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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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4" Channel Heigh
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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" |
4.2 |
U
D
C
D |
1057
.03
529
.00 |
996
.06
529
.01 |
560
.11
529
.04 |
359
.16
529
.08 |
249
.24
529
.13 |
183
.34
529
.21 |
140
.42
529
.32 |
111
.54
498
.44 |
90
.66
448
.53 |
74
.81
408
.65 |
62
.96
374
.77 |
| 9" |
3.7 |
U
D
C
D |
1881
.02
705
.01 |
1329
.06
705
.02 |
747
.12
705
.06 |
478
.18
705
.12 |
332
.26
705
.20 |
244
.35
641
.28 |
187
.47
560
.36 |
148
.58
498
.46 |
120
.72
448
.57 |
99
.86
408
.70 |
83
1.03
374
.83 |
| 6" |
3.2 |
U
D
C
D |
4232
.03
1058
.01 |
1993
.06
1058
.04 |
1121
.10
1058
.08 |
717
.18
897
.13 |
498
.25
747
.19 |
366
.34
641
.26 |
280
.44
560
.35 |
221
.55
498
.45 |
179
.69
448
.55 |
148
.83
408
.67 |
125
.99
374
.80 |
| 16 |
12" |
5.2 |
U
D
C
D |
1276
.03
638
.00 |
1215
.06
638
.01 |
685
.11
638
.04 |
439
.17
638
.08 |
306
.25
638
.14 |
226
.34
638
.21 |
173
.45
638
.33 |
138
.51
619
.46 |
112
.71
560
.57 |
93
.86
512
.69 |
79
1.03
472
.83 |
| 9" |
4.6 |
U
D
C
D |
2275
.02
851
.01 |
1612
.06
851
.02 |
907
.10
851
.05 |
580
.16
851
.10 |
403
.24
851
.18 |
296
.37
777
.29 |
227
.48
680
.38 |
179
.60
604
.49 |
145
.75
544
.60 |
120
.91
495
.73 |
101
1.07
453
.86 |
| 6" |
3.9 |
U
D
C
D |
5118
.02
1134
.01 |
2418
.06
1134
.03 |
1360
.10
1134
.07 |
870
.16
1088
.12 |
604
.22
907
.18 |
444
.30
777
.25 |
340
.40
680
.32 |
269
.51
604
.41 |
218
.63
544
.50 |
180
.76
495
.60 |
151
.90
453
.72 |
| 14 |
12" |
6.5 |
U
D
C
D |
1461
.01
730
.00 |
1448
.06
730
.01 |
814
.10
730
.04 |
521
.16
730
.07 |
362
.24
730
.12 |
266
.32
730
.20 |
204
.42
730
.30 |
161
.54
724
.43 |
131
.67
655
.54 |
109
.82
599
.65 |
92
.98
554
.78 |
| 9" |
5.6 |
U
D
C
D |
2597
.02
974
.01 |
1988
.06
974
.02 |
1120
.11
974
.05 |
719
.17
974
.10 |
501
.25
974
.17 |
369
.34
969
.27 |
284
.44
852
.36 |
225
.57
761
.45 |
184
.70
688
.56 |
153
.85
629
.68 |
129
1.02
581
.82 |
| 6" |
4.8 |
U
D
C
D |
5843
.03
1461
.01 |
2895
.06
1461
.04 |
1629
.12
1461
.09 |
1042
.19
1303
.15 |
724
.28
1086
.21 |
532
.37
931
.30 |
407
.48
814
.39 |
322
.61
724
.49 |
261
.75
651
.60 |
215
.91
592
.73 |
181
1.08
543
.87 |
| 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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