29<br />

164 1.71 126 1.55 87 1.38<br />

159 1.82 122 1.66 84 1.47<br />

154 1.94 118 1.77 81 1.56<br />

149 2.07 115 1.88 79 1.66<br />

145 2.19 111 1.99 76 1.77<br />

141 2.32 108 2.11 74 1.87<br />

137 2.46 105 2.23 72 1.98<br />

133 2.60 – – – –<br />

121 2.36 102 2.36 70 2.09<br />

130 2.74 – – – –<br />

118 2.49 99 2.49 68 2.21<br />

WEB SHEAR AND PROPERTY VALUES<br />

V, kips<br />

500 400 300<br />

S x , In. 3 283 228 ** 155 **<br />

V, kips<br />

450 360 270<br />

S x , In. 3 224 189 130 **<br />

Loads above heavy horizontal line based upon maximum shear stress, F v , equal to 0.40 F y .<br />

Loads in shaded area based upon maximum allowable bending stress, F b , equal to 0.60 F y .<br />

* Slender element section. Width-thickness ratio exceeds AISC “Specification” Section B5.1 limiting value of 238/ Fy.<br />

** Modified value of section modulus calculated in accordance with AISC “Specification” Appendix Section B5.2.b.<br />

111

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