Double angles (2L)

2L4X3X5/8X3/8SLBB 2L102X76X15.9X9SLBB

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 = 3t = 0.625t = 0.625
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
4in
Thicknesst
0.625in

Mass and area

Mass per lengthm
27.2lb/ft
Cross-sectional areaA
7.98in²

Strong axis x–x

Moment of inertiaIx
5.7in⁴
Elastic section modulusSx
2.67in³
Plastic section modulusZx
4.9in³
Radius of gyrationrx
0.845in

Weak axis y–y

Moment of inertiaIy
31.3in⁴
Elastic section modulusSy
7.47in³
Plastic section modulusZy
12.4in³
Radius of gyrationry
1.98in

Torsion and stability

Polar radius (shear center)r̄o
2.22in
Flexural constantH
0.938

Centers

Centroidȳ
0.867in
Plastic neutral axisyp
0.499in

Slenderness ratios

Wall slendernessb/t
6.4

Equivalents in other standards