Cut Sheet

Metal Framing Engineering Data
D-97
Metal Framing, Pipe Hangers and Accessories
Nominal Thickness (IN.)
12 ga. = .105 I — Moment of Inertia
14 ga. = .075 S — Section of Modulas
16 ga. = .060 r — Radius of Gyration
Z — Nominal Axis
A — Area
Table 1 — Properties for Design: Single Channel
X-X AXIS Y-Y AXIS
HW A I S R Z I S R
CAT. NO. IN. IN. IN.2 IN.4 IN.3 IN. IN. IN.4 IN.3 IN.
A-1200 1.625 1.625 .557 .192 .212 .587 .719 .237 .292 .652
B-1200 .813 1.625 .381 .031 .063 .283 .331 .137 .168 .600
C-1200 1.375 1.625 .500 .121 .155 .492 .595 .205 .252 .640
E-1200 2.438 1.625 .726 .529 .399 .853 1.112 .335 .413 .679
H-1200 3.250 1.625 .897 1.100 .635 1.107 1.507 .436 .536 .697
A-1400 1.625 1.625 .401 .134 .146 .577 .707 .184 .226 .677
B-1400 .813 1.625 .280 .024 .051 .295 .338 .103 .127 .607
Table 1 — Properties for Design: Double Channel
X-X AXIS Y-Y AXIS
HW A I S R Z I S R
CAT. NO. IN. IN. IN.2 IN.4 IN.3 IN. IN. IN.4 IN.3 IN.
A-1202 3.250 1.625 1.114 .948 .583 .992 1.625 .474 .584 .652
B-1202 1.626 1.625 .762 .147 .181 .439 .813 .274 .337 .600
C-1202 2.750 1.625 1.000 .595 .433 .772 1.375 .409 .504 .640
E-1202 4.876 1.625 1.450 2.854 1.171 1.402 2.438 .672 .827 .680
H-1202 6.500 1.625 1.794 6.273 1.930 1.870 3.250 .871 1.072 .697
A-1402 3.250 1.625 .801 .668 .411 .913 1.625 .367 .452 .677
B-1402 1.626 1.625 .560 .112 .138 .447 .813 .206 .254 .607
If connections will be subjected to dynamic or seismic loading conditions,
contact Thomas & Betts Technical Services for design assistance.
Elements of Sections
Single Channels Double Channels
SLIP PULL-OUT
CHANNEL RESISTANCE STRENGTH
NO. (LBS.) (LBS.)
A-1200 1,500 2,000
C-1200 1,500 2,000
B-1200 1,400 1,400
A-1400 1,000 1,400
B-1400 1,000 1,400
Safety Factor of 3
W
Y
Y
Y
Y
Z
Z
H
H
W
X
X
X
X
Design Data — Metal Framing Channel
Table 2 — Load Ratings for
1
⁄2" Strut Nuts
used in Superstrut Channel