Angles (L)

L4X3-1/2X1/4 L102X89X6.4

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 = 4d = 3.5t = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
4in
Thicknesst
0.25in
Distance k (design)kdes
0.625in
Distance k (detailing)kdet
0.625in

Mass and area

Mass per lengthm
6.2lb/ft
Cross-sectional areaA
1.82in²

Strong axis x–x

Moment of inertiaIx
2.89in⁴
Elastic section modulusSx
1.01in³
Plastic section modulusZx
1.81in³
Radius of gyrationrx
1.26in

Weak axis y–y

Moment of inertiaIy
2.07in⁴
Elastic section modulusSy
0.794in³
Plastic section modulusZy
1.4in³
Radius of gyrationry
1.07in

Principal axes

Moment of inertia, minor principal axisIz
0.953in⁴
Section modulus, minor principal axisSz
0.653in³
Radius of gyration, minor principal axisrz
0.723in
Tangent of principal axis angletan α
0.759

Torsion and stability

Torsional constantJ
0.0412in⁴
Warping constantCw
0.0419in⁶
Polar radius (shear center)r̄o
2.09in

Centers

Centroidx̄
0.897in
Centroidȳ
1.14in
Plastic neutral axisxp
0.228in
Plastic neutral axisyp
0.36in

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards