Dimensions and section properties for 2L8X4X1LLBB

Structural sectional properties for a 2L8X4X1LLBB standard steel section

US Customary Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L8X4X1LLBB
Cross Sectional Area	A	22.2 in²
Section Width	b	8 in
Section Depth	d	4 in
Flange thickness	tf	1 in
Web thickness	tw	1 in
Radius of Gyration about X-X	rx	2.51 in
Radius of Gyrations about Y-Y	ry	1.46 in
Moment of Inertia about X-X	Ix	139 in⁴
Moment of Intertia about Y-Y	Iy	47.3 in⁴
Elastic Section Modulus about X-X	Sx	28 in³
Elastic Section Modulus about Y-Y	Sy	11.8 in³
Plastic Section Modulus about X-X	Zx	48.6 in³
Plastic Section Modulus about Y-Y	Zy	23.1 in³
Self Weight of section	Weight	74.8 lb/ft

Metric Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L8X4X1LLBB
Cross Sectional Area	A	14323 mm²
Section Width	b	203 mm
Section Depth	d	102 mm
Flange thickness	tf	25.4 mm
Web thickness	tw	25.4 mm
Radius of Gyration about X-X	rx	64 mm
Radius of Gyrations about Y-Y	ry	37 mm
Moment of Inertia about X-X	Ix	58000000 mm⁴
Moment of Intertia about Y-Y	Iy	20000000 mm⁴
Elastic Section Modulus about X-X	Sx	459000 mm³
Elastic Section Modulus about Y-Y	Sy	193000 mm³
Plastic Section Modulus about X-X	Zx	796000 mm³
Plastic Section Modulus about Y-Y	Zy	379000 mm³
St. Venant Torsional Constant	J	NaN mm⁴
Warping Torsion Constant	Cw	NaN mm⁶
Self Weight of section	Weight	111 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:

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The section has a flexural plastic moment capacity of:

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The section has a flexural elastic moment capacity of:

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