工字钢截面特性.pdfVIP

按照截面积大体相近，并且饶X轴的抗弯强度不低于相应工字钢的原则，计算出了标准中H型钢有关型号与GB/T706-88热轧工字钢

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尺寸、外形、重量及允许偏差〉〉中的工字钢的有关型号以及他们的性能参数比较表（见表Ｂ１），以供有关人员在使用Ｈ型钢替代

工字钢时参考。

表Ｂ１Ｈ型钢与工字钢型号及性能参数比较表

工字钢Ｈ型钢型Ｈ型钢与工字钢性能参数比较工字Ｈ型钢型Ｈ型钢与工字钢性能参数比较

型号号钢型号

横截抗弯抗剪抗弯惯性半径号横截抗弯抗剪抗弯惯性半径

面积强度强度刚度面积强度强度刚度

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I10H125×601.191.361.631.701.200.86I40aH400×2000.981.090.791.091.061.64

I12..6H150×751.001.171.191.391.181.02H450×1500.971.110.971.251.131.11

I14H175×901.081.371.151.711.261.18H446×1990.991.200.881.341.161.56

I16H175×900.890.990.921.081.101.08I40bH400×2000.891.040.671.041.081.68

H198×990.901.160.951.431.261.16H450×1500.891.060.831.191.151.14

H200×1001.061.331.161.671.251.17H446×1990.901.140.751.271.191.59

I18H200×1000.901.010.951.131.121.11H450×2001.041.320.851.481.191.62

1

H248×1241.071.551.092.131.411.39H500×1501.041.351.011.691.271.12

I20aH248×1240.931.210.911.501.281.31I40cH400×2000.820.990.590.991.111.71

H250×1251.071.381.091.721.281.32H450×1500.821.010.721.141.181.15

I20bH248×1240.831.150.721.421.311.35H446×1990.831.090.651.221.2