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Steel beam sizes
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United States
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American standard tees
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ST12
ST12 series
5 american standard tees sections of nominal size ST12, from AISC Shapes Database v16.0.
ST12 sections
Designation
Weight (lb/ft)
Depth (in)
Flange (in)
tw (in)
tf (in)
Iₓ (in⁴)
Zₓ (in³)
ST12x53
53
12.3
7.87
0.62
1.09
216
43.3
ST12x60.5
60.5
12.3
8.05
0.8
1.09
259
54.5
ST12x40
40
12
7
0.5
0.87
162
33.6
ST12x45
45
12
7.13
0.625
0.87
190
41.1
ST12x50
50
12
7.25
0.745
0.87
215
47.5
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ST12 series — American standard tees | Kannamwar Engineering