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<strong>HSS</strong> Beam Load Tables<br />
Rectangular Structural Steel Tubing<br />
Total Allowable Uniform Load in Kips for Beams with Lateral Support<br />
Fy=46<br />
y<br />
x<br />
y<br />
ERW<br />
x<br />
Nominal Size<br />
Wall Thickness<br />
Weight Per Foot<br />
Design Wall Thickness<br />
9 X 7<br />
5/8<br />
59.32<br />
1/2<br />
48.85<br />
3/8<br />
37.69<br />
5/16<br />
31.84<br />
1/4<br />
25.82<br />
∆<br />
Inches<br />
3/16<br />
19.63<br />
0.581 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 />
385 308 231 193 154 0.01 115 0.01<br />
261 223 178 152 126 0.03 86 0.03<br />
196 167 134 114 95 0.06 65 0.05<br />
157 134 107 91 76 0.09 52 0.08<br />
131 111 89 76 63 0.13 43 0.11<br />
112 95 76 65 54 0.17 37 0.15<br />
98 83 67 57 47 0.22 32 0.20<br />
87 74 59 51 42 0.28 29 0.25<br />
78 67 53 46 38 0.35 26 0.31<br />
71 61 49 42 34 0.42 24 0.38<br />
65 56 45 38 32 0.50 22 0.45<br />
60 51 41 35 29 0.59 20 0.53<br />
56 48 38 33 27 0.68 19 0.61<br />
52 45 36 30 25 0.79 17 0.70<br />
49 42 33 29 24 0.89 – –<br />
45 38 30 26 22 0.81 16 0.80<br />
46 39 31 27 22 1.01 – –<br />
42 36 29 24 20 0.92 15 0.90<br />
44 37 30 25 21 1.13 – –<br />
40 34 27 23 19 1.03 14 1.01<br />
41 35 28 24 20 1.26 – –<br />
37 32 26 22 18 1.15 14 1.12<br />
39 33 27 23 19 1.40 – –<br />
36 30 24 21 17 1.27 13 1.24<br />
37 32 25 22 18 1.54 – –<br />
34 29 23 20 16 1.40 12 1.37<br />
WEB SHEAR AND PROPERTY VALUES<br />
V, kips<br />
192 154 116 96 77 58<br />
S x , In. 3 38.7 33.0 26.4 22.6 18.7 14.1**<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 />
20
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