Angles (L)

L4X4X5/16 L102X102X7.9

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 = 0.313t = 0.313
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
4in
Thicknesst
0.313in
Distance k (design)kdes
0.688in
Distance k (detailing)kdet
0.6875in

Mass and area

Mass per lengthm
8.2lb/ft
Cross-sectional areaA
2.4in²

Strong axis x–x

Moment of inertiaIx
3.67in⁴
Elastic section modulusSx
1.27in³
Plastic section modulusZx
2.26in³
Radius of gyrationrx
1.24in

Weak axis y–y

Moment of inertiaIy
3.67in⁴
Elastic section modulusSy
1.27in³
Plastic section modulusZy
2.26in³
Radius of gyrationry
1.24in

Principal axes

Moment of inertia, minor principal axisIz
1.46in⁴
Section modulus, minor principal axisSz
0.93in³
Radius of gyration, minor principal axisrz
0.781in
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
0.0832in⁴
Warping constantCw
0.0963in⁶
Polar radius (shear center)r̄o
2.21in
Flexural constantH
0.63

Centers

Centroidx̄
1.11in
Centroidȳ
1.11in
Plastic neutral axisxp
0.3in
Plastic neutral axisyp
0.3in

Slenderness ratios

Wall slendernessb/t
12.8

Equivalents in other standards