Dimensions and section properties for WT12X42

Structural sectional properties for a WT12X42 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT12X42
Cross Sectional AreaA12.4 in2
Section Widthb9.02 in
Section Depthd12.1 in
Flange thicknesstf0.77 in
Web thicknesstw0.47 in
Radius of Gyration about X-Xrx3.67 in
Radius of Gyrations about Y-Yry1.95 in
Moment of Inertia about X-XIx166 in4
Moment of Intertia about Y-YIy47.2 in4
Elastic Section Modulus about X-XSx18.3 in3
Elastic Section Modulus about Y-YSy10.5 in3
Plastic Section Modulus about X-XZx32.5 in3
Plastic Section Modulus about Y-YZy16.3 in3
St. Venant Torsional ConstantJ1.84 in4
Warping Torsion ConstantCw6.9 in6
Self Weight of sectionWeight42 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT12X42
Cross Sectional AreaA8000 mm2
Section Widthb229 mm
Section Depthd307 mm
Flange thicknesstf19.6 mm
Web thicknesstw11.9 mm
Radius of Gyration about X-Xrx93 mm
Radius of Gyrations about Y-Yry50 mm
Moment of Inertia about X-XIx69000000 mm4
Moment of Intertia about Y-YIy20000000 mm4
Elastic Section Modulus about X-XSx300000 mm3
Elastic Section Modulus about Y-YSy172000 mm3
Plastic Section Modulus about X-XZx533000 mm3
Plastic Section Modulus about Y-YZy267000 mm3
St. Venant Torsional ConstantJ766000 mm4
Warping Torsion ConstantCw2000000000 mm6
Self Weight of sectionWeight63 kg/m

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

A WT12X42 steel section is a standard North American steel section in the WT - Tee Sections category. It weighs 42 lb/ft and has a cross sectional area of 12.4 in2. The height and width of the section are 12.1 in and 9.02 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