Angles (L)

L3-1/2X3X1/4 L89X76X6.4

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 = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3.5in
Thicknesst
0.25in
Distance k (design)kdes
0.625in
Distance k (detailing)kdet
0.625in

Mass and area

Mass per lengthm
5.4lb/ft
Cross-sectional areaA
1.58in²

Strong axis x–x

Moment of inertiaIx
1.92in⁴
Elastic section modulusSx
0.773in³
Plastic section modulusZx
1.39in³
Radius of gyrationrx
1.1in

Weak axis y–y

Moment of inertiaIy
1.3in⁴
Elastic section modulusSy
0.585in³
Plastic section modulusZy
1.04in³
Radius of gyrationry
0.908in

Principal axes

Moment of inertia, minor principal axisIz
0.622in⁴
Section modulus, minor principal axisSz
0.486in³
Radius of gyration, minor principal axisrz
0.628in
Tangent of principal axis angletan α
0.725

Torsion and stability

Torsional constantJ
0.036in⁴
Warping constantCw
0.027in⁶
Polar radius (shear center)r̄o
1.8in

Centers

Centroidx̄
0.773in
Centroidȳ
1.02in
Plastic neutral axisxp
0.226in
Plastic neutral axisyp
0.34in

Slenderness ratios

Wall slendernessb/t
14

Equivalents in other standards