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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=46<br />
y<br />
x<br />
x<br />
y<br />
ERW<br />
Nominal Size<br />
Wall Thickness<br />
Weight Per Foot<br />
Design Wall Thickness<br />
9 X 9<br />
1/2<br />
55.66<br />
3/8<br />
42.79<br />
5/16<br />
36.10<br />
∆<br />
Inches<br />
1/4<br />
29.23<br />
∆<br />
Inches<br />
3/16<br />
22.18<br />
0.465 0.349 0.291 0.233* 0.174*<br />
∆<br />
Inches<br />
Span in Feet<br />
2<br />
3<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 />
308 231 193 0.01 154 0.01 115 0.01<br />
274 217 186 0.03 138 0.03 93 0.02<br />
205 163 140 0.06 104 0.05 70 0.04<br />
164 130 112 0.09 83 0.08 56 0.07<br />
137 109 93 0.13 69 0.11 47 0.10<br />
117 93 80 0.17 59 0.15 40 0.14<br />
103 81 70 0.22 52 0.20 35 0.18<br />
91 72 62 0.28 46 0.26 31 0.22<br />
82 65 56 0.35 41 0.31 28 0.28<br />
75 59 51 0.42 38 0.38 25 0.34<br />
68 54 47 0.50 35 0.45 23 0.40<br />
63 50 43 0.59 32 0.53 22 0.47<br />
59 47 40 0.68 30 0.62 20 0.54<br />
55 43 37 0.79 28 0.71 19 0.62<br />
51 41 35 0.89 26 0.81 17 0.71<br />
48 38 33 1.01 24 0.91 16 0.80<br />
46 36 31 1.13 23 1.02 16 0.90<br />
43 34 29 1.26 22 1.14 15 1.00<br />
41 33 28 1.40<br />
– – – –<br />
37 30 25 1.27 21 1.26 14 1.11<br />
39 31 27 1.54<br />
– – – –<br />
36 28 24 1.40 20 1.39 13 1.22<br />
WEB SHEAR AND PROPERTY VALUES<br />
V, kips<br />
154 116 96 77 58<br />
S x , In. 3 40.6 32.2 27.6 22.5** 15.2**<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 />
41
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