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MC6 Channel Sizes

The MC6 series runs 7 sizes, from MC6x18 at 18 lb/ft to MC6x6.5 at 6.5 lb/ft. They share a nominal depth, so the sizes in it differ mainly in web thickness and in how far the flange reaches.

MC6 sizes, heaviest first

Size	lb/ft	d (in)	bf (in)	A (in²)	Ix (in⁴)	Sx (in³)	Zx (in³)
MC6x18	18	6	3.5	5.29	29.7	9.89	11.7
MC6x16.3	16.3	6	3	4.79	26	8.66	10.4
MC6x15.3	15.3	6	3.5	4.49	25.3	8.44	9.91
MC6x15.1	15.1	6	2.94	4.44	24.9	8.3	9.83
MC6x12	12	6	2.5	3.53	18.7	6.24	7.47
MC6x7	7	6	1.88	2.09	11.4	3.81	4.5
MC6x6.5	6.5	6	1.85	1.95	11	3.66	4.28

Relevant tools

Steel Shape Properties Table
search and compare across every series
Beam Shear, Moment and Deflection Diagram Calculator
check a span made up of one of these sizes
All Shape Series
every published series, W-shapes through round HSS

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