KS D 3503, 3515/3502

표준단면치수 Standard Sectional Dimension (mm) 단면적 Sectional Area(㎝²) 단위중량 Unit Weight (㎏/m) 단면2차모멘트 Moment of Inertia (㎝⁴) 단면2차변경 Radius of Gyration (㎝) 단면계수 Modulus of Section(㎝³) HxB t¹ t² r¹ r² A W lx ly ix iy Zx Zy 75x40 5 7 8 4 8.818 6.92 75.3 12.2 2.92 1.17 20.1 4.47 100x50 5 7.5 8 4 11.92 9.36 188 26.0 3.97 1.48 37.6 7.52 125x65 6 8 8 4 17.11 13.40 424 61.8 4.98 1.90 67.8 13.4 150x75 6.5 10 10 5 23.71 18.6 861 117 6.03 2.22 115 22.4 200x80 7.5 11 12 6 31.33 24.6 1.950 168 7.88 2.32 195 29.1 200x90 8 13.5 14 7 38.65 30.3 2.490 277 8.02 2.68 249 44.2 250x90 9 13 14 7 44.07 34.6 4.180 294 9.74 2.58 334 44.5 300x90 9 13 14 7 48.57 38.1 6.440 309 11.5 2.52 429 45.7 380x100 10.5 16 18 9 69.69 54.5 14.500 535 14.5 2.78 763 70.5 380x100 13 20 24 12 85.71 67.3 17.600 655 14.3 2.76 926 87.8

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