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Steel beam sizes
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United States
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American standard tees
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ST3
ST3 series
2 american standard tees sections of nominal size ST3, from AISC Shapes Database v16.0.
ST3 sections
Designation
Weight (lb/ft)
Depth (in)
Flange (in)
tw (in)
tf (in)
Iₓ (in⁴)
Zₓ (in³)
ST3x6.25
6.25
3
3.33
0.232
0.359
1.26
1.01
ST3x8.6
8.6
3
3.57
0.465
0.359
2.12
1.85
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ST3 series — American standard tees | Kannamwar Engineering