Double angles (2L)

2L4X3-1/2X1/4X3/8LLBB 2L102X89X6.4X9LLBB

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.
xy2b + s = 7.394d = 4t = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
3.5in
Thicknesst
0.25in

Mass and area

Mass per lengthm
12.4lb/ft
Cross-sectional areaA
3.64in²

Strong axis x–x

Moment of inertiaIx
5.78in⁴
Elastic section modulusSx
2.02in³
Plastic section modulusZx
3.62in³
Radius of gyrationrx
1.26in

Weak axis y–y

Moment of inertiaIy
8.41in⁴
Elastic section modulusSy
2.28in³
Plastic section modulusZy
3.95in³
Radius of gyrationry
1.52in

Torsion and stability

Polar radius (shear center)r̄o
2.22in
Flexural constantH
0.79

Centers

Centroidȳ
1.14in
Plastic neutral axisyp
0.36in

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards