Angles (L)

L12X12X1-1/8 L305X305X28.6

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 = 12d = 12t = 1.13t = 1.13
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
12in
Thicknesst
1.13in
Distance k (design)kdes
1.84in
Distance k (detailing)kdet
1.813in

Mass and area

Mass per lengthm
87.2lb/ft
Cross-sectional areaA
25.8in²

Strong axis x–x

Moment of inertiaIx
350in⁴
Elastic section modulusSx
40.7in³
Plastic section modulusZx
73.7in³
Radius of gyrationrx
3.68in

Weak axis y–y

Moment of inertiaIy
350in⁴
Elastic section modulusSy
40.7in³
Plastic section modulusZy
73.7in³
Radius of gyrationry
3.68in

Principal axes

Moment of inertia, minor principal axisIz
140in⁴
Section modulus, minor principal axisSz
29in³
Radius of gyration, minor principal axisrz
2.33in
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
11.1in⁴
Warping constantCw
120in⁶
Polar radius (shear center)r̄o
6.58in
Flexural constantH
0.626

Centers

Centroidx̄
3.41in
Centroidȳ
3.41in
Plastic neutral axisxp
1.08in
Plastic neutral axisyp
1.08in

Slenderness ratios

Wall slendernessb/t
10.6

Equivalents in other standards