Dimensions and section properties for ST7.5X25

Structural sectional properties for a ST7.5X25 standard steel section


steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeST
Section NameNameST7.5X25
Cross Sectional AreaA7.34 in2
Section Widthb5.64 in
Section Depthd7.5 in
Flange thicknesstf0.622 in
Web thicknesstw0.55 in
Radius of Gyration about X-Xrx2.35 in
Radius of Gyrations about Y-Yry1.03 in
Moment of Inertia about X-XIx40.5 in4
Moment of Intertia about Y-YIy7.79 in4
Elastic Section Modulus about X-XSx7.72 in3
Elastic Section Modulus about Y-YSy2.76 in3
Plastic Section Modulus about X-XZx14 in3
Plastic Section Modulus about Y-YZy4.99 in3
St. Venant Torsional ConstantJ1.05 in4
Warping Torsion ConstantCw2.02 in6
Self Weight of sectionWeight25 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeST
Section NameNameST7.5X25
Cross Sectional AreaA4735 mm2
Section Widthb143 mm
Section Depthd191 mm
Flange thicknesstf15.8 mm
Web thicknesstw14 mm
Radius of Gyration about X-Xrx60 mm
Radius of Gyrations about Y-Yry26 mm
Moment of Inertia about X-XIx17000000 mm4
Moment of Intertia about Y-YIy3000000 mm4
Elastic Section Modulus about X-XSx127000 mm3
Elastic Section Modulus about Y-YSy45000 mm3
Plastic Section Modulus about X-XZx229000 mm3
Plastic Section Modulus about Y-YZy82000 mm3
St. Venant Torsional ConstantJ437000 mm4
Warping Torsion ConstantCw1000000000 mm6
Self Weight of sectionWeight37 kg/m

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

A ST7.5X25 steel section is a standard North American steel section in the ST - Standard Tee Sections category. The height and width of the section are 7.5 in (191 mm) and 5.64 in (143 mm) respectively. It weighs 25 lb/ft (37 kg/m) and has a cross sectional area of 7.34 in2 (4735 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