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1、表一：低低压压流流体体输输送送用用焊焊接接、镀镀锌锌钢钢管管规规格格、重重量量及及市市场场价价格格表表公称直径外径普通焊接钢管壁厚理论重量 市场吨价 单位价格延米表面30保温层长度表面积保温层体积管道支架(mm)(mm)(kg/m)(元/t)(元/m)平米/延米100M体积米平米立方米kgDN10DN1017172.250.8239003.190.0530.000.000DN15DN1521.321.32.751.2639004.910.0670.000.000DN20DN2026.826.82.751.6339006.360.0840.5703728.80313.7921.2541553.6
2、66667DN25DN2533.533.53.252.4239009.460.1050.61035.643.750.21714.85DN32DN3242.342.33.253.13390012.210.1330.6700.000.0000DN40DN4048483.503.84390014.980.1510.74072.0010.850.53324DN50DN5060603.504.88390019.020.1880.8600.000.0000DN70DN7075.575.53.756.64390025.880.2371.010194.4046.091.96355.54285714DN80DN
3、8088.588.54.008.34390032.510.2781.1700.000.0000DN100DN1001141144.0010.85390042.320.3581.3500.000.0000DN125DN1251401404.5015.04390058.640.4401.6000.000.0000DN150DN1501651654.5017.81390069.460.5181.8400.000.0000合合 计计374.4723.9681648.060理论质量计算公式：焊接钢管：P=0.02466S（D-S）镀锌焊接钢管：P=C0.02466S（D-S）(理论质量均系按相对密度7.
4、85计算)表二：一一般般常常用用热热轧轧无无缝缝钢钢管管规规格格、重重量量及及市市场场价价格格表表公称直径外径无缝钢管无缝钢管壁厚1理论重量 市场吨价 单位价格壁厚2理论重量市场吨价单位价格(mm)(mm)(kg/m)(元/t)(元/m)(mm)(kg/m)(元/t)(元/m)DN80DN80893.507.38390028.784.008.38390032.70DN100DN1001084.0010.26390040.014.5011.49390044.79DN125DN1251334.0012.72390049.634.5014.26390055.61DN150DN1501594.5017
5、.14390066.865.0018.99390074.05DN200DN2002196.0031.524600144.976.5034.063900132.84DN250DN2502736.5042.723900166.607.0045.923900179.08DN300DN3003257.5058.723900229.018.0062.543900243.90DN350DN3503779.0081.673900318.539.5086.093900335.77DN400DN4004269.0092.553900360.949.5097.573900380.54DN450DN4504809.
6、00104.533900407.689.50110.223900429.87DN500DN5005309.00115.633900450.969.50121.943900475.56DN600DN6006309.00137.823900537.529.50145.363900566.92公称直径外径普通焊接镀锌钢管加厚钢管壁厚理论重量 市场吨价 单位价格延米表面30保温层长度表面积保温层体积壁厚理论重量(mm)(mm)(kg/m)(元/t)(元/m)平米/延米100M体积米平米立方米(mm)(kg/m)DN10DN1017172.250.8749004.250.0530.000.0002.75
7、0.97DN15DN1521.321.32.751.3349006.530.0670.000.0003.251.45DN20DN2026.826.82.751.7349008.470.0840.5400.000.0003.52.01DN25DN2533.533.53.252.57490012.590.1050.6100.000.00042.91DN32DN3242.342.33.253.32490016.260.1330.6900.000.00043.78DN40DN4048483.504.07490019.950.1510.7400.000.0004.254.59DN50DN5060603.
8、505.17490025.330.1880.8600.000.0004.56.16DN70DN7075.575.53.757.03490034.460.2370.9900.000.0004.57.88DN80DN8088.588.54.008.84490043.290.2781.1200.000.0004.759.81DN100DN1001141144.0011.50490056.360.3581.3600.000.000513.44DN125DN1251401404.5015.94490078.100.4401.6000.000.0005.518.24DN150DN1501651654.50
9、18.88490092.510.5181.8400.000.0005.521.63合合计计0.000.000其中：P理论质量(Kg/m)D外径(mm)S公称壁厚(mm)C焊接钢管镀锌后质量增加系数(取1.031.06)低低压压流流体体输输送送用用焊焊接接、镀镀锌锌钢钢管管规规格格、重重量量及及市市场场价价格格表表无缝钢管壁厚3理论重量市场吨价 单位价格(mm)(kg/m)(元/t)(元/m)4.509.38450042.205.0012.70450057.155.0015.78450071.025.5020.82450093.697.0036.604500164.687.5049.104500
10、220.978.5066.344500298.5410.0090.504500407.2610.00102.594500461.6410.00115.904500521.5610.00128.234500577.0410.00152.894500688.01一一般般常常用用热热轧轧无无缝缝钢钢管管规规格格、重重量量及及市市场场价价格格表表市场吨价 单位价格(元/t)(元/m)45004.3545006.5145009.05450013.09450017.00450020.63450027.71450035.45450044.15450060.48450082.09450097.35加厚钢管C焊
11、接钢管镀锌后质量增加系数(取1.031.06)表一：管管道道满满水水重重量量计计算算表表（选选配配套套管管道道支支吊吊架架用用）管道规格管道外径(mm)管道内径(mm)管道密度(kg/m3)管道重(kg/m)保温材料厚度(mm)保温材料密度(kg/m3)保温材料重(kg/m)水重(kg/m)总重(kg/m)DN2026.821.378001.62201200.350.362.33DN2533.52778002.41201200.400.573.39DN3242.335.878003.11201200.471.014.59DN40484178003.82201200.511.325.65DN50
12、605378004.85201200.602.217.66DN7075.56878006.59201200.723.6310.94DN8088.580.578008.28201200.825.0914.19DN100114106780010.78251201.318.8220.92DN125140131780014.94251201.5613.4829.97DN150159150780017.04251201.7317.6736.44DN200219207780031.32251202.3033.6567.27DN250273259780045.63251202.8152.69101.12DN
13、300325309780062.14251203.3074.99140.43DN350377359780081.16251203.79101.22186.17DN400426408780091.97251204.25130.74226.96DN5005295097800127.18251205.22203.48335.88DN6006306107800151.93251206.17292.25450.35表二管道内径计算表公称直径外径壁厚内径mmmmmmmDN10172.2512.5DN1521.32.7515.8DN2026.82.7521.3DN2533.53.2527DN3242.33.2535.8DN40483.541DN50603.553DN7075.53.7568DN8088.5480.5DN1001144106DN1251404.5131DN1501594.5150DN2002196207DN2502737259DN3003258309DN3503779359DN4004269408DN4504789460DN50052910509DN60063010610DN70072011698DN80082011798DN90092012896