Double angles (2L)

2L7X4X1/2SLBB 2L178X102X12.7SLBB

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 = 14.41d = 4t = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
7in
Thicknesst
0.5in

Mass and area

Mass per lengthm
35.8lb/ft
Cross-sectional areaA
10.5in²

Strong axis x–x

Moment of inertiaIx
13in⁴
Elastic section modulusSx
4.2in³
Plastic section modulusZx
7.54in³
Radius of gyrationrx
1.11in

Weak axis y–y

Moment of inertiaIy
114in⁴
Elastic section modulusSy
16.3in³
Plastic section modulusZy
25.2in³
Radius of gyrationry
3.29in

Torsion and stability

Polar radius (shear center)r̄o
3.53in
Flexural constantH
0.965

Centers

Centroidȳ
0.91in
Plastic neutral axisyp
0.376in

Slenderness ratios

Wall slendernessb/t
14

Equivalents in other standards