Double angles (2L)

2L3-1/2X3-1/2X7/16X3/8 2L89X89X11.1X9

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 = 0.438t = 0.438
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
3.5in
Thicknesst
0.438in

Mass and area

Mass per lengthm
19.6lb/ft
Cross-sectional areaA
5.78in²

Strong axis x–x

Moment of inertiaIx
6.5in⁴
Elastic section modulusSx
2.64in³
Plastic section modulusZx
4.72in³
Radius of gyrationrx
1.06in

Weak axis y–y

Moment of inertiaIy
15in⁴
Elastic section modulusSy
4.07in³
Plastic section modulusZy
7.04in³
Radius of gyrationry
1.61in

Torsion and stability

Polar radius (shear center)r̄o
2.09in
Flexural constantH
0.851

Centers

Centroidȳ
1.03in
Plastic neutral axisyp
0.413in

Slenderness ratios

Wall slendernessb/t
7.99

Equivalents in other standards