Angles (L)

L4X4X5/8 L102X102X15.9

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 = 4d = 4t = 0.625t = 0.625
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
4in
Thicknesst
0.625in
Distance k (design)kdes
1in
Distance k (detailing)kdet
1in

Mass and area

Mass per lengthm
15.7lb/ft
Cross-sectional areaA
4.61in²

Strong axis x–x

Moment of inertiaIx
6.62in⁴
Elastic section modulusSx
2.38in³
Plastic section modulusZx
4.28in³
Radius of gyrationrx
1.2in

Weak axis y–y

Moment of inertiaIy
6.62in⁴
Elastic section modulusSy
2.38in³
Plastic section modulusZy
4.28in³
Radius of gyrationry
1.2in

Principal axes

Moment of inertia, minor principal axisIz
2.76in⁴
Section modulus, minor principal axisSz
1.6in³
Radius of gyration, minor principal axisrz
0.774in
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
0.61in⁴
Warping constantCw
0.68in⁶
Polar radius (shear center)r̄o
2.13in
Flexural constantH
0.63

Centers

Centroidx̄
1.22in
Centroidȳ
1.22in
Plastic neutral axisxp
0.576in
Plastic neutral axisyp
0.576in

Slenderness ratios

Wall slendernessb/t
6.4

Equivalents in other standards