Angles (L)

L4X3-1/2X3/8 L102X89X9.5

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 = 3.5t = 0.375t = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
4in
Thicknesst
0.375in
Distance k (design)kdes
0.75in
Distance k (detailing)kdet
0.75in

Mass and area

Mass per lengthm
9.1lb/ft
Cross-sectional areaA
2.68in²

Strong axis x–x

Moment of inertiaIx
4.15in⁴
Elastic section modulusSx
1.48in³
Plastic section modulusZx
2.66in³
Radius of gyrationrx
1.25in

Weak axis y–y

Moment of inertiaIy
2.96in⁴
Elastic section modulusSy
1.16in³
Plastic section modulusZy
2.06in³
Radius of gyrationry
1.05in

Principal axes

Moment of inertia, minor principal axisIz
1.39in⁴
Section modulus, minor principal axisSz
0.939in³
Radius of gyration, minor principal axisrz
0.719in
Tangent of principal axis angletan α
0.755

Torsion and stability

Torsional constantJ
0.132in⁴
Warping constantCw
0.134in⁶
Polar radius (shear center)r̄o
2.06in

Centers

Centroidx̄
0.947in
Centroidȳ
1.2in
Plastic neutral axisxp
0.335in
Plastic neutral axisyp
0.427in

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards