Channels Dimensions

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Steel Section Index

Channels...BS 4-1:1971 (Superseded by BS 4: 1993)

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Dimensions

M=Mass per m , D=Depth of Section, B= Width of Section, T1=Web thickness,
T2=Flange Thickness, R1=Root radius, R2=Toe Rad, Area=Area of Section

Serial Size	M	D	B	T1	T2	R1	R2	DT	D/T	Area
mm	kg	mm	mm	mm	mm	mm	mm	mm		cm²
432 x102	65.54	431.8	101.6	12.2	16.8	15.2	4.8	362.5	25.7	83.49
381 x 102	55.1	381.0	101.6	10.4	16.3	15.2	4.8	312.4	23.4	70.19
305 x 102	46.18	304.8	101.6	10.2	14.8	15.2	4.8	239.3	20.6	58.83
305 x 89	41.69	304.8	88.9	10.2	13.7	13.7	3.2	245.4	22.2	53.11
254 x 89	35.74	254.0	88.9	9.1	13.6	13.7	3.2	194.8	18.7	45.52
254 x 76	28.29	254.0	76.2	8.1	10.9	12.2	3.2	203.7	23.3	36.03
229 x 89	32.76	228.6	88.9	8.6	13.3	13.7	3.2	169.9	17.2	41.73
229 x 76	26.06	228.6	76.2	7.6	11.2	12.2	3.2	178.1	20.4	33.20
203 x 89	29.78	203.2	88.9	8.1	12.9	13.7	3.2	145.3	15.8	37.94
203 x 76	23.82	203.2	76.2	7.1	11.2	12.2	3.2	152.4	18.1	30.34
178 x 89	26.81	177.8	88.9	7.6	12.3	13.7	3.2	120.9	14.5	34.15
178 x 76	20.84	177.8	76.2	6.6	10.3	12.2	3.2	128.8	17.3	26.54
152 x 89	23.84	152.4	88.9	7.1	11.6	13.7	3.2	97.0	13.1	30.36
152 x 76	17.88	152.4	76.2	6.4	9.0	12.2	2.4	105.9	16.9	22.77
127 x 64	14.90	127.0	63.5	6.4	9.2	10.7	2.4	84.1	13.8	18.98
102 x 51	10.42	101.6	50.8	6.1	7.6	9.1	2.4	65.8	13.4	13.28
76 x 38	6.7	76.2	38.1	5.1	6.8	7.6	2.4	45.7	11.2	8.53

Steel Section Index