Dimensions and section properties for 2L7X4X0.750X0.750LLBB

Structural sectional properties for a 2L7X4X0.750X0.750LLBB standard steel section


steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L7X4X0.750X0.750LLBB
Cross Sectional AreaA15.5 in2
Section Widthb7 in
Section Depthd4 in
Flange thicknesstf0.75 in
Web thicknesstw0.75 in
Radius of Gyration about X-Xrx2.21 in
Radius of Gyrations about Y-Yry1.75 in
Moment of Inertia about X-XIx75.6 in4
Moment of Intertia about Y-YIy47.5 in4
Elastic Section Modulus about X-XSx16.8 in3
Elastic Section Modulus about Y-YSy10.9 in3
Plastic Section Modulus about X-XZx29.6 in3
Plastic Section Modulus about Y-YZy21.3 in3
Self Weight of sectionWeight52.4 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationType2L
Section NameName2L7X4X0.750X0.750LLBB
Cross Sectional AreaA10000 mm2
Section Widthb178 mm
Section Depthd102 mm
Flange thicknesstf19.1 mm
Web thicknesstw19.1 mm
Radius of Gyration about X-Xrx56 mm
Radius of Gyrations about Y-Yry44 mm
Moment of Inertia about X-XIx31000000 mm4
Moment of Intertia about Y-YIy20000000 mm4
Elastic Section Modulus about X-XSx275000 mm3
Elastic Section Modulus about Y-YSy179000 mm3
Plastic Section Modulus about X-XZx485000 mm3
Plastic Section Modulus about Y-YZy349000 mm3
St. Venant Torsional ConstantJNaN mm4
Warping Torsion ConstantCwNaN mm6
Self Weight of sectionWeight78 kg/m

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

A 2L7X4X0.750X0.750LLBB steel section is a standard North American steel section in the 2L - Doubled Angles category. It weighs 52.4 lb/ft and has a cross sectional area of 15.5 in2. The height and width of the section are 4 in and 7 in respectively.

The section has a tensile yield capacity of:

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The section has a flexural plastic moment capacity of:

kip-ft

The section has a flexural elastic moment capacity of:

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