ㄱ형강 표준단면치수 단위무게 Weight 단면적 Sectional Area 단면계수 Modulus of Section ㎠ Standard Sectional Dimension ㎜ A x B t kg/m ㎠ Zx Zy 25 X 25 3 1.12 1.427 0.448 0.448 30 X 30 3 1.36 1.727 0.661 0.661 40 X 40 3 1.83 2.336 1.21 1.21 40 X 40 4 2.42 　 　 　 40 X 40 5 2.95 3.755 1.91 1.91 45 X 45 4 2.74 3.492 2 2 50 X 50 4 3.06 3.892 2.49 2.49 50 X 50 5 3.77 4.8 3.08 3.08 50 X 50 6 4.43 5.644 3.55 3.55 60 X 60 4 3.68 4.692 3.66 3.66 60 X 60 5 4.55 5.802 4.52 4.52 65 X 65 6 5.91 7.527 6.27 6.27 65 X 65 8 7.66 9.761 7.97 7.97 70 X 70 6 6.38 8.127 7.33 7.33 75 X 75 6 6.85 8.727 8.47 8.47 75 X 75 9 9.95 12.69 12.1 12.1 75 X 75 12 13 16.56 15.7 15.7 80 X 80 6 7.32 9.327 9.7 9.7 90 X 90 6 8.28 10.55 12.3 12.3 90 X 90 7 9.59 12.22 14.2 14.2 90 X 90 10 13.3 17 19.5 19.5 90 X 90 13 17 21.71 24.8 24.8 100 x 100 7 10.7 13.62 17.7 17.7 100 x 100 10 14.9 19 24.4 24.4 100 x 100 13 19.1 24.31 31.1 31.1 120 x 120 8 14.7 18.76 29.5 29.5 130 X 130 9 17.9 22.74 38.7 38.7 130 X 130 12 23.4 29.76 49.9 49.9 130 X 130 15 28.8 36.75 61.5 61.5 150 X 150 12 27.3 34.77 68.2 68.2 150 X 150 15 33.6 42.74 82.6 82.6 150 X 150 19 41.9 53.38 103 103 175 X 175 12 31.8 40.52 91.6 91.6 175 X 175 15 39.4 50.21 114 114 200 X 200 15 45.3 57.75 150 150 200 X 200 20 59.7 76 197 197 200 X 200 25 73.6 93.75 242 242 250 X 250 25 93.7 119.4 388 388 250 X 250 35 128 162.6 519 519 상기 규격외는 주문 생산 가능합니다