S shapes (American standard beams)

S24X121 S610X180

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xybf = 8.05d = 24.5tf = 1.09tf = 1.09tw = 0.8tw = 0.8
Cross-section, to scaledimensions in inches

Dimensions

Depthd
24.5in
Flange widthbf
8.05in
Web thicknesstw
0.8in
Flange thicknesstf
1.09in
Distance k (design)kdes
2in
Distance k (detailing)kdet
2in
Web clear depthT
20.5in
Distance between flange centroidsho
23.4in

Mass and area

Mass per lengthm
121lb/ft
Cross-sectional areaA
35.5in²

Strong axis x–x

Moment of inertiaIx
3,160in⁴
Elastic section modulusSx
258in³
Plastic section modulusZx
306in³
Radius of gyrationrx
9.43in

Weak axis y–y

Moment of inertiaIy
83in⁴
Elastic section modulusSy
20.6in³
Plastic section modulusZy
36.3in³
Radius of gyrationry
1.53in

Torsion and stability

Torsional constantJ
12.8in⁴
Warping constantCw
11,400in⁶
Effective radius of gyrationrts
1.94in

Slenderness ratios

Flange slendernessbf/2tf
3.69
Web slendernessh/tw
25.9

Equivalents in other standards