Double angles (2L)

2L3X3X1/2 2L76X76X12.7

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 = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3in
Thicknesst
0.5in

Mass and area

Mass per lengthm
18.8lb/ft
Cross-sectional areaA
5.52in²

Strong axis x–x

Moment of inertiaIx
4.4in⁴
Elastic section modulusSx
2.12in³
Plastic section modulusZx
3.82in³
Radius of gyrationrx
0.895in

Weak axis y–y

Moment of inertiaIy
9.19in⁴
Elastic section modulusSy
3.06in³
Plastic section modulusZy
5.13in³
Radius of gyrationry
1.29in

Torsion and stability

Polar radius (shear center)r̄o
1.71in
Flexural constantH
0.842

Centers

Centroidȳ
0.929in
Plastic neutral axisyp
0.46in

Slenderness ratios

Wall slendernessb/t
6

Equivalents in other standards