Dimensions and section properties for 2L8X4X1SLBB

Structural sectional properties for a 2L8X4X1SLBB standard steel section

US Customary Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L8X4X1SLBB
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	1.03 in
Radius of Gyrations about Y-Y	ry	3.94 in
Moment of Inertia about X-X	Ix	23.3 in⁴
Moment of Intertia about Y-Y	Iy	345 in⁴
Elastic Section Modulus about X-X	Sx	7.87 in³
Elastic Section Modulus about Y-Y	Sy	43.1 in³
Plastic Section Modulus about X-X	Zx	15.5 in³
Plastic Section Modulus about Y-Y	Zy	67.3 in³
Self Weight of section	Weight	74.8 lb/ft

Metric Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L8X4X1SLBB
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	26 mm
Radius of Gyrations about Y-Y	ry	100 mm
Moment of Inertia about X-X	Ix	10000000 mm⁴
Moment of Intertia about Y-Y	Iy	144000000 mm⁴
Elastic Section Modulus about X-X	Sx	129000 mm³
Elastic Section Modulus about Y-Y	Sy	706000 mm³
Plastic Section Modulus about X-X	Zx	254000 mm³
Plastic Section Modulus about Y-Y	Zy	1103000 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 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