Angles (L)

L5X3X1/4 L127X76X6.4

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 = 5d = 3t = 0.25t = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
5in
Thicknesst
0.25in
Distance k (design)kdes
0.688in
Distance k (detailing)kdet
0.6875in

Mass and area

Mass per lengthm
6.6lb/ft
Cross-sectional areaA
1.94in²

Strong axis x–x

Moment of inertiaIx
5.09in⁴
Elastic section modulusSx
1.51in³
Plastic section modulusZx
2.68in³
Radius of gyrationrx
1.62in

Weak axis y–y

Moment of inertiaIy
1.41in⁴
Elastic section modulusSy
0.6in³
Plastic section modulusZy
1.05in³
Radius of gyrationry
0.853in

Principal axes

Moment of inertia, minor principal axisIz
0.825in⁴
Section modulus, minor principal axisSz
0.491in³
Radius of gyration, minor principal axisrz
0.652in
Tangent of principal axis angletan α
0.371

Torsion and stability

Torsional constantJ
0.0438in⁴
Warping constantCw
0.0606in⁶
Polar radius (shear center)r̄o
2.43in

Centers

Centroidx̄
0.648in
Centroidȳ
1.64in
Plastic neutral axisxp
0.194in
Plastic neutral axisyp
1.12in

Slenderness ratios

Wall slendernessb/t
20

Equivalents in other standards