Double angles (2L)

2L7X4X7/16SLBB 2L178X102X11.1SLBB

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 = 0.438t = 0.438
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
7in
Thicknesst
0.438in

Mass and area

Mass per lengthm
31.4lb/ft
Cross-sectional areaA
9.26in²

Strong axis x–x

Moment of inertiaIx
11.6in⁴
Elastic section modulusSx
3.72in³
Plastic section modulusZx
6.61in³
Radius of gyrationrx
1.12in

Weak axis y–y

Moment of inertiaIy
99.6in⁴
Elastic section modulusSy
14.2in³
Plastic section modulusZy
22in³
Radius of gyrationry
3.28in

Torsion and stability

Polar radius (shear center)r̄o
3.53in
Flexural constantH
0.964

Centers

Centroidȳ
0.886in
Plastic neutral axisyp
0.331in

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards