1.2: C.2- Channels

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Section C.2Channels

Channel Section-US

Description \(d \times \,W\)	\(W\) lb/ft	\(A\) \(\text{in}^2\)	\(d\) in	\(b_f\) in	\(t_w\) in	\(t_f\) in	\(\bar{x}\) in	\(\bar{I}_{xx}\) \(\text{in}^4\)	\(\bar{I}_{yy}\) \(\text{in}^4\)
C15\(\times\)50	50	14.7	15	3.72	0.716	0.65	0.799	404	11
C15\(\times\)40	40	11.8	15	3.52	0.52	0.65	0.778	348	9.17
C15\(\times\)33.9	33.9	10	15	3.4	0.4	0.65	0.788	315	8.07
C12\(\times\)30	30	8.81	12	3.17	0.51	0.501	0.674	162	5.12
C12\(\times\)25	25	7.34	12	3.05	0.387	0.501	0.674	144	4.45
C12\(\times\)20.7	20.7	6.08	12	2.94	0.282	0.501	0.698	129	3.86
C10\(\times\)30	30	8.81	10	3.03	0.673	0.436	0.649	103	3.93
C10\(\times\)25	25	7.35	10	2.89	0.526	0.436	0.617	91.1	3.34
C10\(\times\)20	20	5.87	10	2.74	0.379	0.436	0.606	78.9	2.8
C10\(\times\)15.3	15.3	4.48	10	2.6	0.24	0.436	0.634	67.3	2.27
C9\(\times\)20	20	5.87	9	2.65	0.448	0.413	0.583	60.9	2.41
C9\(\times\)15	15	4.4	9	2.49	0.285	0.413	0.586	51	1.91
C9\(\times\)13.4	13.4	3.94	9	2.43	0.233	0.413	0.601	47.8	1.75
C8\(\times\)18.75	18.75	5.51	8	2.53	0.487	0.39	0.565	43.9	1.97
C8\(\times\)13.75	13.75	4.03	8	2.34	0.303	0.39	0.554	36.1	1.52
C8\(\times\)11.5	11.5	3.37	8	2.26	0.22	0.39	0.572	32.5	1.31
C7\(\times\)14.75	14.75	4.33	7	2.3	0.419	0.366	0.532	27.2	1.37
C7\(\times\)12.25	12.25	3.59	7	2.19	0.314	0.366	0.525	24.2	1.16
C7\(\times\)9.8	9.8	2.87	7	2.09	0.21	0.366	0.541	21.2	0.957
C6\(\times\)13	13	3.82	6	2.16	0.437	0.343	0.514	17.3	1.05
C6\(\times\)10.5	10.5	3.07	6	2.03	0.314	0.343	0.5	15.1	0.86
C6\(\times\)8.2	8.2	2.39	6	1.92	0.2	0.343	0.512	13.1	0.687
C5\(\times\)9	9	2.64	5	1.89	0.325	0.32	0.478	8.89	0.624
C5\(\times\)6.7	6.7	1.97	5	1.75	0.19	0.32	0.484	7.48	0.47
C4\(\times\)7.25	7.25	2.13	4	1.72	0.321	0.296	0.459	4.58	0.425
C4\(\times\)6.25	6.25	1.84	4	1.65	0.247	0.296	0.453	4.19	0.374
C4\(\times\)5.4	5.4	1.58	4	1.58	0.184	0.296	0.457	3.85	0.312
C4\(\times\)4.5	4.5	1.34	4	1.52	0.125	0.296	0.473	3.53	0.265
C3\(\times\)6	6	1.76	3	1.6	0.356	0.273	0.455	2.07	0.3
C3\(\times\)5	5	1.47	3	1.5	0.258	0.273	0.439	1.85	0.241
C3\(\times\)4.1	4.1	1.2	3	1.41	0.17	0.273	0.437	1.65	0.191
C3\(\times\)3.5	3.5	1.09	3	1.37	0.132	0.273	0.443	1.57	0.169

Channel Section-SI

Description \(d\times \,W\)	\(W\) kg/m	\(A\) \(\text{mm}^2\)	\(d\) mm	\(b_f\) mm	\(t_w\) mm	\(t_f\) mm	\(\bar{x}\) mm	\(\bar{I}_{xx}\) \(10^6 \text{ mm}^4\)	\(\bar{I}_{yy}\) \(10^6 \text{ mm}^4\)
C380\(\times\)74	74	9480	381	94.5	18.2	16.5	20.3	168	4.58
C380\(\times\)60	60	7610	381	89.4	13.2	16.5	19.8	145	3.82
C380\(\times\)50.4	50.4	6450	381	86.4	10.2	16.5	20	131	3.36
C310\(\times\)45	45	5680	305	80.5	13	12.7	17.1	67.4	2.13
C310\(\times\)37	37	4740	305	77.5	9.83	12.7	17.1	59.9	1.85
C310\(\times\)30.8	30.8	3920	305	74.7	7.16	12.7	17.7	53.7	1.61
C250\(\times\)45	45	5680	254	77	17.1	11.1	16.5	42.9	1.64
C250\(\times\)37	37	4740	254	73.4	13.4	11.1	15.7	37.9	1.39
C250\(\times\)30	30	3790	254	69.6	9.63	11.1	15.4	32.8	1.17
C250\(\times\)22.8	22.8	2890	254	66	6.1	11.1	16.1	28	0.945
C230\(\times\)30	30	3790	229	67.3	11.4	10.5	14.8	25.3	1
C230\(\times\)22	22	2840	229	63.2	7.24	10.5	14.9	21.2	0.795
C230\(\times\)19.9	19.9	2540	229	61.7	5.92	10.5	15.3	19.9	0.728
C200\(\times\)27.9	27.9	3550	203	64.3	12.4	9.91	14.4	18.3	0.82
C200\(\times\)20.5	20.5	2600	203	59.4	7.7	9.91	14.1	15	0.633
C200\(\times\)17.1	17.1	2170	203	57.4	5.59	9.91	14.5	13.5	0.545
C180\(\times\)22	22	2790	178	58.4	10.6	9.3	13.5	11.3	0.57
C180\(\times\)18.2	18.2	2320	178	55.6	7.98	9.3	13.3	10.1	0.483
C180\(\times\)14.6	14.6	1850	178	53.1	5.33	9.3	13.7	8.82	0.398
C150\(\times\)19.3	19.3	2460	152	54.9	11.1	8.71	13.1	7.2	0.437
C150\(\times\)15.6	15.6	1980	152	51.6	7.98	8.71	12.7	6.29	0.358
C150\(\times\)12.2	12.2	1540	152	48.8	5.08	8.71	13	5.45	0.286
C130\(\times\)13	13	1700	127	48	8.26	8.13	12.1	3.7	0.26
C130\(\times\)10.4	10.4	1270	127	44.5	4.83	8.13	12.3	3.11	0.196
C100\(\times\)10.8	10.8	1370	102	43.7	8.15	7.52	11.7	1.91	0.177
C100\(\times\)9.3	9.3	1190	102	41.9	6.27	7.52	11.5	1.74	0.156
C100\(\times\)8	8	1020	102	40.1	4.67	7.52	11.6	1.6	0.13
C100\(\times\)6.7	6.7	865	102	38.6	3.18	7.52	12	1.47	0.11
C75\(\times\)8.9	8.9	1140	76.2	40.6	9.04	6.93	11.6	0.862	0.125
C75\(\times\)7.4	7.4	948	76.2	38.1	6.55	6.93	11.2	0.77	0.1
C75\(\times\)6.1	6.1	774	76.2	35.8	4.32	6.93	11.1	0.687	0.0795
C75\(\times\)5.2	5.2	703	76.2	34.8	3.35	6.93	11.3	0.653	0.0703