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Steel beam sizes
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United States
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American standard beams
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S3
S3 series
2 american standard beams sections of nominal size S3, from AISC Shapes Database v16.0.
S3 sections
Designation
Weight (lb/ft)
Depth (in)
Flange (in)
tw (in)
tf (in)
Iₓ (in⁴)
Zₓ (in³)
S3x5.7
5.7
3
2.33
0.17
0.26
2.5
1.94
S3x7.5
7.5
3
2.51
0.349
0.26
2.91
2.35
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S3 series — American standard beams | Kannamwar Engineering