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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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3" 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" |
3.9 |
U
D
C
D |
1057
.02
529
.01 |
611
.07
529
.03 |
345
.12
529
.07 |
222
.19
529
.14 |
155
.28
472
.22 |
114
.39
405
.31 |
88
.51
354
.41 |
70
.65
316
.52 |
57
.80
287
.64 |
48
.98
263
.79 |
41
1.20
244
.95 |
| 9" |
3.3 |
U
D
C
D |
1881
.03
705
.01 |
840
.08
705
.04 |
472
.13
705
.11 |
302
.21
567
.17 |
210
.31
472
.24 |
154
.42
405
.33 |
118
.55
354
.44 |
93
.68
315
.55 |
76
.86
283
.68 |
62
1.01
258
.82 |
52
1.21
236
.98 |
| 6" |
2.8 |
U
D
C
D |
2834
.04
1058
.02 |
1260
.07
945
.06 |
709
.13
709
.11 |
453
.21
567
.16 |
315
.29
472
.23 |
231
.39
405
.32 |
177
.52
354
.42 |
140
.66
315
.53 |
113
.80
283
.65 |
94
.99
258
.60 |
79
1.19
236
.93 |
| 16 |
12" |
4.8 |
U
D
C
D |
1276
.02
638
.01 |
775
.07
638
.03 |
438
.12
638
.07 |
282
.20
638
.15 |
197
.28
591
.23 |
160
.45
559
.36 |
123
.59
492
.47 |
98
.75
440
.60 |
80
.93
398
.74 |
66
1.13
365
.90 |
56
1.35
337
1.08 |
| 9" |
4.1 |
U
D
C
D |
2275
.03
851
.01 |
1029
.07
851
.04 |
581
.13
851
.11 |
373
.21
700
.17 |
261
.30
587
.24 |
193
.41
506
.33 |
149
.54
446
.44 |
118
.69
400
.56 |
97
.87
363
.69 |
81
1.06
333
.85 |
69
1.27
309
1.02 |
| 6" |
3.4 |
U
D
C
D |
3418
.03
1134
.02 |
1519
.07
1134
.05 |
854
.12
854
.10 |
547
.20
684
.15 |
380
.28
570
.23 |
279
.39
480
.31 |
214
.50
427
.40 |
169
.64
380
.51 |
137
.79
342
.63 |
113
.95
310
.76 |
95
1.13
286
91 |
| 14 |
12" |
5.9 |
U
D
C
D |
1461
.02
730
.01 |
950
.07
730
.03 |
536
.13
730
.07 |
345
.20
730
.14 |
241
.29
722
.23 |
178
.40
622
.32 |
137
.53
548
.42 |
109
.67
491
.54 |
89
.84
446
.67 |
74
1.02
409
.82 |
63
1.23
379
.98 |
| 9" |
5.1 |
U
D
C
D |
2597
.03
974
.01 |
1477
.09
974
.04 |
831
.16
974
.10 |
532
.25
974
.20 |
369
.36
831
.28 |
271
.48
712
.38 |
208
.63
623
.50 |
164
.79
554
.63 |
133
.98
498
.78 |
110
1.19
453
.95 |
92
1.40
415
1.12 |
| 6" |
4.3 |
U
D
C
D |
4984
.04
1461
.02 |
2215
.09
1461
.06 |
1246
.15
1246
.12 |
797
.24
997
.19 |
554
.34
831
.27 |
407
.46
712
.36 |
311
.60
623
.48 |
246
.76
554
.61 |
199
.94
498
.75 |
165
1.14
453
91 |
138
1.35
415
1.08 |
| 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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