Dimensions and section properties for 2L8X4X1SLBB

Structural sectional properties for a 2L8X4X1SLBB standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L8X4X1SLBB
Cross Sectional AreaA22.2 in2
Section Widthb8 in
Section Depthd4 in
Flange thicknesstf1 in
Web thicknesstw1 in
Radius of Gyration about X-Xrx1.03 in
Radius of Gyrations about Y-Yry3.94 in
Moment of Inertia about X-XIx23.3 in4
Moment of Intertia about Y-YIy345 in4
Elastic Section Modulus about X-XSx7.87 in3
Elastic Section Modulus about Y-YSy43.1 in3
Plastic Section Modulus about X-XZx15.5 in3
Plastic Section Modulus about Y-YZy67.3 in3
Self Weight of sectionWeight74.8 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L8X4X1SLBB
Cross Sectional AreaA14323 mm2
Section Widthb203 mm
Section Depthd102 mm
Flange thicknesstf25.4 mm
Web thicknesstw25.4 mm
Radius of Gyration about X-Xrx26 mm
Radius of Gyrations about Y-Yry100 mm
Moment of Inertia about X-XIx10000000 mm4
Moment of Intertia about Y-YIy144000000 mm4
Elastic Section Modulus about X-XSx129000 mm3
Elastic Section Modulus about Y-YSy706000 mm3
Plastic Section Modulus about X-XZx254000 mm3
Plastic Section Modulus about Y-YZy1103000 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 2L8X4X1SLBB 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