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Steel beam sizes
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United States
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American standard beams
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S12
S12 series
4 american standard beams sections of nominal size S12, from AISC Shapes Database v16.0.
S12 sections
Designation
Weight (lb/ft)
Depth (in)
Flange (in)
tw (in)
tf (in)
Iₓ (in⁴)
Zₓ (in³)
S12x31.8
31.8
12
5
0.35
0.544
217
41.8
S12x35
35
12
5.08
0.428
0.544
228
44.6
S12x40.8
40.8
12
5.25
0.462
0.659
270
52.7
S12x50
50
12
5.48
0.687
0.659
303
60.9
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S12 series — American standard beams | Kannamwar Engineering