Long products - Channels - Parallel flange channels PFC - S355 - 4. Buckling resistance moment PFC

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Section designation	C₁⁽¹⁾	Buckling resistance moment M_b,Rd (kNm)for length between lateral restraints, L (m)																	Second moment of area Axis y-y
Cross-section resistance (kNm)																			I_y
Classification		1.0	1.5	2.0	2.5	3.0	3.5	4.0	5.0	6.0	7.0	8.0	9.0	10.0	11.0	12.0	13.0	14.0	cm⁴
430x100x64	1.00	422	362	310	267	233	205	183	151	129	113	100	90.2	82.2	75.6	70.1	65.3	61.2	21,900
	1.13	422	383	333	290	255	226	202	166	141	123	110	99.4	90.8	83.6	77.5	72.3	67.8
M_c,y,Rd = 422	1.35	422	413	366	325	289	259	233	193	163	140	126	114	104	96.4	89.5	83.6	78.5
M_c,z,Rd = 33.8	1.50	422	422	385	346	310	280	253	211	179	154	136	123	113	105	97.3	91.0	85.5
	1.77	422	422	414	377	344	314	287	242	207	179	157	139	128	119	111	104	97.6
	2.00	422	422	422	400	368	339	312	267	230	201	176	156	140	130	121	114	107
Class = 1	2.50	422	422	422	422	411	385	360	315	278	246	218	195	175	158	143	134	127
380x100x54	1.00	322	279	239	207	181	160	144	119	102	89.0	79.3	71.6	65.3	60.1	55.7	52.0	48.7	15,000
	1.13	322	295	257	225	198	176	158	131	111	97.5	87.1	78.8	72.1	66.4	61.6	57.5	54.0
M_c,y,Rd = 322	1.35	322	317	282	251	225	202	182	152	129	111	99.5	90.3	82.8	76.5	71.1	66.5	62.5
M_c,z,Rd = 30.8	1.50	322	322	297	267	241	218	198	166	141	122	107	97.7	89.7	83.0	77.3	72.3	68.0
	1.77	322	322	318	291	266	244	224	190	163	142	125	111	101	94.1	87.8	82.3	77.5
	2.00	322	322	322	308	285	263	243	209	182	159	140	125	112	103	96.2	90.3	85.2
Class = 1	2.50	322	322	322	322	317	297	279	246	218	194	173	156	140	127	115	106	101
300x100x46	1.00	221	194	169	149	132	119	108	91.1	79.0	69.9	62.8	57.0	52.3	48.3	45.0	42.0	39.5	8,230
	1.13	221	205	181	161	144	130	119	100	86.9	76.5	68.7	62.6	57.5	53.2	49.6	46.4	43.6
M_c,y,Rd = 221	1.35	221	220	198	179	162	148	136	116	101	88.6	78.8	71.3	65.8	61.0	56.9	53.4	50.3
M_c,z,Rd = 51.1	1.50	221	221	208	189	173	159	147	126	110	97.1	86.4	77.6	71.0	66.0	61.7	57.9	54.6
	1.77	221	221	221	206	190	177	165	144	126	112	100	90.4	81.8	74.4	69.7	65.6	62.0
	2.00	221	221	221	217	203	190	178	157	140	125	112	101	92.1	84.0	76.9	71.8	67.9
Class = 1	2.50	221	221	221	221	221	212	202	182	165	150	136	125	114	105	96.5	89.1	82.5
