S shapes (American standard beams)

S10X25.4 S250X37.8

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 = 4.66d = 10tf = 0.491tf = 0.491tw = 0.311tw = 0.311
Cross-section, to scaledimensions in inches

Dimensions

Depthd
10in
Flange widthbf
4.66in
Web thicknesstw
0.311in
Flange thicknesstf
0.491in
Distance k (design)kdes
1.13in
Distance k (detailing)kdet
1.125in
Web clear depthT
7.75in
Distance between flange centroidsho
9.51in

Mass and area

Mass per lengthm
25.4lb/ft
Cross-sectional areaA
7.45in²

Strong axis x–x

Moment of inertiaIx
123in⁴
Elastic section modulusSx
24.6in³
Plastic section modulusZx
28.3in³
Radius of gyrationrx
4.07in

Weak axis y–y

Moment of inertiaIy
6.73in⁴
Elastic section modulusSy
2.89in³
Plastic section modulusZy
4.99in³
Radius of gyrationry
0.95in

Torsion and stability

Torsional constantJ
0.603in⁴
Warping constantCw
152in⁶
Effective radius of gyrationrts
1.14in

Slenderness ratios

Flange slendernessbf/2tf
4.75
Web slendernessh/tw
25.6

Equivalents in other standards