Double angles (2L)

2L8X4X7/8LLBB 2L203X102X22.2LLBB

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 = 0.875t = 0.875
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
4in
Thicknesst
0.875in

Mass and area

Mass per lengthm
66.2lb/ft
Cross-sectional areaA
19.6in²

Strong axis x–x

Moment of inertiaIx
125in⁴
Elastic section modulusSx
25in³
Plastic section modulusZx
43.4in³
Radius of gyrationrx
2.53in

Weak axis y–y

Moment of inertiaIy
40.6in⁴
Elastic section modulusSy
10.2in³
Plastic section modulusZy
19.5in³
Radius of gyrationry
1.44in

Torsion and stability

Polar radius (shear center)r̄o
3.87in
Flexural constantH
0.566

Centers

Centroidȳ
2.99in
Plastic neutral axisyp
2.41in

Slenderness ratios

Wall slendernessb/t
9.14

Equivalents in other standards