Double angles (2L)

2L4X3X3/8SLBB 2L102X76X9.5SLBB

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

Dimensions

Depthd
3in
Widthb
4in
Thicknesst
0.375in

Mass and area

Mass per lengthm
17lb/ft
Cross-sectional areaA
4.98in²

Strong axis x–x

Moment of inertiaIx
3.79in⁴
Elastic section modulusSx
1.7in³
Plastic section modulusZx
3.04in³
Radius of gyrationrx
0.873in

Weak axis y–y

Moment of inertiaIy
16in⁴
Elastic section modulusSy
4in³
Plastic section modulusZy
6.32in³
Radius of gyrationry
1.79in

Torsion and stability

Polar radius (shear center)r̄o
2.08in
Flexural constantH
0.92

Centers

Centroidȳ
0.775in
Plastic neutral axisyp
0.311in

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards