美標(biāo)鋼管公稱尺寸

鋼管外徑D和壁厚T的選擇允許偏差外徑D和壁厚T的選擇允許偏差加工方法外徑允許偏差壁厚T的允許偏差允許偏差等級允許偏差允許偏差等級允許偏差熱加工D2±1%或土0.5mm取其大者T2±12.5%或±0.4mm取其大者冷加工aD3±0.75%或±0.3mm取其大者T3±7.5%或±0.15mm取其大者a.只有在規(guī)定冷加工條件下才適用船用管GB/T5312-1999-無縫管產(chǎn)品標(biāo)準(zhǔn)尺寸公差外徑(D)<159>159外徑允許偏差±1.0%（最小為±0.5mm）±1.25%壁厚(S)<20S>20D>351壁厚允許偏差+15%,-10%（最小為+0.45mm,-0.30mm）±10%±15%鋼管圓度(同一圓截面上最大外徑與最小外徑之差對最大外徑之比)的允許值見表1。(DO為外徑，S為壁厚)表1DJS圓度<7-5%<6-0%<3-0%美標(biāo)公稱鋼管尺寸StainlessSteelPipeSeries（ANSIB36.10:36.19）NPS標(biāo)號0D(mm)公稱外徑5S510S102030STD40S4060XS80S80100120140160XXS1.21.21.41.71.71.72.42.42.41/810.3WT445333111Kg/0.20.20.30.30.30.30.40.40.4m8827777771.61.61.82.22.22.23.03.03.01/413.7WT555444222Kg/m0.490.490.540.630.630.630.80.80.81.61.61.82.32.32.317.1WT5551113.23.23.2Kg/0.60.60.70.80.80.81.11.11.1m334441.61.62.12.12.42.72.72.73.73.73.74.77.421.3WT5511177733387Kg/0.80.8111.11.21.21.21.61.61.61.92.5m2777222551.61.62.12.12.42.82.82.83.93.93.95.57.826.7WT5511177711162Kg/1.01.01.21.21.41.61.61.62.22.22.22.93.6m2288499941.61.62.72.73.33.33.34.54.54.56.39.033.4WT55772.988855559Kg/1.21.22.02.02.12.52.52.53.23.23.24.25.4m99998444451.61.62.72.72.93.53.53.54.84.84.86.342.2WT5577766655559.7Kg/1.61.62.62.62.83.33.33.34.44.44.45.67.7m55997999777171.61.62.72.73.13.63.63.65.05.05.07.110.48.3WT5577888888842Kg/3.13.13.54.04.04.05.45.45.47.29.51.91.9m114555111551.61.62.72.73.13.93.93.95.55.55.58.711.60.3WT5577811144441Kg/2.32.33.93.94.45.45.45.47.47.47.411.13.m99338444888142.12.13.03.04.75.15.15.17.07.07.09.573WT11558666111314Kg/3.63.65.25.28.08.68.68.611.11.11.14.20.m99664333444942.12.13.03.04.75.45.45.47.67.67.611.15.88.9WT1155899922212Kg/4.54.56.46.49.911.11.11.15.15.15.21.27.m22662333333472.12.13.03.04.75.75.75.78.08.08.0102WT11558444888Kg/5.15.17.47.411413.13.13.18.18.18.m88116666663/81/23/4111/411/2221/2331/2.12.13.03.04.76.06.06.08.58.58.511.13.17.4114WT11558222666151Kg/5.85.88.38.312.16.16.16.22.22.22.28.33.41m44779111333352.72.76.56.56.59.59.59.512.15.19.5141WT773.43.4555333791Kg/9.49.411.11.21.21.21.31313140.49.57.m66668883142.72.77.17.17.114.18.6168WT773.43.41111111113322Kg/11.11.13.13.28.28.28.42.42.42.54.67.79.m33883336662622.72.73.73.76.37.08.18.18.110.12.12.12.15.18.20.22.8219WT7766548883777136232Kg/14.14.202033.36.42.42.42.53.64.64.64.75.90.101111108m88386661666944.14.16.39.29.29.212.12.12.15.18.21.25.28.25.10273WT3.43.49957.8777777134464Kg/22.22.27.27.41.5160.60.60.81.81.81.96115133155172155m668883335553.93.94.54.56.38.39.59.510.14.12.12.17.21.25.28.33.25.12324WT667758333377544634Kg/31.31.363649.65.73.73.79.10997.972272997553.93.94.76.37.99.59.511.15.12.19.23.27.31.35.14356WT668523311718887Kg/34.34.41.54.67.81.81.94.127107158195225254282m334793364.14.14.76.37.99.59.512.16.12.21.26.36.40.16406WT9985233777423155Kg/41.41.47.62.77.93.93.123160123204246287333365m66368334.14.14.76.37.911.9.514.19.12.23.29.34.39.45.18457WT998521331784972Kg/46.46.53.70.87.122105156206139255310364408459m883674.74.75.56.39.512.9.515.20.12.26.32.38.44.20508WT8845373167251550Kg/59.59.68.78.117155117193248155311382441508565m33664.74.75.56.39.512.9.522.12.28.34.41.47.22559WT884537327693654

