3-4.Channel steel

Standard cross-sectional dimensions mm				Cross-sectional area cm2	Unit mass kg/m	Of the center of gravity position cm		Moment of inertia of area cm4		Second moment of area radius cm		Moment of inertia cm3
HxBxt1	t2	R1	R2			Cx	Cy	Ix	Iy	ix	iy	Zx	Zy
75x40x5	7	8	4	8.818	6.92	0	1.28	75.3	12.2	2.92	1.17	20.1	4.47
100x50x5	7.5	8	4	11.92	9.36	0	1.54	188	26.0	3.97	1.48	37.6	7.52
125x65x6	8	8	4	17.11	13.4	0	1.90	424	61.8	4.98	1.90	67.8	13.4
150x75x6.5	10	10	5	23.71	18.6	0	2.28	861	117	6.03	2.22	115	22.4
150x75x9	12.5	15	7.5	30.59	24.0	0	2.31	1050	147	5.86	2.19	140	28.3
180x75x7	10.5	11	5.5	27.20	21.4	0	2.13	1380	131	7.12	2.19	153	24.3
200x80x7.5	11	12	6	31.33	24.6	0	2.21	1950	168	7.88	2.32	195	29.1
200x90x8	13.5	14	7	38.65	30.3	0	2.74	2490	277	8.02	2.68	249	44.2
250x90x9	13	14	7	44.07	34.6	0	2.40	4180	294	9.74	2.58	334	44.5
250x90x11	14.5	17	8.5	51.17	40.2	0	2.40	4680	329	9.56	2.54	374	49.9
300x90x9	13	14	7	48.57	38.1	0	2.22	6440	309	11.5	2.52	429	45.7
300x90x10	15.5	19	9.5	55.74	43.8	0	2.34	7410	360	11.5	2.54	494	54.1
300x90x12	16	19	9.5	61.90	48.6	0	2.28	7870	379	11.3	2.48	525	56.4
380x100x10.5	16	18	9	69.39	54.5	0	2.41	14500	535	14.5	2.78	763	70.5
380x100x13	16.5	18	9	78.96	62.0	0	2.33	15600	565	14.1	2.67	823	73.6
380x100x13	20	24	12	85.71	67.3	0	2.54	17600	655	14.3	2.76	926	87.8
References: "JIS Handbook 2001 (2) Steel II Rod / Shape / Plate / Strip / Steel Pipe / Wire / Secondary Product" (Japanese Standards Association), Page 420, Appendix Table 5 Standard cross-sectional dimensions, cross-sectional area, and unit mass of channel steel And quoted from cross-sectional characteristics.