Double angles (2L)

2L4X3-1/2X1/2SLBB 2L102X89X12.7SLBB

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 = 8.425d = 3.5t = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
4in
Thicknesst
0.5in

Mass and area

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

Strong axis x–x

Moment of inertiaIx
7.53in⁴
Elastic section modulusSx
3in³
Plastic section modulusZx
5.39in³
Radius of gyrationrx
1.04in

Weak axis y–y

Moment of inertiaIy
21.4in⁴
Elastic section modulusSy
5.35in³
Plastic section modulusZy
8.68in³
Radius of gyrationry
1.75in

Torsion and stability

Polar radius (shear center)r̄o
2.16in
Flexural constantH
0.882

Centers

Centroidȳ
0.994in
Plastic neutral axisyp
0.438in

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards