Angles (L)

L3-1/2X3X1/2 L89X76X12.7

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 = 3.5d = 3t = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3.5in
Thicknesst
0.5in
Distance k (design)kdes
0.875in
Distance k (detailing)kdet
0.875in

Mass and area

Mass per lengthm
10.2lb/ft
Cross-sectional areaA
3.02in²

Strong axis x–x

Moment of inertiaIx
3.45in⁴
Elastic section modulusSx
1.45in³
Plastic section modulusZx
2.61in³
Radius of gyrationrx
1.07in

Weak axis y–y

Moment of inertiaIy
2.32in⁴
Elastic section modulusSy
1.09in³
Plastic section modulusZy
1.97in³
Radius of gyrationry
0.877in

Principal axes

Moment of inertia, minor principal axisIz
1.15in⁴
Section modulus, minor principal axisSz
0.846in³
Radius of gyration, minor principal axisrz
0.618in
Tangent of principal axis angletan α
0.713

Torsion and stability

Torsional constantJ
0.26in⁴
Warping constantCw
0.191in⁶
Polar radius (shear center)r̄o
1.75in

Centers

Centroidx̄
0.869in
Centroidȳ
1.12in
Plastic neutral axisxp
0.431in
Plastic neutral axisyp
0.48in

Slenderness ratios

Wall slendernessb/t
7

Equivalents in other standards