ST tees

ST4X9.2 ST100X13.7

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 = 4tf = 0.425tf = 0.425tw = 0.271tw = 0.271
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Flange widthbf
4in
Web thicknesstw
0.271in
Flange thicknesstf
0.425in
Distance k (design)kdes
1in
Distance k (detailing)kdet
1in

Mass and area

Mass per lengthm
9.2lb/ft
Cross-sectional areaA
2.7in²

Strong axis x–x

Moment of inertiaIx
3.49in⁴
Elastic section modulusSx
1.14in³
Plastic section modulusZx
2.07in³
Radius of gyrationrx
1.14in

Weak axis y–y

Moment of inertiaIy
1.84in⁴
Elastic section modulusSy
0.922in³
Plastic section modulusZy
1.59in³
Radius of gyrationry
0.827in

Torsion and stability

Torsional constantJ
0.167in⁴
Warping constantCw
0.0642in⁶
Polar radius (shear center)r̄o
1.58in
Flexural constantH
0.788

Centers

Centroidȳ
0.942in
Plastic neutral axisyp
0.336in

Slenderness ratios

Flange slendernessbf/2tf
4.71
Wall slendernessD/t
14.8

Equivalents in other standards