常用法兰、钢管、方形无缝管、弯头重量.doc

常用法兰、钢管、弯头重量钢管 法兰 冲压弯头规格型号 外径 壁厚 重量 重量 重量DN 15 21.3 2.75 1.26 0.511 0.022DN 20 26.8 2.75 1.63 0.748 0.034DN 25 33.5 3.25 2.42 0.89 0.063DN 32 42.3 3.25 3.13 1.40 0.103DN 40 48.0 3.5 3.84 1.71 0.146DN 50 60.0 3.5 4.88 2.09 0.229DN 65 75.5 3.75 6.64 2.84 0.394DN 80 88.5 4.0 8.34 3.24 0.580DN 100 114 4.0 10.85 4.01 0.971DN 125 140 4.5 15.04 5.40 1.653DN 150 165 4.5 17.81 6.12 2.308DN200 219 5 26.4 8.24 4.541DN250 267 5.4 34.8 10.7 7.298DN300 325 6 47.2 12.9 12.048DN500 529 6 80.4 27.7 33.404纯铜 8.9t/m3 黄铜 8.9t/m3 铝 2.8t/m3 方形无缝管规格型号(mm) 厚度(mm) 最小数量(吨)kg/m30*20 2.0 60 1.3635*20 2.0 60 1.522.0 60 1.6840*202.5 60 2.032.0 60 1.9040*272.5 160 2.312.0 160 2.312.5 60 2.8250*303.0 60 3.302.0 60 2.622.5 60 3.2160*303.0 60 3.772.0 60 2.7560*342.5 60 3.372.0 60 2.933.0 60 4.2560*404.0 60 5.4570*35 3.0 160 4.483.0 60 4.7270*404.0 60 6.082.5 60 4.393.0 60 5.1970*504.0 60 6.712.0 60 3.562.5 60 4.393.0 60 5.194.0 60 6.7180*405.0 60 8.133.0 60 5.664.0 60 9.3580*505.0 60 11.40表 40 冷拔无缝方形钢管的尺寸规格基本尺寸A Smm截面面积F/cm2理论质量 G/(kg/m)惯性矩 Jx=Jy/cm4截面系数 Wx=Wy/cm3120.81.00.3480.4230.2730.3320.07390.08730.1230.146141.01.50.5030.7120.3940.5590.1440.1920.2060.274161.01.50.5830.8320.4580.6530.2220.3000.2780.374181.01.52.00.6630.9521.210.5210.7470.9520.3240.4420.5350.3600.4910.595201.01.52.02.50.7431.071.371.640.5830.8411.081.290.4530.6240.7630.8740 4530.6240.7630.8742211.522.50.8231.191.531.840.6460.9361.201.450.6120.8501.051.210.5560.7730.9531.10252.532.142.491.681.951.862.081.491.57302.533.542.643.013.503.892.082.422.753.053.413.864.254.582.272.582.833.05322.533.52.843.333.782.232.612.974.214.795.292.633.003.3132 4 4.21 3.30 5.73 3.58352.533.5453.143.694.204.685.582.472.893.303.684.385.546.457.167.788.793.223.684.094.455.02362.533.543.243.814.3044.855.752.552.993.413.814.536.187.077.878.569.703.433.934.374.765.395402.533.54563.644.294.905.496.587.552.863.373.854.315.165.938.689.9811.1612.2113.9815.344.344.995.586.116.997.67422.533.54563.844.535.185.816.988.033.023.554.074.565.486.3010.1511.7013.1014.3716.5618.224.835.576.246.847.878.58453.5455.606.237.584.404.945.9516.4318.0720.907.308.039.29456788.759.8110.86.877.808.4423.1924.9726.3010.3111.1011.5950456787.098.589.9511.2112.355.566.737.818.809.7025.5629.8133.3536.2338.5110.2211.9313.3414.4915.4155456787.899.5811.1512.5113.956.197.528.759.9010.9534.8740.9546.1350.4754.0412.5814.8916.7718.3519.6560456788.6910.5812.3514.0115.556.828.309.6911.0012.2146.2154.5761.8268.0373.2815.418.1920.6122.6824.4365 45 9.4911.58 7.459.07 59.7870.92 18.3921.8267813.5515.4117.1510.6412.1013.4780.7289.2796.6424.8427.4629.747045610.2912.5814.78.089.8711.5875.7890.26103.121.6525.7929.4770 78 16.8118.75 13.1914.72 114.5124.5 32.7235.57754567811.0913.5815.9518.2120.358.7010.6612.5214.2915.9894.4112.8129.4144.2157.325.1730.0834.5038.4441.94804567811.8914.5817.1519.6121.959.3311.4413.4615.3917.23115.9138.9159.7178.5195.428.9634.7239.9344.6348.85567816.9820.0322.9725.7913.3315.7218.0320.25217.1251.1282.3310.947.1954.5961.3867.58100567818.5821.9525.2128.3514.5817.2319.7922.26282.8328.2370.2408.956.5765.5474.0481.7811078928.0131.5534.9821.9924.7727.46503.4557.9608.491.54101.4110.6注：理论质量计算G=0.0157S(A+A-2.8584S)式中 G——每米钢管的质量(kg/m)；A——方形钢管的边长(mm) ；S——方形钢管的公称壁厚(mm).以钢管 R=1.5S 时，钢的密度为 7.85g/cm3 的计算公式。

4.3.5　埋地钢管道外防腐层的构造应符合设计规定，当设计无规定时其构造应符合表4.3.5-1 及表 4.3.5-2 的规定石油沥青涂料外防腐层构造　　　　　　　　　　表 4.3.5-1三油二布 四油三布 五油四布景材料种类 构　　造 厚度(mm) 构　　造厚度(mm) 构　　造厚度(mm)　 石油沥青涂料1.底漆一层2.沥青3.玻璃布一层4.沥青5. 玻璃布一层6.沥青7.聚氯乙烯工业薄膜一层≥4.01.底漆一层2.沥青3.玻璃布一层4.沥青5.玻璃布一层6.沥青7.玻璃布一层8.沥青9.聚氯乙烯工业薄膜一层≥5.51.底漆一层2.沥青3.玻璃布一层4.沥青5.玻璃布一层6.沥青7.玻璃布一层8.沥青9.玻璃布一层10.沥青11.聚氯乙烯工业薄膜一层≥7.0环氧煤沥青涂料外防腐层构造　　　　　　　表 4.3.5-2二油 三油一布 四油二布材料种类 构　　造 厚度(mm) 构　　造厚度(mm) 构　　造厚度(mm)基本尺寸 惯性矩 截面模数A B S JX JY WX WYmm截面面积F/cm2理论重量G/kg·m-1 cm4 cm30.8 0.411 0.323 0.0445 0.197 0.111 0.1971 0.503 0.395 0.0520 0.236 0.130 0.2361.5 0.711 0.559 0.0654 0.315 0.164 0.31582 0.891 0.700 0.0728 0.373 0.182 0.3730.8 0.443 0.348 0.0748 0.227 0.150 0.2271 0.543 0.426 0.0884 0.272 0.177 0.2721.5 0.771 0.606 0.115 0.367 0.229 0.367102 0.971 0.763 0.132 0.438 0.263 0.4380.8 0.475 0.373 0.114 0.256 0.190 0.2561 0.583 0.458 0.136 0.308 0.226 0.3081.5 0.831 0.653 0.180 0.418 0.300 0.4182 1.05 0.825 0.211 0.503 0.352 0.50319122.5 1.24 0.976 0.231 0.565 0.385 0.5650.8 0.459 0.361 0.0640 0.271 0.142 0.2461 0.563 0.442 0.0753 0.325 0.167 0.2951.5 0.801 0.629 0.0967 0.440 0.215 0.4002 1.011 0.794 0.110 0.527 0.244 0.47992.5 1.19 0.936 0.117 0.589 0.259 0.5360.8 0.539 0.423 0.177 0.361 0.253 0.3281 0.663 0.520 0.212 0.435 0.303 0.3961.5 0.951 0.746 0.286 0.598 0.408 0.5432 1.21 0.951 0.341 0.727 0.487 0.66122142.5 1.44 1.13 0.381 0.828 0.544 0.7530.8 0.539 0.423 0.134 0.403 0.224 0.3361 0.663 0.520 0.160 0.487 0.267 0.4061.5 0.951 0.747 0.213 0.669 0.355 0.5572 1.21 0.951 0.252 0.815 0.419 0.67924 122.5 1.44 1.13 0.277 0.928 0.462 0.774环氧煤沥青涂料1.底漆2.面漆3.面漆≥0.21.底漆2.面漆3.玻璃布4.面漆5.面漆 ≥0.41.底漆2.面漆3.玻璃布4.面漆5.玻璃布6.面漆7.面漆≥GB3094三)(表四)基本尺寸 惯性矩 截面模数A B S JX JY WX WYmm截面面积F/cm2理论重量G/kg·m-1 cm4 cm30.8 0.。