Double angles (2L)

2L3-1/2X3X1/2X3/4SLBB 2L89X76X12.7X19SLBB

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 = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3.5in
Thicknesst
0.5in

Mass and area

Mass per lengthm
20.4lb/ft
Cross-sectional areaA
6.04in²

Strong axis x–x

Moment of inertiaIx
4.65in⁴
Elastic section modulusSx
2.18in³
Plastic section modulusZx
3.94in³
Radius of gyrationrx
0.877in

Weak axis y–y

Moment of inertiaIy
20.4in⁴
Elastic section modulusSy
5.26in³
Plastic section modulusZy
9.03in³
Radius of gyrationry
1.84in

Torsion and stability

Polar radius (shear center)r̄o
2.13in
Flexural constantH
0.915

Centers

Centroidȳ
0.869in
Plastic neutral axisyp
0.431in

Slenderness ratios

Wall slendernessb/t
7

Equivalents in other standards