Double angles (2L)

2L8X4X1SLBB 2L203X102X25.4SLBB

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 = 1t = 1
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
8in
Thicknesst
1in

Mass and area

Mass per lengthm
74.8lb/ft
Cross-sectional areaA
22.2in²

Strong axis x–x

Moment of inertiaIx
23.3in⁴
Elastic section modulusSx
7.87in³
Plastic section modulusZx
15.5in³
Radius of gyrationrx
1.03in

Weak axis y–y

Moment of inertiaIy
345in⁴
Elastic section modulusSy
43.1in³
Plastic section modulusZy
67.3in³
Radius of gyrationry
3.94in

Torsion and stability

Polar radius (shear center)r̄o
4.11in
Flexural constantH
0.983

Centers

Centroidȳ
1.04in
Plastic neutral axisyp
0.694in

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards