Double angles (2L)

2L7X4X3/8X3/4LLBB 2L178X102X9.5X19LLBB

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 = 8.425d = 7t = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
4in
Thicknesst
0.375in

Mass and area

Mass per lengthm
27.2lb/ft
Cross-sectional areaA
8in²

Strong axis x–x

Moment of inertiaIx
41in⁴
Elastic section modulusSx
8.84in³
Plastic section modulusZx
15.6in³
Radius of gyrationrx
2.27in

Weak axis y–y

Moment of inertiaIy
22.3in⁴
Elastic section modulusSy
5.1in³
Plastic section modulusZy
9.89in³
Radius of gyrationry
1.67in

Torsion and stability

Polar radius (shear center)r̄o
3.55in
Flexural constantH
0.629

Centers

Centroidȳ
2.35in
Plastic neutral axisyp
1.67in

Slenderness ratios

Wall slendernessb/t
18.7

Equivalents in other standards