Angles (L)

L3X3X1/4 L76X76X6.4

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

Dimensions

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

Mass and area

Mass per lengthm
4.9lb/ft
Cross-sectional areaA
1.44in²

Strong axis x–x

Moment of inertiaIx
1.23in⁴
Elastic section modulusSx
0.569in³
Plastic section modulusZx
1.02in³
Radius of gyrationrx
0.926in

Weak axis y–y

Moment of inertiaIy
1.23in⁴
Elastic section modulusSy
0.569in³
Plastic section modulusZy
1.02in³
Radius of gyrationry
0.926in

Principal axes

Moment of inertia, minor principal axisIz
0.49in⁴
Section modulus, minor principal axisSz
0.415in³
Radius of gyration, minor principal axisrz
0.585in
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
0.0313in⁴
Warping constantCw
0.0206in⁶
Polar radius (shear center)r̄o
1.65in
Flexural constantH
0.63

Centers

Centroidx̄
0.836in
Centroidȳ
0.836in
Plastic neutral axisxp
0.24in
Plastic neutral axisyp
0.24in

Slenderness ratios

Wall slendernessb/t
12

Equivalents in other standards