Angles (L)

L2-1/2X2-1/2X1/2 L64X64X12.7

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 = 2.5d = 2.5t = 0.5t = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
2.5in
Widthb
2.5in
Thicknesst
0.5in
Distance k (design)kdes
0.75in
Distance k (detailing)kdet
0.75in

Mass and area

Mass per lengthm
7.7lb/ft
Cross-sectional areaA
2.26in²

Strong axis x–x

Moment of inertiaIx
1.22in⁴
Elastic section modulusSx
0.716in³
Plastic section modulusZx
1.29in³
Radius of gyrationrx
0.735in

Weak axis y–y

Moment of inertiaIy
1.22in⁴
Elastic section modulusSy
0.716in³
Plastic section modulusZy
1.29in³
Radius of gyrationry
0.735in

Principal axes

Moment of inertia, minor principal axisIz
0.526in⁴
Section modulus, minor principal axisSz
0.461in³
Radius of gyration, minor principal axisrz
0.481in
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
0.188in⁴
Warping constantCw
0.0791in⁶
Polar radius (shear center)r̄o
1.3in
Flexural constantH
0.64

Centers

Centroidx̄
0.803in
Centroidȳ
0.803in
Plastic neutral axisxp
0.452in
Plastic neutral axisyp
0.452in

Slenderness ratios

Wall slendernessb/t
5

Equivalents in other standards