Angles (L)

L7X4X3/8 L178X102X9.5

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.
xyb = 7d = 4t = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
7in
Thicknesst
0.375in
Distance k (design)kdes
0.875in
Distance k (detailing)kdet
0.875in

Mass and area

Mass per lengthm
13.6lb/ft
Cross-sectional areaA
4in²

Strong axis x–x

Moment of inertiaIx
20.5in⁴
Elastic section modulusSx
4.42in³
Plastic section modulusZx
7.81in³
Radius of gyrationrx
2.27in

Weak axis y–y

Moment of inertiaIy
5.06in⁴
Elastic section modulusSy
1.61in³
Plastic section modulusZy
2.84in³
Radius of gyrationry
1.12in

Principal axes

Moment of inertia, minor principal axisIz
3.04in⁴
Section modulus, minor principal axisSz
1.33in³
Radius of gyration, minor principal axisrz
0.873in
Tangent of principal axis angletan α
0.339

Torsion and stability

Torsional constantJ
0.198in⁴
Warping constantCw
0.544in⁶
Polar radius (shear center)r̄o
3.4in

Centers

Centroidx̄
0.861in
Centroidȳ
2.35in
Plastic neutral axisxp
0.286in
Plastic neutral axisyp
1.67in

Slenderness ratios

Wall slendernessb/t
18.7

Equivalents in other standards