Double angles (2L)

2L4X3-1/2X1/2X3/4LLBB 2L102X89X12.7X19LLBB

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 = 4t = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
3.5in
Thicknesst
0.5in

Mass and area

Mass per lengthm
23.8lb/ft
Cross-sectional areaA
7in²

Strong axis x–x

Moment of inertiaIx
10.6in⁴
Elastic section modulusSx
3.84in³
Plastic section modulusZx
6.92in³
Radius of gyrationrx
1.23in

Weak axis y–y

Moment of inertiaIy
20.7in⁴
Elastic section modulusSy
5.34in³
Plastic section modulusZy
9.58in³
Radius of gyrationry
1.72in

Torsion and stability

Polar radius (shear center)r̄o
2.33in
Flexural constantH
0.819

Centers

Centroidȳ
1.24in
Plastic neutral axisyp
0.5in

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards