Double angles (2L)

2L8X8X3/4X3/4 2L203X203X19X19

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 = 8t = 0.75t = 0.75
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
8in
Thicknesst
0.75in

Mass and area

Mass per lengthm
77.8lb/ft
Cross-sectional areaA
23in²

Strong axis x–x

Moment of inertiaIx
140in⁴
Elastic section modulusSx
24.4in³
Plastic section modulusZx
44in³
Radius of gyrationrx
2.46in

Weak axis y–y

Moment of inertiaIy
300in⁴
Elastic section modulusSy
35.8in³
Plastic section modulusZy
60.6in³
Radius of gyrationry
3.61in

Torsion and stability

Polar radius (shear center)r̄o
4.76in
Flexural constantH
0.843

Centers

Centroidȳ
2.26in
Plastic neutral axisyp
0.719in

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards