Product Overview

Areas of Moment of Section Radius of Moment of Section Radius of
Channel Weight Section Inertia (I) Modulus (S) Gyration (r) Inertia (I) Modulus (S) Gyration (r)
lbs./ft. kg/m sq. in. cm
2
in.
4
cm
4
in.
3
cm
3
in. cm in.
4
cm
4
in.
3
cm
3
in. cm
B12 2.484 (3.70) .731 (4.71) .5349 (22.26) .4061 (6.65) .856 (2.17) .3377 (14.06) .4156 (6.81) .680 (1.73)
B12A 4.969 (7.40) 1.462 (9.43) 2.9036 (120.86) 1.1915 (19.52) 1.409 (3.58) .6756 (28.12) .8315 (13.63) .680 (1.73)
X - X Axis Y - Y Axis
B12
•
Thickness: 12 Gauge
(2.6 mm)
• Standard lengths: 10’ (3.05 m) & 20’ (6.09 m)
• Standard finishes: Plain, Dura-Green, Pre-Galvanized,
Hot-Dipped Galvanized, Aluminum
• W
eight: 2.47 Lbs./Ft.
(3.67 kg/m)
Calculations of section properties are based on metal thicknesses as determined by the AISI Cold-Formed Steel Design Manual.
1
5
/8”
(41.3)
2
7
/16”
(61.9)
2
7
/16”
(61.9)
4
7
/8”
(123.8)
3
1
/4”
(82.5)
1
5
/8”
(41.3)
2
7
/16”
(61.9)
1.1199
(28.4)
1
5
/8”
(41.3)
13
/16”
(20.6)
13
/16”
(20.6)
1.1197
(28.4)
3
/8”
(9.5)
3
/8”
(9.5)
9
/32”
(7.1)
X
Y
Y
X
X
X
Y
Y
Y
X
X
Y
SECTION PROPERTIES
B12A
Wt. 4.94 Lbs./Ft. (7.35 kg/m)
B12B
Wt. 4.94 Lbs./Ft. (7.35 kg/m)
Reference page 14 for general fitting and standard finish specifications.
Channel & Combinations
B12 Channel & Combinations
18
7
/8”
(22.2)