Double angles (2L)

2L3X3X7/16 2L76X76X11.1

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 = 3t = 0.438t = 0.438
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3in
Thicknesst
0.438in

Mass and area

Mass per lengthm
16.6lb/ft
Cross-sectional areaA
4.86in²

Strong axis x–x

Moment of inertiaIx
3.96in⁴
Elastic section modulusSx
1.89in³
Plastic section modulusZx
3.4in³
Radius of gyrationrx
0.903in

Weak axis y–y

Moment of inertiaIy
7.96in⁴
Elastic section modulusSy
2.65in³
Plastic section modulusZy
4.41in³
Radius of gyrationry
1.28in

Torsion and stability

Polar radius (shear center)r̄o
1.71in
Flexural constantH
0.838

Centers

Centroidȳ
0.907in
Plastic neutral axisyp
0.405in

Slenderness ratios

Wall slendernessb/t
6.85

Equivalents in other standards