M – miscellaneous shapes

M100x8.9

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 = 96.5d = 96.5tf = 4.06tf = 4.06tw = 3.3tw = 3.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
96.5mm
Flange widthbf
96.5mm
Web thicknesstw
3.3mm
Flange thicknesstf
4.06mm
Distance k (design)kdes
12.7mm
Distance k (detailing)kdet
12.7mm
Distance k1k1
9.53mm
Web clear depthT
69.9mm
Distance between flange centroidsho
92.5mm

Mass and area

Mass per lengthm
8.9kg/m
Cross-sectional areaA
1,130mm²

Strong axis x–x

Moment of inertiaIx
1.9610⁶ mm⁴
Elastic section modulusSx
40.610³ mm³
Plastic section modulusZx
44.910³ mm³
Radius of gyrationrx
41.7mm

Weak axis y–y

Moment of inertiaIy
0.61210⁶ mm⁴
Elastic section modulusSy
12.610³ mm³
Plastic section modulusZy
19.310³ mm³
Radius of gyrationry
23.2mm

Torsion and stability

Torsional constantJ
7.6610³ mm⁴
Warping constantCw
1.3110⁹ mm⁶
Effective radius of gyrationrts
26.4mm

Slenderness ratios

Flange slendernessbf/2tf
11.9
Web slendernessh/tw
22

Equivalents in other standards