Double angles (2L)

2L3-1/2X3X3/8SLBB 2L89X76X9.5SLBB

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 = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3.5in
Thicknesst
0.375in

Mass and area

Mass per lengthm
15.8lb/ft
Cross-sectional areaA
4.64in²

Strong axis x–x

Moment of inertiaIx
3.69in⁴
Elastic section modulusSx
1.69in³
Plastic section modulusZx
3.04in³
Radius of gyrationrx
0.892in

Weak axis y–y

Moment of inertiaIy
10.7in⁴
Elastic section modulusSy
3.06in³
Plastic section modulusZy
4.96in³
Radius of gyrationry
1.52in

Torsion and stability

Polar radius (shear center)r̄o
1.88in
Flexural constantH
0.885

Centers

Centroidȳ
0.823in
Plastic neutral axisyp
0.331in

Slenderness ratios

Wall slendernessb/t
9.33

Equivalents in other standards