Double angles (2L)

2L7X4X3/8SLBB 2L178X102X9.5SLBB

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 = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
7in
Thicknesst
0.375in

Mass and area

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

Strong axis x–x

Moment of inertiaIx
10.1in⁴
Elastic section modulusSx
3.22in³
Plastic section modulusZx
5.68in³
Radius of gyrationrx
1.12in

Weak axis y–y

Moment of inertiaIy
85in⁴
Elastic section modulusSy
12.1in³
Plastic section modulusZy
18.8in³
Radius of gyrationry
3.26in

Torsion and stability

Polar radius (shear center)r̄o
3.52in
Flexural constantH
0.963

Centers

Centroidȳ
0.861in
Plastic neutral axisyp
0.286in

Slenderness ratios

Wall slendernessb/t
18.7

Equivalents in other standards