Double angles (2L)

2L7X4X5/8X3/8SLBB 2L178X102X15.9X9SLBB

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 = 0.625t = 0.625
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
7in
Thicknesst
0.625in

Mass and area

Mass per lengthm
44.2lb/ft
Cross-sectional areaA
13in²

Strong axis x–x

Moment of inertiaIx
15.6in⁴
Elastic section modulusSx
5.12in³
Plastic section modulusZx
9.38in³
Radius of gyrationrx
1.1in

Weak axis y–y

Moment of inertiaIy
156in⁴
Elastic section modulusSy
21.7in³
Plastic section modulusZy
34.3in³
Radius of gyrationry
3.46in

Torsion and stability

Polar radius (shear center)r̄o
3.68in
Flexural constantH
0.969

Centers

Centroidȳ
0.958in
Plastic neutral axisyp
0.464in

Slenderness ratios

Wall slendernessb/t
11.2

Equivalents in other standards