300x90x41	1.00	197	166	142	123	108	95.9	86.4	72.2	62.2	54.7	49.0	44.4	40.6	37.4	34.7	32.4	30.4	7,220
	1.13	202	177	153	134	118	106	95.1	79.4	67.9	60.0	53.8	48.8	44.8	41.3	38.4	35.9	33.7
M_c,y,Rd = 202	1.35	202	191	169	150	134	121	110	92.0	78.6	68.3	61.5	56.0	51.4	47.6	44.3	41.5	39.0
M_c,z,Rd = 40.5	1.50	202	199	179	160	145	131	119	101	86.2	75.0	66.4	60.6	55.7	51.7	48.2	45.1	42.5
	1.77	202	202	193	176	161	147	135	116	99.9	87.3	77.0	68.4	63.0	58.6	54.7	51.4	48.4
	2.00	202	202	202	187	173	159	148	127	111	97.7	86.5	77.2	69.2	64.1	60.0	56.4	53.2
Class = 1	2.50	202	202	202	202	193	181	170	151	134	119	107	96.3	87.0	78.9	71.8	66.4	62.9
260x90x35	1.00	148	125	107	93.4	82.3	73.5	66.4	55.8	48.2	42.6	38.1	34.6	31.7	29.2	27.2	25.4	23.8	4,730
	1.13	151	133	116	102	90.2	80.9	73.2	61.4	52.8	46.6	41.9	38.1	34.9	32.3	30.0	28.1	26.4
M_c,y,Rd = 151	1.35	151	144	128	114	102	92.7	84.4	71.1	61.2	53.4	47.8	43.6	40.1	37.1	34.6	32.4	30.5
M_c,z,Rd = 36.2	1.50	151	150	135	122	110	100	91.6	77.7	67.0	58.6	51.7	47.1	43.4	40.3	37.6	35.2	33.2
	1.77	151	151	145	133	122	112	104	89.1	77.5	68.1	60.3	53.8	49.0	45.6	42.6	40.1	37.8
	2.00	151	151	151	141	131	121	113	98.1	86.1	76.1	67.7	60.6	54.6	49.8	46.7	43.9	41.5
Class = 1	2.50	151	151	151	151	146	138	130	115	103	92.5	83.3	75.3	68.4	62.2	56.9	52.1	48.9
260x75x28	1.00	106	86.0	71.0	59.9	51.7	45.4	40.5	33.5	28.6	25.1	22.3	20.1	18.4	16.9	15.7	14.6	13.7	3,620
	1.13	111	92.3	77.4	65.8	56.9	50.0	44.5	36.6	31.4	27.6	24.6	22.3	20.3	18.7	17.4	16.2	15.2
M_c,y,Rd = 116	1.35	116	101	87.0	75.1	65.6	57.9	51.6	42.1	35.9	31.7	28.3	25.7	23.5	21.7	20.2	18.8	17.7
M_c,z,Rd = 22.0	1.50	116	107	92.8	80.9	71.2	63.1	56.5	46.2	38.7	34.3	30.7	27.9	25.6	23.6	22.0	20.5	19.3
	1.77	116	115	102	90.3	80.5	72.1	65.0	53.6	45.1	38.6	34.8	31.7	29.1	27.0	25.1	23.5	22.1
	2.00	116	116	108	97.2	87.6	79.2	71.8	59.9	50.6	43.4	38.1	34.8	32.0	29.7	27.7	25.9	24.4
Class = 1	2.50	116	116	116	109	101	92.5	85.2	72.7	62.5	54.2	47.4	41.7	37.7	35.1	32.8	30.9	29.1
230x90x32	1.00	124	106	91.7	80.6	71.7	64.6	58.8	49.9	43.5	38.6	34.7	31.6	29.0	26.8	25.0	23.3	21.9	3,520
	1.13	126	112	98.7	87.5	78.5	71.0	64.8	55.0	47.7	42.1	38.0	34.7	31.9	29.5	27.5	25.8	24.2
M_c,y,Rd = 126	1.35	126	121	109	97.9	88.8	81.0	74.4	63.6	55.3	48.8	43.4	39.6	36.5	33.9	31.7	29.7	28.0
M_c,z,Rd = 35.1	1.50	126	126	114	104	95.1	87.3	80.6	69.4	60.6	53.5	47.6	42.8	39.5	36.7	34.3	32.2	30.4
	1.77	126	126	123	113	105	97.5	90.7	79.1	69.7	61.9	55.4	49.9	45.1	41.4	38.8	36.5	34.5
	2.00	126	126	126	120	112	105	98.3	86.8	77.1	69.0	62.0	56.0	50.8	46.3	42.4	40.0	37.8
Class = 1	2.50	126	126	126	126	125	118	112	101	91.6	83.1	75.6	69.0	63.2	58.0	53.3	49.2	45.5
230x75x26	1.00	90.3	74.6	62.7	53.7	47.0	41.7	37.6	31.4	27.1	23.9	21.4	19.3	17.7	16.3	15.1	14.1	13.3	2,750
	1.13	94.9	80.0	68.1	58.9	51.7	46.0	41.4	34.4	29.7	26.2	23.5	21.3	19.5	18.0	16.8	15.7	14.7
M_c,y,Rd = 98.7	1.35	98.7	87.6	76.2	66.9	59.3	53.1	47.9	39.9	33.9	30.0	27.0	24.5	22.5	20.8	19.4	18.1	17.1
M_c,z,Rd = 22.4	1.50	98.7	92.0	81.1	71.9	64.2	57.7	52.3	43.7	37.2	32.3	29.2	26.6	24.5	22.7	21.1	19.8	18.6
	1.77	98.7	98.4	88.5	79.7	72.1	65.5	59.8	50.5	43.2	37.5	32.9	30.1	27.8	25.8	24.1	22.6	21.3
	2.00	98.7	98.7	93.7	85.5	78.1	71.6	65.8	56.1	48.4	42.1	37.0	32.9	30.4	28.3	26.4	24.8	23.4
Class = 1	2.50	98.7	98.7	98.7	95.5	88.9	82.7	77.1	67.3	59.0	52.1	46.2	41.3	37.0	33.3	31.2	29.4	27.8
200x90x30	1.00	102	88.1	77.3	68.7	61.9	56.3	51.6	44.4	39.0	34.8	31.5	28.7	26.4	24.5	22.9	21.4	20.1	2,520
	1.13	103	93.3	82.9	74.5	67.5	61.7	56.8	48.9	42.9	38.2	34.4	31.5	29.0	26.9	25.2	23.6	22.2
M_c,y,Rd = 103	1.35	103	101	91.0	82.9	76.0	70.1	64.9	56.4	49.7	44.2	39.7	35.9	33.1	30.8	28.8	27.1	25.6
M_c,z,Rd = 33.5	1.50	103	103	95.6	87.9	81.1	75.3	70.1	61.3	54.3	48.4	43.6	39.4	35.9	33.3	31.2	29.4	27.7
	1.77	103	103	102	95.4	89.1	83.5	78.4	69.5	62.1	55.8	50.5	45.9	41.9	38.4	35.3	33.2	31.4
	2.00	103	103	103	101	94.8	89.5	84.6	75.8	68.3	61.8	56.2	51.3	47.0	43.2	39.8	36.8	34.3
Class = 1	2.50	103	103	103	103	103	100	95.6	87.5	80.2	73.7	67.8	62.5	57.8	53.5	49.6	46.1	42.9
200x75x23	1.00	74.3	62.1	53.0	46.1	40.8	36.6	33.2	28.1	24.4	21.6	19.4	17.6	16.1	14.9	13.9	13.0	12.2	1,960
	1.13	78.0	66.5	57.5	50.4	44.8	40.3	36.6	30.8	26.6	23.7	21.3	19.4	17.8	16.5	15.3	14.3	13.5
M_c,y,Rd = 80.6	1.35	80.6	72.6	64.1	57.0	51.2	46.4	42.3	35.7	30.8	26.9	24.3	22.2	20.5	19.0	17.7	16.6	15.6
M_c,z,Rd = 21.5	1.50	80.6	76.1	67.9	61.0	55.2	50.3	46.0	39.1	33.8	29.5	26.3	24.1	22.2	20.6	19.2	18.0	17.0
	1.77	80.6	80.6	73.9	67.4	61.7	56.7	52.3	45.0	39.1	34.4	30.4	27.1	25.1	23.3	21.8	20.5	19.4
	2.00	80.6	80.6	78.0	72.0	66.5	61.6	57.2	49.7	43.6	38.5	34.2	30.6	27.5	25.5	23.9	22.5	21.3
Class = 1	2.50	80.6	80.6	80.6	79.9	75.1	70.6	66.4	59.0	52.6	47.1	42.3	38.2	34.6	31.4	28.7	26.5	25.1
180x90x26	1.00	81.3	70.2	61.6	54.8	49.4	44.9	41.2	35.5	31.2	27.8	25.1	23.0	21.1	19.6	18.3	17.1	16.1	1,820
	1.13	82.4	74.4	66.1	59.4	53.9	49.3	45.3	39.1	34.3	30.5	27.5	25.2	23.2	21.5	20.1	18.9	17.8
M_c,y,Rd = 82.4	1.35	82.4	80.1	72.6	66.1	60.7	56.0	51.9	45.1	39.7	35.4	31.8	28.8	26.5	24.6	23.1	21.7	20.5
M_c,z,Rd = 29.6	1.50	82.4	82.4	76.2	70.1	64.8	60.1	55.9	49.0	43.4	38.7	34.8	31.6	28.7	26.6	24.9	23.5	22.2
	1.77	82.4	82.4	81.7	76.1	71.1	66.6	62.6	55.5	49.6	44.6	40.4	36.7	33.5	30.7	28.2	26.5	25.1
	2.00	82.4	82.4	82.4	80.3	75.7	71.4	67.5	60.6	54.6	49.4	45.0	41.0	37.6	34.5	31.9	29.4	27.4
Class = 1	2.50	82.4	82.4	82.4	82.4	82.4	79.8	76.3	69.8	64.1	58.9	54.2	50.0	46.2	42.8	39.7	36.9	34.4
180x75x20	1.00	57.5	48.0	40.8	35.4	31.2	28.0	25.3	21.4	18.5	16.4	14.7	13.4	12.2	11.3	10.5	9.82	9.22	1,370
	1.13	60.4	51.4	44.3	38.7	34.3	30.8	27.9	23.5	20.3	18.0	16.2	14.7	13.5	12.5	11.6	10.9	10.2
M_c,y,Rd = 62.5	1.35	62.5	56.1	49.4	43.8	39.3	35.5	32.3	27.2	23.4	20.5	18.5	16.9	15.5	14.4	13.4	12.6	11.8
M_c,z,Rd = 18.4	1.50	62.5	58.9	52.4	47.0	42.4	38.5	35.1	29.8	25.6	22.4	20.0	18.3	16.8	15.6	14.6	13.7	12.9
	1.77	62.5	62.5	57.0	51.9	47.4	43.5	40.0	34.3	29.7	26.0	23.0	20.6	19.1	17.7	16.6	15.6	14.7
	2.00	62.5	62.5	60.3	55.5	51.1	47.3	43.8	37.9	33.2	29.2	25.9	23.1	20.8	19.4	18.2	17.1	16.2
Class = 1	2.50	62.5	62.5	62.5	61.6	57.8	54.3	51.0	45.1	40.1	35.8	32.1	28.9	26.1	23.7	21.6	20.2	19.1
150x90x24	1.00	63.1	55.2	49.1	44.2	40.3	37.0	34.3	29.8	26.4	23.8	21.6	19.8	18.3	17.0	15.9	14.9	14.1	1,160
	1.13	63.5	58.3	52.5	47.8	43.8	40.5	37.6	32.8	29.1	26.1	23.7	21.6	20.0	18.6	17.4	16.4	15.5
M_c,y,Rd = 63.5	1.35	63.5	62.7	57.4	52.9	49.0	45.7	42.7	37.7	33.7	30.3	27.5	25.1	23.0	21.2	19.9	18.8	17.7
M_c,z,Rd = 27.3	1.50	63.5	63.5	60.1	55.9	52.1	48.9	45.9	40.8	36.6	33.1	30.1	27.5	25.2	23.2	21.5	20.3	19.2
	1.77	63.5	63.5	63.5	60.3	56.9	53.8	51.0	45.9	41.6	37.9	34.6	31.8	29.3	27.1	25.1	23.3	21.7
	2.00	63.5	63.5	63.5	63.5	60.3	57.4	54.7	49.8	45.5	41.7	38.3	35.4	32.7	30.3	28.2	26.2	24.5
Class = 1	2.50	63.5	63.5	63.5	63.5	63.5	63.5	61.2	56.8	52.7	49.0	45.6	42.5	39.7	37.1	34.7	32.5	30.5
150x75x18	1.00	43.5	36.8	31.8	27.9	24.9	22.5	20.6	17.5	15.3	13.6	12.3	11.2	10.3	9.49	8.83	8.26	7.77	861
