Double angles (2L)

2L12X12X1-1/8X1-1/2 2L305X305X28.6X38

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.
xy2b + s = 24.41d = 12t = 1.13t = 1.13
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
12in
Thicknesst
1.13in

Mass and area

Mass per lengthm
174lb/ft
Cross-sectional areaA
51.6in²

Strong axis x–x

Moment of inertiaIx
700in⁴
Elastic section modulusSx
81.4in³
Plastic section modulusZx
147in³
Radius of gyrationrx
3.68in

Weak axis y–y

Moment of inertiaIy
1,590in⁴
Elastic section modulusSy
125in³
Plastic section modulusZy
215in³
Radius of gyrationry
5.55in

Torsion and stability

Polar radius (shear center)r̄o
7.24in
Flexural constantH
0.846

Centers

Centroidȳ
3.41in
Plastic neutral axisyp
1.08in

Slenderness ratios

Wall slendernessb/t
10.6

Equivalents in other standards