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
B42 1.468 (2.18) .432 (2.79) .0554 (2.31) .0968 (1.59) .358 (.91) .1645 (6.85) .2025 (3.32) .617 (1.57)
B42A 2.936 (4.37) .864 (5.57) .2689 (11.19) .2689 (4.41) .558 (1.42) .3292 (13.70) .4052 (6.64) .617 (1.57)
X - X Axis Y - Y Axis
B42
•
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, Stainless Steel Type 304
• W
eight: 1.44 Lbs./Ft.
(2.14 kg/m)
Note: Also available in 14 gauge (1.9mm) material as B44
Calculations of section properties are based on metal thicknesses as determined by the AISI Cold-Formed Steel Design Manual.
1
5
/8”
(41.3)
1”
(25.4)
13
/16”
(20.6)
3
/8”
(9.5)
.4226
(10.7)
9
/32”
(7.1)
3
/8”
(9.5)
7
/8”
(22.2)
X
Y
Y
X
SECTION PROPERTIES
B42A
Wt. 2.88 Lbs./Ft. (4.28 kg/m)
B42B
Wt. 2.88 Lbs./Ft. (4.28 kg/m)
2”
(50.8)
3
1
/4”
(82.5)
1”
(25.4)
1
5
/8”
(41.3)
1”
(25.4)
13
/16”
(20.6)
.428
(10.9)
X
Y
Y
Y
Y
X
X
X
Reference page 14 for general fitting and standard finish specifications.
Channel & Combinations
1
5
/8”
(41.3)
B42 Channel & Combinations
30