STEEL I BEAMS
“S” SHAPES
Structural
ASTM 36 • ASME SA-36
Section Number Weight per ft. lbs. Depth d in. Width b in. Web t in.
S 3 X 5.7 3.00 2.330 .170
7.5 3.00 2.509 .349
S 4 X 7.7 4.00 2.663 .193
9.5 4.00 2.796 .326
S 5 X 10 5.00 3.004 .214
S 6 X 12.5 6.00 3.332 .232
17.25 6.00 3.565 .465
S 7 X 15.3 7.00 3.662 .252
20 7.00 3.860 .450
S 8 X 18.4 8.00 4.001 .271
23 8.00 4.171 .441
S 10 X 25.4 10.00 4.661 .311
35 10.00 4.944 .594
S 12 X 31.8 12.00 5.00 .350
35 12.00 5.078 .428
40.8 12.00 5.252 .462
50 12.00 5.477 .687
S 15 X 42.9 15.00 5.501 .411
50 15.00 5.640 .550
S 18 X 54.7 18.00 6.001 .461
70 18.00 6.251 .711
S 20 X 66 20.00 6.255 .505
S 24 X 80 24.00 7.00 .500
121 24.50 8.050 .800