Double angles (2L)

2L8X4X5/8X3/8LLBB 2L203X102X15.9X9LLBB

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 = 8t = 0.625t = 0.625
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
4in
Thicknesst
0.625in

Mass and area

Mass per lengthm
48.4lb/ft
Cross-sectional areaA
14.3in²

Strong axis x–x

Moment of inertiaIx
94in⁴
Elastic section modulusSx
18.4in³
Plastic section modulusZx
32.2in³
Radius of gyrationrx
2.56in

Weak axis y–y

Moment of inertiaIy
33in⁴
Elastic section modulusSy
7.88in³
Plastic section modulusZy
15.6in³
Radius of gyrationry
1.52in

Torsion and stability

Polar radius (shear center)r̄o
3.94in
Flexural constantH
0.573

Centers

Centroidȳ
2.89in
Plastic neutral axisyp
2.27in

Slenderness ratios

Wall slendernessb/t
12.8

Equivalents in other standards