C – standard channels

C380x60

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 = 89.4d = 381tf = 16.5tf = 16.5tw = 13.2tw = 13.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
381mm
Flange widthbf
89.4mm
Web thicknesstw
13.2mm
Flange thicknesstf
16.5mm
Distance k (design)kdes
36.6mm
Distance k (detailing)kdet
36.5mm
Web clear depthT
308mm
Distance between flange centroidsho
366mm

Mass and area

Mass per lengthm
60kg/m
Cross-sectional areaA
7,610mm²

Strong axis x–x

Moment of inertiaIx
14510⁶ mm⁴
Elastic section modulusSx
76210³ mm³
Plastic section modulusZx
94210³ mm³
Radius of gyrationrx
138mm

Weak axis y–y

Moment of inertiaIy
3.8210⁶ mm⁴
Elastic section modulusSy
54.710³ mm³
Plastic section modulusZy
11210³ mm³
Radius of gyrationry
22.4mm

Torsion and stability

Torsional constantJ
60410³ mm⁴
Warping constantCw
11010⁹ mm⁶
Effective radius of gyrationrts
29.2mm
Polar radius (shear center)r̄o
145mm
Flexural constantH
0.927
Shear centereo
19.5mm

Centers

Centroidx̄
19.8mm
Plastic neutral axisxp
9.96mm

Slenderness ratios

Web slendernessh/tw
23.8
Wall slendernessb/t
5.42

Equivalents in other standards