Angles (L)

L8X4X5/8 L203X102X15.9

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 = 8d = 4t = 0.625t = 0.625
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
8in
Thicknesst
0.625in
Distance k (design)kdes
1.13in
Distance k (detailing)kdet
1.125in

Mass and area

Mass per lengthm
24.2lb/ft
Cross-sectional areaA
7.16in²

Strong axis x–x

Moment of inertiaIx
47in⁴
Elastic section modulusSx
9.2in³
Plastic section modulusZx
16.1in³
Radius of gyrationrx
2.56in

Weak axis y–y

Moment of inertiaIy
8.11in⁴
Elastic section modulusSy
2.62in³
Plastic section modulusZy
4.86in³
Radius of gyrationry
1.06in

Principal axes

Moment of inertia, minor principal axisIz
5.24in⁴
Section modulus, minor principal axisSz
2.24in³
Radius of gyration, minor principal axisrz
0.856in
Tangent of principal axis angletan α
0.262

Torsion and stability

Torsional constantJ
0.955in⁴
Warping constantCw
3.42in⁶
Polar radius (shear center)r̄o
3.83in

Centers

Centroidx̄
0.902in
Centroidȳ
2.89in
Plastic neutral axisxp
0.448in
Plastic neutral axisyp
2.27in

Slenderness ratios

Wall slendernessb/t
12.8

Equivalents in other standards