Double angles (2L)

2L5X3X1/4SLBB 2L127X76X6.4SLBB

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 = 10.39d = 3t = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
5in
Thicknesst
0.25in

Mass and area

Mass per lengthm
13.2lb/ft
Cross-sectional areaA
3.88in²

Strong axis x–x

Moment of inertiaIx
2.82in⁴
Elastic section modulusSx
1.2in³
Plastic section modulusZx
2.1in³
Radius of gyrationrx
0.853in

Weak axis y–y

Moment of inertiaIy
20.5in⁴
Elastic section modulusSy
4.1in³
Plastic section modulusZy
6.36in³
Radius of gyrationry
2.3in

Torsion and stability

Polar radius (shear center)r̄o
2.51in
Flexural constantH
0.957

Centers

Centroidȳ
0.648in
Plastic neutral axisyp
0.194in

Slenderness ratios

Wall slendernessb/t
20

Equivalents in other standards