方管,矩形管尺寸表.pdf

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1、惯性半径截面模数边长允许壁厚理论重量惯性矩/cm^4扭转常数外圆弧半径/mm边长截面面积/cmcm^3厚度H/m偏差t/mM/(kg/mB/mmA/cm^2Ct/cm^t/m碳素钢低合金钢m/mmm)IxIyrxryWxWyIt/cm^43m(σs≤320MPa(σs≥320MPa))±0.50.7830201.51.061.351.590.841.081.060.841.831.408—FGXR0.77t≤31.0～2.5t1.5～2.5t1.751.221.551.770.931.071.180.932.071.5673＜1.

2、5～2.5t2.0～3.0t0.76t≤621.361.741.941.021.061.291.022.291.7156＜±0.52.0～3.0t2.0～3.5t40200.74t≤1002.51.642.092.211.151.031.471.152.681.952t＞102.0～3.5t2.5～4.0t0.811.51.31.653.271.11.411.631.12.741.9150.801.751.491.93.681.231.391.841.233.112.144定尺精度长度范围允许偏差0.79级别/mm/mm21.68

3、2.144.051.341.382.021.343.452.363普通级4000～±0.5(+70,0)40252.52.032.594.691.541.350.772.351.544.062.72别1200000.74精确级别4000～6000(+5,0)32.363.015.211.681.322.61.684.5738＞6000～精确级别(+10,0)1.51.411.83.821.841.461.011.911.474.062.46120000.991.751.632.074.322.071.442.161.664.632

4、.7690.9821.832.344.772.281.432.391.825.173.0780.96±0.52.52.232.845.572.641.42.792.116.153.594030500.9432.63.316.242.941.373.122.3574.0121.191.51.531.954.382.811.52.191.875.523.0291.181.751.772.254.963.171.482.482.116.313.4271.1721.992.545.493.511.472.752.347.073.796±0

5、.51.1550252.52.423.096.454.11.453.232.748.474.46031.1232.833.617.274.61.423.633.079.725.0391.51.652.16.652.251.781.042.661.85.523.411.021.751.92.427.552.541.763.022.036.323.545030±0.54022.152.748.382.811.751.013.352.257.063.9230.992.52.622.349.893.281.723.952.628.434.

6、610.9633.073.9111.173.671.694.472.939.645.1891.821.233.011.51.7672.2527.5353.4152.2767.5873.839141.813.421.752.0392.5988.5663.8681.222.5798.6824.35561.801.203.8122.3052.9369.5354.2912.8619.7274.841841.771.184.512.52.8173.58911.2965.053.36611.6665.72468±0.550401.741.16

7、033.3034.20612.8275.6965.133.79713.4016.49531.681.116.0944.1985.34715.2396.6824.45516.2447.778751.901.601.52.0032.5529.36.6023.723.30112.2385.24881.891.594.241.752.3142.94810.6037.5183.75914.0595.976611.881.584.7322.6193.33611.848.3484.19215.8176.6733561.851.565.642.5

8、3.214.08914.1219.9764.98819.2227.965±0.58285525011.381.831.5333.7754.80816.1496.465.69122.3369.12323913.671.781.497.7944.826