Double angles (2L)

2L3-1/2X2-1/2X5/16SLBB 2L89X64X7.9SLBB

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 = 7.394d = 2.5t = 0.313t = 0.313
Cross-section, to scaledimensions in inches

Dimensions

Depthd
2.5in
Widthb
3.5in
Thicknesst
0.313in

Mass and area

Mass per lengthm
12.2lb/ft
Cross-sectional areaA
3.58in²

Strong axis x–x

Moment of inertiaIx
1.87in⁴
Elastic section modulusSx
1in³
Plastic section modulusZx
1.8in³
Radius of gyrationrx
0.723in

Weak axis y–y

Moment of inertiaIy
8.94in⁴
Elastic section modulusSy
2.55in³
Plastic section modulusZy
4.05in³
Radius of gyrationry
1.58in

Torsion and stability

Polar radius (shear center)r̄o
1.8in
Flexural constantH
0.93

Centers

Centroidȳ
0.632in
Plastic neutral axisyp
0.256in

Slenderness ratios

Wall slendernessb/t
11.2

Equivalents in other standards