ZEE
Purlin
CEE
Purlin

SECTION PROPERTIES
WT
#/ft. 		SIZE
D x B 		GA.
NO. 		t
IN. 		AREA
IN2 		Eff. Sx
IN3 		Q
-- 		Eff. 1x
IN4 		rx
IN. 		1y
IN4 		ry
IN.
2.59 7 x 2 ½   C 16 0.0598 0.76 1.59 0.656 5.71 2.72 0.63 0.91
3.24 7 x 2 ½   C 14 0.0747 0.96 2.03 0.723 7.10 2.72 0.79 0.91
2.80 8 x 2 ½   C 16 0.0598 0.82 1.91 0.611 7.81 3.07 0.66 0.90
3.49 8 x 2 ½   C 14 0.0747 1.03 2.43 0.674 9.73 3.07 0.83 0.89
4.00 10 x 2 ½   C 14 0.0747 1.18 3.31 0.593 16.57 3.74 0.88 0.86
5.65 10 x 2 ½   C 12 0.1046 1.67 4.66 0.668 23.31 3.73 1.29 0.88
2.59 7 x 2 ½   Z 16 0.0598 0.76 1.59 0.653 5.75 2.73 1.04 1.17
3.24 7 x 2 ½   Z 14 0.0747 0.96 2.04 0.723 7.16 2.73 1.37 1.20
2.80 8 x 2 ½   Z 16 0.0598 0.82 1.9 0.608 7.86 3.07 1.04 1.13
3.49 8 x 2 ½   Z 14 0.0747 1.03 2.45 0.674 9.79 3.08 1.37 1.15
4.00 10 x 2 ½   Z 14 0.0747 1.18 3.33 0.593 16.65 3.75 1.37 1.08
5.65 10 x 2 ½   Z 12 0.1046 1.67 4.69 0.668 23.46 3.75 2.10 1.12
Fy = 55,000 PSI   Fb = 33,000 PSI
Above Section Properties are calculated in accordance with the August 1986 edition of the ASI
" Specification for the Design of Cold-Formed Steel Structural Members".

Sx is effective property for safe load determination. lx is effective property for deflection determination
(Effective properties are not necessarily full section properties.)


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