Double angles (2L)

2L5X3X5/16SLBB 2L127X76X7.9SLBB

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 = 0.313t = 0.313
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
5in
Thicknesst
0.313in

Mass and area

Mass per lengthm
16.4lb/ft
Cross-sectional areaA
4.82in²

Strong axis x–x

Moment of inertiaIx
3.44in⁴
Elastic section modulusSx
1.48in³
Plastic section modulusZx
2.62in³
Radius of gyrationrx
0.846in

Weak axis y–y

Moment of inertiaIy
25.9in⁴
Elastic section modulusSy
5.18in³
Plastic section modulusZy
8.05in³
Radius of gyrationry
2.32in

Torsion and stability

Polar radius (shear center)r̄o
2.52in
Flexural constantH
0.958

Centers

Centroidȳ
0.673in
Plastic neutral axisyp
0.241in

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards