CARBON STEEL STRUCTURALS
STANDARD S BEAMS
ASTM - A36
A   C B
Depth Lbs/Ft Thickness of Web Width of Flange
3" 5.70 .170 2.330
  7.50 .349 2.509
4" 7.70 .190 2.660
  9.50 .326 2.796
5" 10.00 .210 3.000
  14.75 .494 3.284
6" 12.50 .230 3.330
  17.25 .465 3.565
7' 15.30 .250 3.660
8" 18.40 .270 4.000
  23.00 .441 4.171
10" 25.40 .310 4.660
  35.00 .594 4.944
12" 31.80 .350 5.000
  35.00 .428 5.078
  40.80 .460 5.250
  50.00 .687 5.477
15" 42.90 .410 5.500
  50.00 .550 5.640
18" 54.70 .460 6.000
  70.00 .711 6.251
20" 66.00 .505 6.255
  75.00 .635 6.385
  86.00 .660 7.060
  96.00 .800 7.200
24" 80.00 .500 7.000
  90.00 .625 7.125
  100.00 .745 7.245
  106.00 .620 7.870
  121.00 .800 8.050