Dimensions and section properties for L8X4X1

Structural sectional properties for a L8X4X1 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeL
Section NameNameL8X4X1
Cross Sectional AreaA11.1 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-Yry1.03 in
Moment of Inertia about X-XIx69.7 in4
Moment of Intertia about Y-YIy11.6 in4
Elastic Section Modulus about X-XSx14 in3
Elastic Section Modulus about Y-YSy3.94 in3
Plastic Section Modulus about X-XZx24.3 in3
Plastic Section Modulus about Y-YZy7.73 in3
St. Venant Torsional ConstantJ3.68 in4
Warping Torsion ConstantCw12.9 in6
Self Weight of sectionWeight37.4 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeL
Section NameNameL8X4X1
Cross Sectional AreaA7161 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-Yry26 mm
Moment of Inertia about X-XIx29000000 mm4
Moment of Intertia about Y-YIy5000000 mm4
Elastic Section Modulus about X-XSx229000 mm3
Elastic Section Modulus about Y-YSy65000 mm3
Plastic Section Modulus about X-XZx398000 mm3
Plastic Section Modulus about Y-YZy127000 mm3
St. Venant Torsional ConstantJ1532000 mm4
Warping Torsion ConstantCw3000000000 mm6
Self Weight of sectionWeight56 kg/m

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

A L8X4X1 steel section is a standard North American steel section in the L - Angle category. It weighs 37.4 lb/ft and has a cross sectional area of 11.1 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