Dimensions and section properties for 2L8X4X0.4375LLBB

Structural sectional properties for a 2L8X4X0.4375LLBB standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L8X4X0.4375LLBB
Cross Sectional AreaA10.2 in2
Section Widthb8 in
Section Depthd4 in
Flange thicknesstf0.438 in
Web thicknesstw0.438 in
Radius of Gyration about X-Xrx2.59 in
Radius of Gyrations about Y-Yry1.37 in
Moment of Inertia about X-XIx68.4 in4
Moment of Intertia about Y-YIy19.1 in4
Elastic Section Modulus about X-XSx13.2 in3
Elastic Section Modulus about Y-YSy4.78 in3
Plastic Section Modulus about X-XZx23.2 in3
Plastic Section Modulus about Y-YZy8.47 in3
Self Weight of sectionWeight34.4 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L8X4X0.4375LLBB
Cross Sectional AreaA6581 mm2
Section Widthb203 mm
Section Depthd102 mm
Flange thicknesstf11.1 mm
Web thicknesstw11.1 mm
Radius of Gyration about X-Xrx66 mm
Radius of Gyrations about Y-Yry35 mm
Moment of Inertia about X-XIx28000000 mm4
Moment of Intertia about Y-YIy8000000 mm4
Elastic Section Modulus about X-XSx216000 mm3
Elastic Section Modulus about Y-YSy78000 mm3
Plastic Section Modulus about X-XZx380000 mm3
Plastic Section Modulus about Y-YZy139000 mm3
St. Venant Torsional ConstantJNaN mm4
Warping Torsion ConstantCwNaN mm6
Self Weight of sectionWeight51 kg/m

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

A 2L8X4X0.4375LLBB steel section is a standard North American steel section in the 2L - Doubled Angles category. It weighs 34.4 lb/ft and has a cross sectional area of 10.2 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