Double angles (2L)

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

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 = 6.394d = 3.5t = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
3in
Thicknesst
0.375in

Mass and area

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

Strong axis x–x

Moment of inertiaIx
5.46in⁴
Elastic section modulusSx
2.24in³
Plastic section modulusZx
4.06in³
Radius of gyrationrx
1.09in

Weak axis y–y

Moment of inertiaIy
6.79in⁴
Elastic section modulusSy
2.26in³
Plastic section modulusZy
3.82in³
Radius of gyrationry
1.21in

Torsion and stability

Polar radius (shear center)r̄o
1.85in
Flexural constantH
0.773

Centers

Centroidȳ
1.07in
Plastic neutral axisyp
0.407in

Slenderness ratios

Wall slendernessb/t
9.33

Equivalents in other standards