低压流体输送用钢管与镀锌管理论重量表最新文档(可以直接使用，可编辑最新文档，欢迎下载）低压流体输送用钢管与镀锌管理论重量表(按GB/T3091—2021标准执行)规格外径(D)mm壁厚(t)mm最小壁厚mm加厚钢管壁厚mm焊管加厚钢管镀锌钢管备注公称内径英寸kg/mkg/mkg/mDN610.22.01.802.50.4040.4750.429DN813.52.52.252.80.6780.7390.719DN1017.22.52.252.80.9060.9940.961DN151/221.32.82.523.51.2771.5361.354DN203/426.92.82.523.51.6642.1.764DN25133.73.22.884.02.4072.9302.551DN321.2542.43.53.154.03.3583.7883.559DN401.548.33.53.154.53.8674.8614.099DN50260.33.83.424.55.2956.1935.613DN652.576.14.03.604.57.1127.9467.539DN80388.94.03.605.08.37510.358.877DN1004114.34.03.605.010.8813.4811.53DN1255139.74.03.605.513.3918.2014.19DN1506168.34.54.056.018.1824.0219.27DN2008219.16.05.4031.53//DN2008219.16.55.85//36.12备注钢管壁厚（t）允许偏差均为±10%t，管材计算公式W=24.66156*t*(D-t)*1/1000，镀锌管重量一般均按钢管重量的6%增加计算重量。下列为标准规定的镀锌层的重量系数：镀锌管重量W’=cW壁厚/mm1.61.82.02.32.62.93.23.64.0系数/c1.0801.0711.0641.0551.0491.0441.0401.0351.032壁厚/mm4.55.05.45.66.37.18.08.810系数/c1.0281.0251.0241.0231.1.0181.0161.0141.013钢管千克每米重量按下式计算W=0.0246615×(D－t)×tkg/m镀锌钢管重量W1应增加重量系数W1=C×W式中：C—增加的重量系数镀锌钢管理论重量表规格外径mm壁厚mm最小壁厚mm焊管(6米定尺)镀锌管（6米定尺）公称直径英寸米重kg根重kg米重kg根重kgDN151/221.32.82.451.287.681.3578.14DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.33.83.3255.2931.745.60733.64DN652.576.14.03.57.1142.667.53645.21DN80388.94.08.3850.288.8853.28DN1004114.34.010.8865.2811.5369.18DN12551404.515.0490.2415.94298.65DN1506168.34.518.18109.0819.27115.62DN2008219.16.0（焊管）31.53189.18DN2008219.16.5（热镀锌）36.12216.72镀锌钢管理论重量表规格外径普通钢管加厚钢管公称直径mm英寸公称尺寸mm壁厚mm理论重量kg/m壁厚mm理论重量kg/m61/81020.392.50.4681/413.52.250.622.750.73103/8172.250.822.750.97151/221.22.751.263.251.45203/426.82.751.633.252.0125133.53.252.4242.91321+1/442.33.253.1343.78401+1/2483.53.844.254.58502603.54.884.56.16652+1/275.53.754.644.57.8880388.548.344.759.811004114410.85513.4412551404.515.045.518.2415061654.517.815.521.63规格外径mm壁厚mm最小壁厚mm焊管（6米定尺）镀锌管(6米定尺）公称内径英寸米重kg根重kg米重kg根重kgDN151/221.32.82.45DN203/426