Double angles (2L)

2L4X3X3/8LLBB 2L102X76X9.5LLBB

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 = 6.394d = 4t = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
3in
Thicknesst
0.375in

Mass and area

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

Strong axis x–x

Moment of inertiaIx
7.88in⁴
Elastic section modulusSx
2.88in³
Plastic section modulusZx
5.2in³
Radius of gyrationrx
1.26in

Weak axis y–y

Moment of inertiaIy
6.82in⁴
Elastic section modulusSy
2.27in³
Plastic section modulusZy
3.86in³
Radius of gyrationry
1.17in

Torsion and stability

Polar radius (shear center)r̄o
2.03in
Flexural constantH
0.715

Centers

Centroidȳ
1.27in
Plastic neutral axisyp
0.68in

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards