Dimensions and section properties for 2L4X3.5X0.3125LLBB

Structural sectional properties for a 2L4X3.5X0.3125LLBB standard steel section

US Customary Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L4X3.5X0.3125LLBB
Cross Sectional Area	A	4.5 in²
Section Width	b	4 in
Section Depth	d	3.5 in
Flange thickness	tf	0.313 in
Web thickness	tw	0.313 in
Radius of Gyration about X-X	rx	1.25 in
Radius of Gyrations about Y-Y	ry	1.4 in
Moment of Inertia about X-X	Ix	7.06 in⁴
Moment of Intertia about Y-Y	Iy	8.82 in⁴
Elastic Section Modulus about X-X	Sx	2.5 in³
Elastic Section Modulus about Y-Y	Sy	2.52 in³
Plastic Section Modulus about X-X	Zx	4.48 in³
Plastic Section Modulus about Y-Y	Zy	4.15 in³
Self Weight of section	Weight	15.4 lb/ft

Metric Units

Description	Symbol	Value
Shape Category / Designation	Type	2L
Section Name	Name	2L4X3.5X0.3125LLBB
Cross Sectional Area	A	2903 mm²
Section Width	b	102 mm
Section Depth	d	89 mm
Flange thickness	tf	8 mm
Web thickness	tw	8 mm
Radius of Gyration about X-X	rx	32 mm
Radius of Gyrations about Y-Y	ry	36 mm
Moment of Inertia about X-X	Ix	3000000 mm⁴
Moment of Intertia about Y-Y	Iy	4000000 mm⁴
Elastic Section Modulus about X-X	Sx	41000 mm³
Elastic Section Modulus about Y-Y	Sy	41000 mm³
Plastic Section Modulus about X-X	Zx	73000 mm³
Plastic Section Modulus about Y-Y	Zy	68000 mm³
St. Venant Torsional Constant	J	NaN mm⁴
Warping Torsion Constant	Cw	NaN mm⁶
Self Weight of section	Weight	23 kg/m

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

A 2L4X3.5X0.3125LLBB steel section is a standard North American steel section in the 2L - Doubled Angles category. It weighs 15.4 lb/ft and has a cross sectional area of 4.5 in². The height and width of the section are 3.5 in and 4 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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