M shapes

M12X10.8 M310X16.1

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 = 3.07d = 12tf = 0.21tf = 0.21tw = 0.16tw = 0.16
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Flange widthbf
3.07in
Web thicknesstw
0.16in
Flange thicknesstf
0.21in
Distance k (design)kdes
0.563in
Distance k (detailing)kdet
0.5625in
Distance k1k1
0.375in
Web clear depthT
10.88in
Distance between flange centroidsho
11.8in

Mass and area

Mass per lengthm
10.8lb/ft
Cross-sectional areaA
3.18in²

Strong axis x–x

Moment of inertiaIx
66.7in⁴
Elastic section modulusSx
11.1in³
Plastic section modulusZx
13.2in³
Radius of gyrationrx
4.58in

Weak axis y–y

Moment of inertiaIy
1.01in⁴
Elastic section modulusSy
0.661in³
Plastic section modulusZy
1.07in³
Radius of gyrationry
0.564in

Torsion and stability

Torsional constantJ
0.0393in⁴
Warping constantCw
35in⁶
Effective radius of gyrationrts
0.732in

Slenderness ratios

Flange slendernessbf/2tf
7.3
Web slendernessh/tw
69.2

Equivalents in other standards