M shapes

M4X4.08 M100X6.1

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 = 4tf = 0.17tf = 0.17tw = 0.115tw = 0.115
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Flange widthbf
2.25in
Web thicknesstw
0.115in
Flange thicknesstf
0.17in
Distance k (design)kdes
0.563in
Distance k (detailing)kdet
0.5625in
Distance k1k1
0.375in
Web clear depthT
2.875in
Distance between flange centroidsho
3.83in

Mass and area

Mass per lengthm
4.08lb/ft
Cross-sectional areaA
1.27in²

Strong axis x–x

Moment of inertiaIx
3.53in⁴
Elastic section modulusSx
1.77in³
Plastic section modulusZx
2in³
Radius of gyrationrx
1.67in

Weak axis y–y

Moment of inertiaIy
0.325in⁴
Elastic section modulusSy
0.289in³
Plastic section modulusZy
0.453in³
Radius of gyrationry
0.506in

Torsion and stability

Torsional constantJ
0.0147in⁴
Warping constantCw
1.19in⁶
Effective radius of gyrationrts
0.593in

Slenderness ratios

Flange slendernessbf/2tf
6.62
Web slendernessh/tw
26.4

Equivalents in other standards