W shapes (wide flange)

W36X350 W920X521

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 = 12.6d = 38.6tf = 2.32tf = 2.32tw = 1.3tw = 1.3
Cross-section, to scaledimensions in inches

Dimensions

Depthd
38.6in
Flange widthbf
12.6in
Web thicknesstw
1.3in
Flange thicknesstf
2.32in
Distance k (design)kdes
3.07in
Distance k (detailing)kdet
3.563in
Distance k1k1
1.875in
Web clear depthT
31.5in
Distance between flange centroidsho
36.3in

Mass and area

Mass per lengthm
350lb/ft
Cross-sectional areaA
103in²

Strong axis x–x

Moment of inertiaIx
23,600in⁴
Elastic section modulusSx
1,220in³
Plastic section modulusZx
1,440in³
Radius of gyrationrx
15.1in

Weak axis y–y

Moment of inertiaIy
780in⁴
Elastic section modulusSy
124in³
Plastic section modulusZy
199in³
Radius of gyrationry
2.75in

Torsion and stability

Torsional constantJ
129in⁴
Warping constantCw
257,000in⁶
Effective radius of gyrationrts
3.41in

Slenderness ratios

Flange slendernessbf/2tf
2.72
Web slendernessh/tw
25

Equivalents in other standards