Double angles (2L)

2L4X4X3/8 2L102X102X9.5

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 = 4t = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
4in
Thicknesst
0.375in

Mass and area

Mass per lengthm
19.6lb/ft
Cross-sectional areaA
5.72in²

Strong axis x–x

Moment of inertiaIx
8.64in⁴
Elastic section modulusSx
3in³
Plastic section modulusZx
5.38in³
Radius of gyrationrx
1.23in

Weak axis y–y

Moment of inertiaIy
16in⁴
Elastic section modulusSy
4in³
Plastic section modulusZy
6.46in³
Radius of gyrationry
1.67in

Torsion and stability

Polar radius (shear center)r̄o
2.28in
Flexural constantH
0.829

Centers

Centroidȳ
1.13in
Plastic neutral axisyp
0.358in

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards