Double angles (2L)

2L8X4X7/16X3/8SLBB 2L203X102X11.1X9SLBB

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 = 16.38d = 4t = 0.438t = 0.438
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
8in
Thicknesst
0.438in

Mass and area

Mass per lengthm
34.4lb/ft
Cross-sectional areaA
10.2in²

Strong axis x–x

Moment of inertiaIx
12.1in⁴
Elastic section modulusSx
3.81in³
Plastic section modulusZx
6.85in³
Radius of gyrationrx
1.09in

Weak axis y–y

Moment of inertiaIy
160in⁴
Elastic section modulusSy
19.5in³
Plastic section modulusZy
30.6in³
Radius of gyrationry
3.96in

Torsion and stability

Polar radius (shear center)r̄o
4.15in
Flexural constantH
0.978

Centers

Centroidȳ
0.829in
Plastic neutral axisyp
0.319in

Slenderness ratios

Wall slendernessb/t
18.3

Equivalents in other standards