Double angles (2L)

2L4X4X1/2X3/8 2L102X102X12.7X9

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 = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
4in
Thicknesst
0.5in

Mass and area

Mass per lengthm
25.6lb/ft
Cross-sectional areaA
7.5in²

Strong axis x–x

Moment of inertiaIx
11in⁴
Elastic section modulusSx
3.92in³
Plastic section modulusZx
7in³
Radius of gyrationrx
1.21in

Weak axis y–y

Moment of inertiaIy
25.1in⁴
Elastic section modulusSy
5.99in³
Plastic section modulusZy
10.3in³
Radius of gyrationry
1.83in

Torsion and stability

Polar radius (shear center)r̄o
2.38in
Flexural constantH
0.848

Centers

Centroidȳ
1.18in
Plastic neutral axisyp
0.469in

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards