W shapes (wide flange)

W8X13 W200X19.3

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 = 4d = 7.99tf = 0.255tf = 0.255tw = 0.23tw = 0.23
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7.99in
Flange widthbf
4in
Web thicknesstw
0.23in
Flange thicknesstf
0.255in
Distance k (design)kdes
0.555in
Distance k (detailing)kdet
0.75in
Distance k1k1
0.5625in
Web clear depthT
6.5in
Distance between flange centroidsho
7.74in

Mass and area

Mass per lengthm
13lb/ft
Cross-sectional areaA
3.84in²

Strong axis x–x

Moment of inertiaIx
39.6in⁴
Elastic section modulusSx
9.91in³
Plastic section modulusZx
11.4in³
Radius of gyrationrx
3.21in

Weak axis y–y

Moment of inertiaIy
2.73in⁴
Elastic section modulusSy
1.37in³
Plastic section modulusZy
2.15in³
Radius of gyrationry
0.843in

Torsion and stability

Torsional constantJ
0.0871in⁴
Warping constantCw
40.8in⁶
Effective radius of gyrationrts
1.03in

Slenderness ratios

Flange slendernessbf/2tf
7.84
Web slendernessh/tw
29.9

Equivalents in other standards