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Email Enquiry |
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Contact Information
Phone:
(713) 649-5310
(800) 200-3047
Fax:
(713) 649-5305
Mailing Address
Marco Specialty Steel, Inc.
P.O. Box 750518
Houston, Texas 77275
Physical Address
Marco Specialty Steel, Inc.
9140 Tavenor Ln
Houston, Texas 77075 |
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2-1/2" Channel Height
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PRODUCT SELECTION / DESIGN TABLES
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| GAUGE |
WIDTH |
WEIGHT
/LF |
|
SPAN |
| 2'-0" |
3'-0" |
4'-0" |
5'-0" |
6'-0" |
7'-0" |
8'-0" |
9'-0" |
10'-0" |
11'-0" |
12'-0" |
| 18 |
12" |
3.7 |
U
D
C
D |
1057
.03
529
.01 |
552
.10
529
.05 |
312
.17
529
.12 |
200
.27
501
.22 |
140
.39
420
.31 |
103
.54
362
.43 |
80
.71
319
.57 |
64
.90
286
.72 |
52
1.13
260
.90 |
43
.138
239
1.09 |
36
1.61
217
1.33 |
| 9" |
3.2 |
U
D
C
D |
1552
.05
705
.02 |
691
.10
705
.07 |
390
.18
585
.14 |
251
.28
470
.23 |
175
.41
394
.33 |
129
.56
339
.45 |
100
.74
299
.59 |
79
.95
268
.76 |
65
1.18
243
.94 |
54
1.44
223
1.15 |
46
1.73
207
1.38 |
| 6" |
2.6 |
U
D
C
D |
2141
.04
1053
.04 |
954
.09
715
.07 |
538
.16
538
.13 |
346
.25
432
.20 |
241
.36
362
.29 |
178
.50
312
.40 |
137
.65
274
.52 |
109
.83
246
.67 |
89
1.04
223
.83 |
74
1.27
204
1.01 |
63
1.52
189
1.22 |
| 16 |
12" |
4.6 |
U
D
C
D |
1276
.03
638
.01 |
655
.10
638
.05 |
370
.17
638
.12 |
238
.27
595
.22 |
166
.39
499
.31 |
123
.54
432
.43 |
95
.71
381
.57 |
76
.91
342
.72 |
62
1.13
312
.91 |
52
1.39
285
1.10 |
44
1.67
261
1.31 |
| 9" |
3.9 |
U
D
C
D |
1949
.05
851
.02 |
869
.10
851
.09 |
491
.18
736
.15 |
316
.29
592
.23 |
220
.41
496
.33 |
163
.57
428
.45 |
126
.75
378
.60 |
100
.96
339
.76 |
82
1.19
308
.96 |
69
1.46
383
1.17 |
58
1.76
261
1.40 |
| 6" |
3.2 |
U
D
C
D |
2774
.04
1134
.02 |
1235
.09
926
.07 |
696
.17
696
.13 |
447
.26
559
.21 |
312
.38
467
.30 |
230
.51
402
.41 |
177
.67
354
.54 |
140
.86
316
.69 |
114
1.06
286
.85 |
95
1.30
262
1.04 |
81
1.55
242
1.24 |
| 14 |
12" |
5.6 |
U
D
C
D |
1276
.03
730
.01 |
783
.10
730
.05 |
442
.17
730
.12 |
284
.27
711
.22 |
199
.39
596
.31 |
147
.54
514
.43 |
113
.71
454
.57 |
90
.91
407
.72 |
74
1.13
370
.90 |
62
1.38
338
1.09 |
52
1.63
310
1.31 |
| 9" |
4.8 |
U
D
C
D |
2357
.04
974
.02 |
1050
.10
974
.07 |
593
.18
889
.14 |
381
.28
714
.23 |
266
.41
598
.33 |
196
.56
516
.45 |
151
.74
454
.59 |
121
.94
407
.75 |
98
1.17
369
.94 |
82
1.43
339
1.14 |
70
1.72
314
1.38 |
| 6" |
4.0 |
U
D
C
D |
3722
.05
1461
.03 |
1654
.10
1241
.09 |
931
.18
931
.14 |
596
.29
744
.23 |
414
.42
620
.33 |
304
.56
532
.45 |
233
.74
465
.58 |
184
.93
414
.74 |
149
1.15
372
.92 |
123
1.39
338
1.11 |
103
1.65
310
.132 |
| NOTES: |
1.�THESE TABLES ARE PREPARED BASED ON TESTS CONDUCTED IN ACCORDANCE WITH THE 1980 EDITION, SECTION 6.2, OF THE AMERICAN IRON AND STEEL INSTITUTE SPECIFICATION FOR THE DESIGN OF COLD-ROLLED STEEL STRUCTURAL MEMBERS WITH THE RESULTS CHECKED AND ADJUSTED WHERE REQUIRED BY CALCULATIONS IN ACCORDANCE WITH SECTION 2 OF THE SAME SPECIFICATION.
2.�SYMBOLS ARE AS FOLLOWS:�U = ALLOWABLE SIMPLE SPAN UNIFORM LOAD (LBS./FT),�C = ALLOWABLE SIMPLE SPAN CONCENTRATED LINE LOAD (LB.) AT MIDSPAN,�D = VERTICAL DEFLECTION (IN.) AT MIDSPAN.
3.�SPANS TO THE LEFT OF THE HEAVY LINE PRODUCE DEFLECTION OF 1/4" OR LESS UNDER A UNIFORM LOAD OF 100 LBS. PER SQUARE FOOT.
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