M shapes

M3X2.9 M100X4.3

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 = 2.25d = 3tf = 0.13tf = 0.13tw = 0.09tw = 0.09
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Flange widthbf
2.25in
Web thicknesstw
0.09in
Flange thicknesstf
0.13in
Distance k (design)kdes
0.5in
Distance k (detailing)kdet
0.5in
Distance k1k1
0.375in
Web clear depthT
2in
Distance between flange centroidsho
2.87in

Mass and area

Mass per lengthm
2.9lb/ft
Cross-sectional areaA
0.914in²

Strong axis x–x

Moment of inertiaIx
1.5in⁴
Elastic section modulusSx
1in³
Plastic section modulusZx
1.12in³
Radius of gyrationrx
1.28in

Weak axis y–y

Moment of inertiaIy
0.248in⁴
Elastic section modulusSy
0.221in³
Plastic section modulusZy
0.344in³
Radius of gyrationry
0.521in

Torsion and stability

Torsional constantJ
0.0079in⁴
Warping constantCw
0.511in⁶
Effective radius of gyrationrts
0.597in

Slenderness ratios

Flange slendernessbf/2tf
8.65
Web slendernessh/tw
23.6

Equivalents in other standards