Double angles (2L)

2L3-1/2X3-1/2X1/4X3/8 2L89X89X6.4X9

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

Dimensions

Depthd
3.5in
Widthb
3.5in
Thicknesst
0.25in

Mass and area

Mass per lengthm
11.6lb/ft
Cross-sectional areaA
3.4in²

Strong axis x–x

Moment of inertiaIx
4in⁴
Elastic section modulusSx
1.57in³
Plastic section modulusZx
2.82in³
Radius of gyrationrx
1.09in

Weak axis y–y

Moment of inertiaIy
8.38in⁴
Elastic section modulusSy
2.27in³
Plastic section modulusZy
3.88in³
Radius of gyrationry
1.57in

Torsion and stability

Polar radius (shear center)r̄o
2.08in
Flexural constantH
0.842

Centers

Centroidȳ
0.954in
Plastic neutral axisyp
0.243in

Slenderness ratios

Wall slendernessb/t
14

Equivalents in other standards