Angles (L)

L4X3X3/8 L102X76X9.5

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 = 3t = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
4in
Thicknesst
0.375in
Distance k (design)kdes
0.75in
Distance k (detailing)kdet
0.75in

Mass and area

Mass per lengthm
8.5lb/ft
Cross-sectional areaA
2.49in²

Strong axis x–x

Moment of inertiaIx
3.94in⁴
Elastic section modulusSx
1.44in³
Plastic section modulusZx
2.6in³
Radius of gyrationrx
1.26in

Weak axis y–y

Moment of inertiaIy
1.89in⁴
Elastic section modulusSy
0.851in³
Plastic section modulusZy
1.52in³
Radius of gyrationry
0.873in

Principal axes

Moment of inertia, minor principal axisIz
1in⁴
Section modulus, minor principal axisSz
0.699in³
Radius of gyration, minor principal axisrz
0.636in
Tangent of principal axis angletan α
0.551

Torsion and stability

Torsional constantJ
0.123in⁴
Warping constantCw
0.114in⁶
Polar radius (shear center)r̄o
1.97in

Centers

Centroidx̄
0.775in
Centroidȳ
1.27in
Plastic neutral axisxp
0.311in
Plastic neutral axisyp
0.68in

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards