Dimensions and section properties for S20X75

Structural sectional properties for a S20X75 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeS
Section NameNameS20X75
Cross Sectional AreaA22 in2
Section Widthb6.39 in
Section Depthd20 in
Flange thicknesstf0.795 in
Web thicknesstw0.635 in
Radius of Gyration about X-Xrx7.62 in
Radius of Gyrations about Y-Yry1.16 in
Moment of Inertia about X-XIx1280 in4
Moment of Intertia about Y-YIy29.5 in4
Elastic Section Modulus about X-XSx128 in3
Elastic Section Modulus about Y-YSy9.25 in3
Plastic Section Modulus about X-XZx152 in3
Plastic Section Modulus about Y-YZy16.7 in3
St. Venant Torsional ConstantJ4.59 in4
Warping Torsion ConstantCw2720 in6
Self Weight of sectionWeight75 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeS
Section NameNameS20X75
Cross Sectional AreaA14194 mm2
Section Widthb162 mm
Section Depthd508 mm
Flange thicknesstf20.2 mm
Web thicknesstw16.1 mm
Radius of Gyration about X-Xrx194 mm
Radius of Gyrations about Y-Yry29 mm
Moment of Inertia about X-XIx533000000 mm4
Moment of Intertia about Y-YIy12000000 mm4
Elastic Section Modulus about X-XSx2098000 mm3
Elastic Section Modulus about Y-YSy152000 mm3
Plastic Section Modulus about X-XZx2491000 mm3
Plastic Section Modulus about Y-YZy274000 mm3
St. Venant Torsional ConstantJ1911000 mm4
Warping Torsion ConstantCw730000000000 mm6
Self Weight of sectionWeight112 kg/m

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

A S20X75 steel section is a standard North American steel section in the S - Standard Wide Flange category. It weighs 75 lb/ft and has a cross sectional area of 22 in2. The height and width of the section are 20 in and 6.39 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