Kg/m65.365.375.686.51291711292941713744515276016725.55.56.36.39.514.9.517.24.12.38.52.59.610WT44553335673194645Kg/82.82.94.94.141210141255355187442548640720808m66557.912.9.512.660WT2737Kg/127203153203m7.912.15.9.512.711WT27937Kg/137219272165219m6.36.37.97.912.15.9.512.762WT55227937Kg/118118147147235292177235m7.912.15.9.517.12.813WT279357Kg/157251312189343251m7.912.15.9.517.12.864WT279357Kg/167267332201365267m7.912.15.9.519.12.914WT279317Kg/177282352213420282m24262830323436各國塑膠管外徑與國際鋼管襯塑管外徑對照表公稱直徑(m/m)英寸各國給水及化工用UPVC塑膠管的尺寸HG20553-93國際20#鋼管HG20520-92國際HRP/PVC管#鋼管臺灣(CNS)管外徑*壁厚日本(JIS)管外徑*壁厚國際(DIN)管外徑*壁厚美國ANSI、英國BS、SCH4C管外徑*壁厚A系列SCH40管外徑*壁厚B系列SCH80管外徑*壁厚整體管外徑PVC管外徑PVC管壁厚103/8〃18X2.218X2.516X-17.4X-17.2X2.317.0X3.2151/2〃22X2.722X3.020X3.021.33X3.9821.3X2.922X3.6203/4〃26X2.726X3.025X3.0263.67X4.1626.9X2.927X4.0251〃34X3.232X3.532X3.633.40X4.8233.7X3.234X4.537X32X3.6

321+1/4"42X3.238X3.540X3.642.16X5.1542.4X3.642X5.045X40X3.6401+1/2"48X3.648X4.050X4.048.26X5.3848.3X3.648X5.055X50X3.6502"60X4.360X4.563X4.760.32X5.8660.3X4.060X5.668X63X3.6652+1/2"76X4.176X4.575X5.573.02X7.4476.1X5.076.1X7.180X75X3.6803"89X5.189X5.990X6.688.90X8.0788.9X5.689X8.095X90X4.01004"114X6.6114X7.1110X8.1114.30X9.06114.3X5.9114X8.8115X110X4.01255"140X7.5140X7.5140X6.7141.3X-139.7X6.3140X10.0130X126X4.01506"165X8.5165X9.6160X7.7168.27X11.63168.3X7.1168X11.0165X160X4.02008"216X10.5216X11.0225X9.6219.07X13.46219.1X8.0219X12.5205X200X4.025010"267X13.0267X13.6250X11.9273.0X8.8273X16.0255X250X4.030012"318X15.5318X16.2315X15.0323.9X10.0(-)X17.5305.5X300X4.035014"370