M – miscellaneous shapes

M100x4.3

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xybf = 57.2d = 76.2tf = 3.3tf = 3.3tw = 2.29tw = 2.29
Cross-section, to scaledimensions in mm

Dimensions

Depthd
76.2mm
Flange widthbf
57.2mm
Web thicknesstw
2.29mm
Flange thicknesstf
3.3mm
Distance k (design)kdes
12.7mm
Distance k (detailing)kdet
12.7mm
Distance k1k1
9.53mm
Web clear depthT
50.8mm
Distance between flange centroidsho
72.9mm

Mass and area

Mass per lengthm
4.3kg/m
Cross-sectional areaA
590mm²

Strong axis x–x

Moment of inertiaIx
0.62410⁶ mm⁴
Elastic section modulusSx
16.410³ mm³
Plastic section modulusZx
18.410³ mm³
Radius of gyrationrx
32.5mm

Weak axis y–y

Moment of inertiaIy
0.10310⁶ mm⁴
Elastic section modulusSy
3.6210³ mm³
Plastic section modulusZy
5.6410³ mm³
Radius of gyrationry
13.2mm

Torsion and stability

Torsional constantJ
3.2910³ mm⁴
Warping constantCw
0.13710⁹ mm⁶
Effective radius of gyrationrts
15.2mm

Slenderness ratios

Flange slendernessbf/2tf
8.65
Web slendernessh/tw
23.6

Equivalents in other standards