	1.13	45.6	39.3	34.4	30.5	27.3	24.8	22.6	19.3	16.8	14.9	13.4	12.3	11.3	10.5	9.75	9.13	8.59
M_c,y,Rd = 46.9	1.35	46.9	42.8	38.2	34.3	31.1	28.4	26.1	22.3	19.4	17.1	15.3	14.0	12.9	12.0	11.2	10.5	9.93
M_c,z,Rd = 16.8	1.50	46.9	44.8	40.4	36.7	33.5	30.7	28.3	24.4	21.3	18.8	16.7	15.2	14.0	13.0	12.2	11.4	10.8
	1.77	46.9	46.9	43.8	40.3	37.2	34.5	32.1	28.0	24.6	21.8	19.5	17.5	15.8	14.7	13.8	13.0	12.3
	2.00	46.9	46.9	46.1	42.9	40.0	37.3	34.9	30.8	27.3	24.3	21.8	19.7	17.8	16.2	15.1	14.2	13.5
Class = 1	2.50	46.9	46.9	46.9	46.9	44.8	42.4	40.2	36.2	32.6	29.5	26.8	24.4	22.2	20.4	18.7	17.2	15.9
125x65x15	1.00	28.5	24.1	21.0	18.6	16.7	15.1	13.9	11.9	10.4	9.27	8.37	7.63	7.01	6.49	6.05	5.66	5.32	483
	1.13	30.0	25.9	22.7	20.3	18.3	16.6	15.3	13.1	11.4	10.1	9.18	8.38	7.72	7.16	6.67	6.25	5.89
M_c,y,Rd = 31.9	1.35	31.9	28.3	25.4	22.9	20.9	19.1	17.6	15.1	13.2	11.7	10.5	9.58	8.85	8.22	7.68	7.21	6.80
M_c,z,Rd = 11.8	1.50	31.9	29.7	26.9	24.5	22.4	20.7	19.1	16.5	14.5	12.8	11.4	10.3	9.57	8.91	8.34	7.83	7.39
	1.77	31.9	31.8	29.2	27.0	25.0	23.2	21.7	18.9	16.7	14.9	13.3	12.0	10.8	10.1	9.44	8.89	8.40
	2.00	31.9	31.9	30.9	28.8	26.9	25.2	23.6	20.9	18.5	16.6	14.9	13.4	12.2	11.1	10.3	9.74	9.22
Class = 1	2.50	31.9	31.9	31.9	31.9	30.2	28.7	27.2	24.5	22.2	20.1	18.3	16.6	15.2	13.9	12.8	11.8	10.9
100x50x10	1.00	14.3	12.0	10.3	9.11	8.14	7.37	6.73	5.75	5.02	4.46	4.02	3.66	3.36	3.10	2.89	2.70	2.54	208
	1.13	15.2	12.9	11.3	10.0	8.97	8.12	7.41	6.30	5.49	4.89	4.42	4.03	3.70	3.43	3.19	2.99	2.81
M_c,y,Rd = 17.4	1.35	16.4	14.3	12.7	11.4	10.3	9.37	8.58	7.30	6.31	5.58	5.06	4.62	4.26	3.95	3.69	3.46	3.25
M_c,z,Rd = 6.21	1.50	17.1	15.1	13.6	12.3	11.1	10.2	9.36	8.00	6.92	6.06	5.46	5.01	4.62	4.29	4.01	3.76	3.55
	1.77	17.4	16.4	14.9	13.7	12.5	11.6	10.7	9.23	8.04	7.07	6.26	5.65	5.23	4.87	4.56	4.29	4.04
	2.00	17.4	17.2	15.9	14.7	13.6	12.6	11.7	10.2	8.98	7.93	7.05	6.30	5.72	5.33	5.00	4.71	4.45
Class = 1	2.50	17.4	17.4	17.4	16.5	15.5	14.6	13.7	12.2	10.9	9.74	8.75	7.89	7.14	6.48	5.91	5.55	5.26

⁽¹⁾ C₁ is the factor dependent on the loading and end restraints

Section classification given applies to members subject to bending about the y-y axis only

Design Data

Long products

Flat products

Other

Long products - Channels - Parallel flange channels PFC - S355 - 4. Buckling resistance moment PFC