환봉 직 경Diameter 단면적Sectional Area 단위무게Weight 직 경Diameter 단면적Sectional Area 단위무게Weight ㎜ ㎠ kg/m ㎜ ㎠ kg/m 6 0.2827 0.222 45 15.9 12.5 7 0.3848 0.302 46 16.62 13 8 0.5027 0.395 48 18.1 14.2 9 0.6362 0.499 50 19.64 15.4 10 0.7854 0.617 52 21.24 16.7 11 0.9503 0.746 55 23.76 18.7 12 1.131 0.888 56 24.63 19.3 13 1.327 1.04 60 28.27 22.2 16 2.011 1.58 64 32.17 25.3 19 2.835 2.23 65 33.18 26 20 3.142 2.47 70 38.48 30.2 22 3.801 2.98 75 44.18 34.7 24 4.524 3.55 80 50.27 39.5 25 4.909 3.85 85 56.75 44.5 28 6.158 4.83 90 63.62 49.9 30 7.069 5.55 95 70.88 55.6 32 8.042 6.31 100 78.54 61.7 36 10.18 7.99 110 95.03 74.6 38 11.34 8.9 120 113.1 88.8 42 13.85 10.9 130 132.7 104 상기 규격외는 주문 생산 가능합니다