Dimensions and section properties for 2L8X4X0.500SLBB

Structural sectional properties for a 2L8X4X0.500SLBB standard steel section

US Customary Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L8X4X0.500SLBB
Cross Sectional Area	A	11.6 in²
Section Width	b	8 in
Section Depth	d	4 in
Flange thickness	tf	0.5 in
Web thickness	tw	0.5 in
Radius of Gyration about X-X	rx	1.08 in
Radius of Gyrations about Y-Y	ry	3.83 in
Moment of Inertia about X-X	Ix	13.5 in⁴
Moment of Intertia about Y-Y	Iy	170 in⁴
Elastic Section Modulus about X-X	Sx	4.29 in³
Elastic Section Modulus about Y-Y	Sy	21.2 in³
Plastic Section Modulus about X-X	Zx	7.81 in³
Plastic Section Modulus about Y-Y	Zy	32.9 in³
Self Weight of section	Weight	39.2 lb/ft

Metric Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L8X4X0.500SLBB
Cross Sectional Area	A	7484 mm²
Section Width	b	203 mm
Section Depth	d	102 mm
Flange thickness	tf	12.7 mm
Web thickness	tw	12.7 mm
Radius of Gyration about X-X	rx	27 mm
Radius of Gyrations about Y-Y	ry	97 mm
Moment of Inertia about X-X	Ix	6000000 mm⁴
Moment of Intertia about Y-Y	Iy	71000000 mm⁴
Elastic Section Modulus about X-X	Sx	70000 mm³
Elastic Section Modulus about Y-Y	Sy	347000 mm³
Plastic Section Modulus about X-X	Zx	128000 mm³
Plastic Section Modulus about Y-Y	Zy	539000 mm³
St. Venant Torsional Constant	J	NaN mm⁴
Self Weight of section	Weight	58 kg/m

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

A 2L8X4X0.500SLBB steel section is a standard North American steel section in the 2L - Doubled Angles category. The height and width of the section are 4 in (102 mm) and 8 in (203 mm) respectively. It weighs 39.2 lb/ft (58 kg/m) and has a cross sectional area of 11.6 in² (7484 mm²).

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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