Inverted angle steel, unequal angle steel, angle channel and i-beam
Descriptions
Also called an angle, it is a rolled section steel with two sides at right angles. There are equal ㄱ-section steel, unequal ㄱ-section steel, and inverted ㄱ-section steel, which are mainly used for truss members, shipbuilding and steel towers.
Dimensions and Sectional Properties
Nominal Size |
Standard Sectional Dimension (mm) |
Sectional Area (cm2) |
Unit Weight (kg/m) |
Center of Gravity (cm) |
Moment of Inertia (cm2) |
Radius of Gyration (cm) |
tan α | Modulus of Section (cm2) |
||||||||||||
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A x B | t1 | t2 | r1 | r2 | A | W | Cx | Cy | lx | max ly | min lu | lv | ix | max ly | min iu | iv | Sx | Sy | ||
200x90 | 200x90 | 10 | 14 | 14 | 7 | 31.52 | 24.7 | 6.61 | 2.08 | 1,297 | 202 | 1,290 | 125 | 6.41 | 2.53 | 6.41 | 2.53 | 0.263 | 96.9 | 29.2 |
250x90 | 250x90 | 10 | 15 | 17 | 8.5 | 37.47 | 29.4 | 8.61 | 1.92 | 2,440 | 223 | 2,520 | 147 | 8.08 | 2.44 | 8.20 | 1.98 | 0.182 | 149 | 31.5 |
250x90 | 12 | 16 | 17 | 8.5 | 42.95 | 33.7 | 8.99 | 1.89 | 2,790 | 238 | 2,870 | 160 | 8.07 | 2.35 | 8.18 | 1.93 | 0.173 | 174 | 33.5 | |
300x90 | 300x90 | 11 | 16 | 19 | 9.5 | 46.22 | 36.3 | 11.0 | 1.76 | 4,370 | 245 | 4,440 | 168 | 9.72 | 2.30 | 9.80 | 1.90 | 0.136 | 229 | 33.8 |
300x90 | 13 | 17 | 19 | 9.5 | 52.67 | 41.3 | 11.3 | 1.75 | 4,940 | 259 | 5,020 | 181 | 9.68 | 2.22 | 9.76 | 1.85 | 0.128 | 264 | 35.8 | |
350x100 | 350x100 | 12 | 17 | 22 | 11 | 57.74 | 45.3 | 13.0 | 1.87 | 7,440 | 362 | 7,550 | 251 | 11.3 | 2.50 | 11.4 | 2.08 | 0.124 | 338 | 44.5 |
400x100 | 400x100 | 11.5 | 16 | 24 | 12 | 61.08 | 48.0 | 15.28 | 1.71 | 10,284 | 349 | 11,600 | 277 | 13 | 2.39 | 13 | 2.39 | 0.0996 | 416 | 42.1 |
400x100 | 13 | 18 | 24 | 12 | 68.59 | 53.8 | 15.4 | 1.77 | 11,500 | 388 | 11,600 | 277 | 12.8 | 2.38 | 13 | 2.01 | 0.0996 | 467 | 47.1 | |
450x125 | 450x125 | 11.5 | 18 | 24 | 12 | 73.11 | 57.4 | 16.2 | 2.29 | 15,700 | 768 | 16,000 | 525 | 14.7 | 3.24 | 14.8 | 2.68 | 0.126 | 547 | 75.2 |