Dimensions and section properties for Pipe12XS

Structural sectional properties for a Pipe12XS standard steel section

US Customary Units

Description	Symbol	Value
Shape Category / Designation	Type	PIPE
Section Name	Name	Pipe12XS
Cross Sectional Area	A	17.5 in²
Section Depth	d	12.8 in
Flange thickness	tf	0.5 in
Web thickness	tw	0.5 in
Radius of Gyration about X-X	rx	4.35 in
Radius of Gyrations about Y-Y	ry	4.35 in
Moment of Inertia about X-X	Ix	339 in⁴
Moment of Intertia about Y-Y	Iy	339 in⁴
Elastic Section Modulus about X-X	Sx	53.2 in³
Elastic Section Modulus about Y-Y	Sy	53.2 in³
Plastic Section Modulus about X-X	Zx	70.2 in³
Plastic Section Modulus about Y-Y	Zy	70.2 in³
St. Venant Torsional Constant	J	678 in⁴
Self Weight of section	Weight	65.5 lb/ft

Metric Units

Description	Symbol	Value
Shape Category / Designation	Type	PIPE
Section Name	Name	Pipe12XS
Cross Sectional Area	A	11290 mm²
Section Depth	d	325 mm
Flange thickness	tf	12.7 mm
Web thickness	tw	12.7 mm
Radius of Gyration about X-X	rx	110 mm
Radius of Gyrations about Y-Y	ry	110 mm
Moment of Inertia about X-X	Ix	141000000 mm⁴
Moment of Intertia about Y-Y	Iy	141000000 mm⁴
Elastic Section Modulus about X-X	Sx	872000 mm³
Elastic Section Modulus about Y-Y	Sy	872000 mm³
Plastic Section Modulus about X-X	Zx	1150000 mm³
Plastic Section Modulus about Y-Y	Zy	1150000 mm³
St. Venant Torsional Constant	J	282205000 mm⁴
Self Weight of section	Weight	97 kg/m

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

A Pipe12XS 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 65.5 lb/ft (97 kg/m) and has a cross sectional area of 17.5 in² (11290 mm²).

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