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Technical data

Channel steel standard cross-section dimensions and cross-section area, unit mass, and cross-section characteristics（JIS　G　3192）

溝形鋼の断面01
Sectional secondary moment 　I＝ai2
Sectional secondary radius 　i=√I/a
Sectional modulus 　Z=I/e

（a=Cross-section area）

溝形鋼の断面02
Cross-section
dimensions		 Cross-section
area
（cm2)		 Unit mass
（kg/m) 		Reference
Center
of gravity
(cm)		 Sectional secondary
moment
(cm4)		 Sectional secondary
radius
(cm)		 Sectional modulus
(cm3)
H×B t1 t2 r1 r2 Cx Cy Ix Iy ix iy Zx Zy
75×40 5 7 8 4 8.818 6.92 0 1.28 75.3 12.2 2.92 1.17 20.1 4.47
100×50 5 7.5 8 4 11.92 9.36 0 1.54 188 26.0 3.97 1.48 37.6 7.52
125×65 6 8 8 4 17.11 13.4 0 1.90 424 61.8 4.98 1.90 67.8 13.4
150×75 6.5 10 10 5 23.71 18.6 0 2.28 861 117 6.03 2.22 115 22.4
150×75 9 12.5 15 7.5 30.59 24.0 0 2.31 1050 147 5.86 2.19 140 28.3
180×75 7 10.5 11 5.5 27.20 21.4 0 2.13 1380 131 7.12 2.19 153 24.3
200×80 7.5 11 12 6 31.33 24.6 0 2.21 1950 168 7.88 2.32 195 29.1
200×90 8 13.5 14 7 38.65 30.3 0 2.74 2490 277 8.02 2.68 249 44.2
250×90 9 13 14 7 44.07 34.6 0 2.40 4180 294 9.74 2.58 334 44.5
250×90 11 14.5 17 8.5 51.17 40.2 0 2.40 4680 329 9.56 2.54 374 49.9
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