Double angles (2L)

2L4X4X5/8 2L102X102X15.9

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 = 0.625t = 0.625
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
4in
Thicknesst
0.625in

Mass and area

Mass per lengthm
31.4lb/ft
Cross-sectional areaA
9.22in²

Strong axis x–x

Moment of inertiaIx
13.2in⁴
Elastic section modulusSx
4.76in³
Plastic section modulusZx
8.56in³
Radius of gyrationrx
1.2in

Weak axis y–y

Moment of inertiaIy
27in⁴
Elastic section modulusSy
6.75in³
Plastic section modulusZy
11.2in³
Radius of gyrationry
1.71in

Torsion and stability

Polar radius (shear center)r̄o
2.28in
Flexural constantH
0.841

Centers

Centroidȳ
1.22in
Plastic neutral axisyp
0.576in

Slenderness ratios

Wall slendernessb/t
6.4

Equivalents in other standards