Double angles (2L)

2L8X8X1 2L203X203X25.4

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

Dimensions

Depthd
8in
Widthb
8in
Thicknesst
1in

Mass and area

Mass per lengthm
102lb/ft
Cross-sectional areaA
30.2in²

Strong axis x–x

Moment of inertiaIx
178in⁴
Elastic section modulusSx
31.6in³
Plastic section modulusZx
57in³
Radius of gyrationrx
2.43in

Weak axis y–y

Moment of inertiaIy
347in⁴
Elastic section modulusSy
43.4in³
Plastic section modulusZy
71.3in³
Radius of gyrationry
3.39in

Torsion and stability

Polar radius (shear center)r̄o
4.56in
Flexural constantH
0.834

Centers

Centroidȳ
2.36in
Plastic neutral axisyp
0.944in

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards