Dimensions and section properties for 2L8X4X1LLBB

Structural sectional properties for a 2L8X4X1LLBB standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L8X4X1LLBB
Cross Sectional AreaA22.2 in2
Section Widthb8 in
Section Depthd4 in
Flange thicknesstf1 in
Web thicknesstw1 in
Radius of Gyration about X-Xrx2.51 in
Radius of Gyrations about Y-Yry1.46 in
Moment of Inertia about X-XIx139 in4
Moment of Intertia about Y-YIy47.3 in4
Elastic Section Modulus about X-XSx28 in3
Elastic Section Modulus about Y-YSy11.8 in3
Plastic Section Modulus about X-XZx48.6 in3
Plastic Section Modulus about Y-YZy23.1 in3
Self Weight of sectionWeight74.8 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L8X4X1LLBB
Cross Sectional AreaA14323 mm2
Section Widthb203 mm
Section Depthd102 mm
Flange thicknesstf25.4 mm
Web thicknesstw25.4 mm
Radius of Gyration about X-Xrx64 mm
Radius of Gyrations about Y-Yry37 mm
Moment of Inertia about X-XIx58000000 mm4
Moment of Intertia about Y-YIy20000000 mm4
Elastic Section Modulus about X-XSx459000 mm3
Elastic Section Modulus about Y-YSy193000 mm3
Plastic Section Modulus about X-XZx796000 mm3
Plastic Section Modulus about Y-YZy379000 mm3
St. Venant Torsional ConstantJNaN mm4
Warping Torsion ConstantCwNaN mm6
Self Weight of sectionWeight111 kg/m

Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.

A 2L8X4X1LLBB steel section is a standard North American steel section in the 2L - Doubled Angles category. It weighs 74.8 lb/ft and has a cross sectional area of 22.2 in2. The height and width of the section are 4 in and 8 in respectively.

The section has a tensile yield capacity of:

kip

The section has a flexural plastic moment capacity of:

kip-ft

The section has a flexural elastic moment capacity of:

kip-ft