Double angles (2L)

2L8X8X1/2 2L203X203X12.7

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

Dimensions

Depthd
8in
Widthb
8in
Thicknesst
0.5in

Mass and area

Mass per lengthm
52.8lb/ft
Cross-sectional areaA
15.7in²

Strong axis x–x

Moment of inertiaIx
97.6in⁴
Elastic section modulusSx
16.7in³
Plastic section modulusZx
30.2in³
Radius of gyrationrx
2.49in

Weak axis y–y

Moment of inertiaIy
171in⁴
Elastic section modulusSy
21.4in³
Plastic section modulusZy
34in³
Radius of gyrationry
3.3in

Torsion and stability

Polar radius (shear center)r̄o
4.56in
Flexural constantH
0.824

Centers

Centroidȳ
2.17in
Plastic neutral axisyp
0.49in

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards