Double angles (2L)

2L4X3-1/2X1/4SLBB 2L102X89X6.4SLBB

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 = 8.425d = 3.5t = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
4in
Thicknesst
0.25in

Mass and area

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

Strong axis x–x

Moment of inertiaIx
4.13in⁴
Elastic section modulusSx
1.59in³
Plastic section modulusZx
2.8in³
Radius of gyrationrx
1.07in

Weak axis y–y

Moment of inertiaIy
10.5in⁴
Elastic section modulusSy
2.62in³
Plastic section modulusZy
4.15in³
Radius of gyrationry
1.7in

Torsion and stability

Polar radius (shear center)r̄o
2.15in
Flexural constantH
0.871

Centers

Centroidȳ
0.897in
Plastic neutral axisyp
0.228in

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards