Dimensions and section properties for Pipe12STD

Structural sectional properties for a Pipe12STD standard steel section

US Customary Units

Description	Symbol	Value
Shape Category / Designation	Type	PIPE
Section Name	Name	Pipe12STD
Cross Sectional Area	A	13.7 in²
Section Depth	d	12.8 in
Flange thickness	tf	0.375 in
Web thickness	tw	0.375 in
Radius of Gyration about X-X	rx	4.39 in
Radius of Gyrations about Y-Y	ry	4.39 in
Moment of Inertia about X-X	Ix	262 in⁴
Moment of Intertia about Y-Y	Iy	262 in⁴
Elastic Section Modulus about X-X	Sx	41 in³
Elastic Section Modulus about Y-Y	Sy	41 in³
Plastic Section Modulus about X-X	Zx	53.7 in³
Plastic Section Modulus about Y-Y	Zy	53.7 in³
St. Venant Torsional Constant	J	523 in⁴
Self Weight of section	Weight	49.6 lb/ft

Metric Units

Description	Symbol	Value
Shape Category / Designation	Type	PIPE
Section Name	Name	Pipe12STD
Cross Sectional Area	A	8839 mm²
Section Depth	d	325 mm
Flange thickness	tf	9.5 mm
Web thickness	tw	9.5 mm
Radius of Gyration about X-X	rx	112 mm
Radius of Gyrations about Y-Y	ry	112 mm
Moment of Inertia about X-X	Ix	109000000 mm⁴
Moment of Intertia about Y-Y	Iy	109000000 mm⁴
Elastic Section Modulus about X-X	Sx	672000 mm³
Elastic Section Modulus about Y-Y	Sy	672000 mm³
Plastic Section Modulus about X-X	Zx	880000 mm³
Plastic Section Modulus about Y-Y	Zy	880000 mm³
St. Venant Torsional Constant	J	217689000 mm⁴
Self Weight of section	Weight	74 kg/m

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

A Pipe12STD steel section is a standard North American steel section in the PIPE - STD Pipes category. The height and width of the section are 12.8 in (325 mm) and 12.8 in (325 mm) respectively. It weighs 49.6 lb/ft (74 kg/m) and has a cross sectional area of 13.7 in² (8839 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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