Double angles (2L)

2L3-1/2X3X1/4X3/8LLBB 2L89X76X6.4X9LLBB

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

Dimensions

Depthd
3.5in
Widthb
3in
Thicknesst
0.25in

Mass and area

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

Strong axis x–x

Moment of inertiaIx
3.84in⁴
Elastic section modulusSx
1.55in³
Plastic section modulusZx
2.78in³
Radius of gyrationrx
1.1in

Weak axis y–y

Moment of inertiaIy
5.51in⁴
Elastic section modulusSy
1.73in³
Plastic section modulusZy
3.04in³
Radius of gyrationry
1.32in

Torsion and stability

Polar radius (shear center)r̄o
1.94in
Flexural constantH
0.787

Centers

Centroidȳ
1.02in
Plastic neutral axisyp
0.34in

Slenderness ratios

Wall slendernessb/t
14

Equivalents in other standards