Dimensions and section properties for MC12X45

Structural sectional properties for a MC12X45 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeMC
Section NameNameMC12X45
Cross Sectional AreaA13.2 in2
Section Widthb4.01 in
Section Depthd12 in
Flange thicknesstf0.7 in
Web thicknesstw0.71 in
Radius of Gyration about X-Xrx4.36 in
Radius of Gyrations about Y-Yry1.09 in
Moment of Inertia about X-XIx251 in4
Moment of Intertia about Y-YIy15.8 in4
Elastic Section Modulus about X-XSx41.9 in3
Elastic Section Modulus about Y-YSy5.3 in3
Plastic Section Modulus about X-XZx52 in3
Plastic Section Modulus about Y-YZy10.1 in3
St. Venant Torsional ConstantJ2.33 in4
Warping Torsion ConstantCw373 in6
Self Weight of sectionWeight45 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeMC
Section NameNameMC12X45
Cross Sectional AreaA8516 mm2
Section Widthb102 mm
Section Depthd305 mm
Flange thicknesstf17.8 mm
Web thicknesstw18 mm
Radius of Gyration about X-Xrx111 mm
Radius of Gyrations about Y-Yry28 mm
Moment of Inertia about X-XIx104000000 mm4
Moment of Intertia about Y-YIy7000000 mm4
Elastic Section Modulus about X-XSx687000 mm3
Elastic Section Modulus about Y-YSy87000 mm3
Plastic Section Modulus about X-XZx852000 mm3
Plastic Section Modulus about Y-YZy166000 mm3
St. Venant Torsional ConstantJ970000 mm4
Warping Torsion ConstantCw100000000000 mm6
Self Weight of sectionWeight67 kg/m

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

A MC12X45 steel section is a standard North American steel section in the MC - Misc Channels category. It weighs 45 lb/ft and has a cross sectional area of 13.2 in2. The height and width of the section are 12 in and 4.01 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