Double angles (2L)

2L3X3X1/4X3/4 2L76X76X6.4X19

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 = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3in
Thicknesst
0.25in

Mass and area

Mass per lengthm
9.8lb/ft
Cross-sectional areaA
2.88in²

Strong axis x–x

Moment of inertiaIx
2.46in⁴
Elastic section modulusSx
1.14in³
Plastic section modulusZx
2.04in³
Radius of gyrationrx
0.926in

Weak axis y–y

Moment of inertiaIy
6.65in⁴
Elastic section modulusSy
1.97in³
Plastic section modulusZy
3.49in³
Radius of gyrationry
1.52in

Torsion and stability

Polar radius (shear center)r̄o
1.92in
Flexural constantH
0.863

Centers

Centroidȳ
0.836in
Plastic neutral axisyp
0.24in

Slenderness ratios

Wall slendernessb/t
12

Equivalents in other standards