Double angles (2L)

2L2-1/2X2X5/16SLBB 2L64X51X7.9SLBB

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 = 5.394d = 2t = 0.313t = 0.313
Cross-section, to scaledimensions in inches

Dimensions

Depthd
2in
Widthb
2.5in
Thicknesst
0.313in

Mass and area

Mass per lengthm
9lb/ft
Cross-sectional areaA
2.64in²

Strong axis x–x

Moment of inertiaIx
0.891in⁴
Elastic section modulusSx
0.617in³
Plastic section modulusZx
1.11in³
Radius of gyrationrx
0.581in

Weak axis y–y

Moment of inertiaIy
3.31in⁴
Elastic section modulusSy
1.32in³
Plastic section modulusZy
2.12in³
Radius of gyrationry
1.12in

Torsion and stability

Polar radius (shear center)r̄o
1.32in
Flexural constantH
0.909

Centers

Centroidȳ
0.555in
Plastic neutral axisyp
0.264in

Slenderness ratios

Wall slendernessb/t
7.99

Equivalents in other standards