Double angles (2L)

2L3-1/2X3X1/4X3/8SLBB 2L89X76X6.4X9SLBB

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 = 3t = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3.5in
Thicknesst
0.25in

Mass and area

Mass per lengthm
10.8lb/ft
Cross-sectional areaA
3.16in²

Strong axis x–x

Moment of inertiaIx
2.61in⁴
Elastic section modulusSx
1.17in³
Plastic section modulusZx
2.08in³
Radius of gyrationrx
0.908in

Weak axis y–y

Moment of inertiaIy
8.4in⁴
Elastic section modulusSy
2.28in³
Plastic section modulusZy
3.82in³
Radius of gyrationry
1.63in

Torsion and stability

Polar radius (shear center)r̄o
1.98in
Flexural constantH
0.893

Centers

Centroidȳ
0.773in
Plastic neutral axisyp
0.226in

Slenderness ratios

Wall slendernessb/t
14

Equivalents in other standards