Dimensions and section properties for HP12X74

Structural sectional properties for a HP12X74 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeHP
Section NameNameHP12X74
Cross Sectional AreaA21.8 in2
Section Widthb12.2 in
Section Depthd12.1 in
Flange thicknesstf0.61 in
Web thicknesstw0.605 in
Radius of Gyration about X-Xrx5.11 in
Radius of Gyrations about Y-Yry2.92 in
Moment of Inertia about X-XIx569 in4
Moment of Intertia about Y-YIy186 in4
Elastic Section Modulus about X-XSx93.8 in3
Elastic Section Modulus about Y-YSy30.4 in3
Plastic Section Modulus about X-XZx105 in3
Plastic Section Modulus about Y-YZy46.6 in3
St. Venant Torsional ConstantJ2.98 in4
Warping Torsion ConstantCw6160 in6
Self Weight of sectionWeight74 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeHP
Section NameNameHP12X74
Cross Sectional AreaA14064 mm2
Section Widthb310 mm
Section Depthd307 mm
Flange thicknesstf15.5 mm
Web thicknesstw15.4 mm
Radius of Gyration about X-Xrx130 mm
Radius of Gyrations about Y-Yry74 mm
Moment of Inertia about X-XIx237000000 mm4
Moment of Intertia about Y-YIy77000000 mm4
Elastic Section Modulus about X-XSx1537000 mm3
Elastic Section Modulus about Y-YSy498000 mm3
Plastic Section Modulus about X-XZx1721000 mm3
Plastic Section Modulus about Y-YZy764000 mm3
St. Venant Torsional ConstantJ1240000 mm4
Warping Torsion ConstantCw1654000000000 mm6
Self Weight of sectionWeight110 kg/m

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

A HP12X74 steel section is a standard North American steel section in the HP - Hollow Pipe category. It weighs 74 lb/ft and has a cross sectional area of 21.8 in2. The height and width of the section are 12.1 in and 12.2 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