Dimensions and section properties for S12X50

Structural sectional properties for a S12X50 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeS
Section NameNameS12X50
Cross Sectional AreaA14.7 in2
Section Widthb5.48 in
Section Depthd12 in
Flange thicknesstf0.659 in
Web thicknesstw0.687 in
Radius of Gyration about X-Xrx4.55 in
Radius of Gyrations about Y-Yry1.03 in
Moment of Inertia about X-XIx303 in4
Moment of Intertia about Y-YIy15.6 in4
Elastic Section Modulus about X-XSx50.6 in3
Elastic Section Modulus about Y-YSy5.69 in3
Plastic Section Modulus about X-XZx60.9 in3
Plastic Section Modulus about Y-YZy10.3 in3
St. Venant Torsional ConstantJ2.77 in4
Warping Torsion ConstantCw501 in6
Self Weight of sectionWeight50 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeS
Section NameNameS12X50
Cross Sectional AreaA9484 mm2
Section Widthb139 mm
Section Depthd305 mm
Flange thicknesstf16.7 mm
Web thicknesstw17.4 mm
Radius of Gyration about X-Xrx116 mm
Radius of Gyrations about Y-Yry26 mm
Moment of Inertia about X-XIx126000000 mm4
Moment of Intertia about Y-YIy6000000 mm4
Elastic Section Modulus about X-XSx829000 mm3
Elastic Section Modulus about Y-YSy93000 mm3
Plastic Section Modulus about X-XZx998000 mm3
Plastic Section Modulus about Y-YZy169000 mm3
St. Venant Torsional ConstantJ1153000 mm4
Warping Torsion ConstantCw135000000000 mm6
Self Weight of sectionWeight74 kg/m

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

A S12X50 steel section is a standard North American steel section in the S - Standard Wide Flange category. It weighs 50 lb/ft and has a cross sectional area of 14.7 in2. The height and width of the section are 12 in and 5.48 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