Double angles (2L)

2L5X3-1/2X1/2LLBB 2L127X89X12.7LLBB

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 = 5t = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
5in
Widthb
3.5in
Thicknesst
0.5in

Mass and area

Mass per lengthm
27.2lb/ft
Cross-sectional areaA
8in²

Strong axis x–x

Moment of inertiaIx
20in⁴
Elastic section modulusSx
5.94in³
Plastic section modulusZx
10.7in³
Radius of gyrationrx
1.58in

Weak axis y–y

Moment of inertiaIy
14.6in⁴
Elastic section modulusSy
4.17in³
Plastic section modulusZy
7.21in³
Radius of gyrationry
1.35in

Torsion and stability

Polar radius (shear center)r̄o
2.5in
Flexural constantH
0.688

Centers

Centroidȳ
1.65in
Plastic neutral axisyp
1in

Slenderness ratios

Wall slendernessb/t
10

Equivalents in other standards