Dimensions and section properties for MC6X18

Structural sectional properties for a MC6X18 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeMC
Section NameNameMC6X18
Cross Sectional AreaA5.29 in2
Section Widthb3.5 in
Section Depthd6 in
Flange thicknesstf0.475 in
Web thicknesstw0.379 in
Radius of Gyration about X-Xrx2.37 in
Radius of Gyrations about Y-Yry1.05 in
Moment of Inertia about X-XIx29.7 in4
Moment of Intertia about Y-YIy5.88 in4
Elastic Section Modulus about X-XSx9.89 in3
Elastic Section Modulus about Y-YSy2.47 in3
Plastic Section Modulus about X-XZx11.7 in3
Plastic Section Modulus about Y-YZy4.68 in3
St. Venant Torsional ConstantJ0.379 in4
Warping Torsion ConstantCw34.6 in6
Self Weight of sectionWeight18 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeMC
Section NameNameMC6X18
Cross Sectional AreaA3413 mm2
Section Widthb89 mm
Section Depthd152 mm
Flange thicknesstf12.1 mm
Web thicknesstw9.6 mm
Radius of Gyration about X-Xrx60 mm
Radius of Gyrations about Y-Yry27 mm
Moment of Inertia about X-XIx12000000 mm4
Moment of Intertia about Y-YIy2000000 mm4
Elastic Section Modulus about X-XSx162000 mm3
Elastic Section Modulus about Y-YSy40000 mm3
Plastic Section Modulus about X-XZx192000 mm3
Plastic Section Modulus about Y-YZy77000 mm3
St. Venant Torsional ConstantJ158000 mm4
Warping Torsion ConstantCw9000000000 mm6
Self Weight of sectionWeight27 kg/m

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

A MC6X18 steel section is a standard North American steel section in the MC - Misc Channels category. It weighs 18 lb/ft and has a cross sectional area of 5.29 in2. The height and width of the section are 6 in and 3.5 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