S shapes (American standard beams)

S6X12.5 S150X18.6

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 = 3.33d = 6tf = 0.359tf = 0.359tw = 0.232tw = 0.232
Cross-section, to scaledimensions in inches

Dimensions

Depthd
6in
Flange widthbf
3.33in
Web thicknesstw
0.232in
Flange thicknesstf
0.359in
Distance k (design)kdes
0.813in
Distance k (detailing)kdet
0.8125in
Web clear depthT
4.375in
Distance between flange centroidsho
5.64in

Mass and area

Mass per lengthm
12.5lb/ft
Cross-sectional areaA
3.66in²

Strong axis x–x

Moment of inertiaIx
22in⁴
Elastic section modulusSx
7.34in³
Plastic section modulusZx
8.45in³
Radius of gyrationrx
2.45in

Weak axis y–y

Moment of inertiaIy
1.8in⁴
Elastic section modulusSy
1.08in³
Plastic section modulusZy
1.86in³
Radius of gyrationry
0.702in

Torsion and stability

Torsional constantJ
0.167in⁴
Warping constantCw
14.3in⁶
Effective radius of gyrationrts
0.831in

Slenderness ratios

Flange slendernessbf/2tf
4.64
Web slendernessh/tw
19.4

Equivalents in other standards