Angles (L)

L3-1/2X3-1/2X1/2 L89X89X12.7

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

Dimensions

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

Mass and area

Mass per lengthm
11.1lb/ft
Cross-sectional areaA
3.25in²

Strong axis x–x

Moment of inertiaIx
3.63in⁴
Elastic section modulusSx
1.48in³
Plastic section modulusZx
2.66in³
Radius of gyrationrx
1.05in

Weak axis y–y

Moment of inertiaIy
3.63in⁴
Elastic section modulusSy
1.48in³
Plastic section modulusZy
2.66in³
Radius of gyrationry
1.05in

Principal axes

Moment of inertia, minor principal axisIz
1.51in⁴
Section modulus, minor principal axisSz
1.02in³
Radius of gyration, minor principal axisrz
0.679in
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
0.281in⁴
Warping constantCw
0.238in⁶
Polar radius (shear center)r̄o
1.87in
Flexural constantH
0.63

Centers

Centroidx̄
1.05in
Centroidȳ
1.05in
Plastic neutral axisxp
0.464in
Plastic neutral axisyp
0.464in

Slenderness ratios

Wall slendernessb/t
7

Equivalents in other standards