1、鍍鋅鋼管及襯塑鋼管標準及最小壁厚公稱內(nèi)徑鍍鋅管標準壁厚（mm）允許負偏差 最小壁厚（mm）襯塑層厚度（mm）襯塑層允許負偏差（mm）襯塑層最小厚度（mm）襯塑鋼管標準壁厚（mm）襯塑鋼管最小壁厚（mm）實測厚度（mm）DN152.80-10%2.521.50-0.201.304.303.82DN202.80-10%2.521.50-0.201.304.303.82DN253.20-10%2.881.50-0.201.304.704.18DN323.50-10%3.151.50-0.201.305.004.45DN403.50-10%3.151.50-0.201.305.004.45DN503.

2、80-10%3.421.50-0.201.305.304.72DN654.00-10%3.601.50-0.201.305.504.90DB804.00-10%3.602.00-0.201.806.005.40DN100 4.00-10%3.602.00-0.201.806.005.40DN125 4.50-10%4.052.00-0.201.806.505.85DN150 4.50-10%4.052.50-0.202.307.006.35參照標準：低壓流體輸送焊接鋼管GB/T3091-2008 給水襯塑復合鋼管CJ/T136-2007W型直管規(guī)格、尺寸、重量公稱內(nèi)徑 DE（mm）壁厚 T（m

3、m）重量/KGL=1500mmL=3000mm50614.38.316.575864.412.224.41001114.817.334.61251374.821.443.11501624.825.451.22002145.84181.92502686.456.8113.6W W型型管管件件壁壁厚厚和和端端部部尺尺寸寸公稱直徑/DN各部尺寸/ mm壁厚 TDED4L1L2A級B級504.556163629754.55868962910055.511111462912555.5137138.583815056162164.583820066214217.585125077268271851參照標準

4、：排水用柔性接口度鐵管、管件及附件GB/T 12772-2008管材管系列和規(guī)格尺寸公稱外徑dn平均外徑管系列dem,mindem,maxS5S4S3.2S2.5S1公稱壁厚en1212.012.32.02.41616.016.32.02.22.73.32020.020.32.02.32.83.44.12525.025.32.32.83.54.25.13232.032.32.93.64.45.46.54040.040.43.74.55.56.78.15050.050.54.65.66.98.310.16363.063.65.87.18.610.512.77575.075.76.88.410.312.515.19090.090.98.210.112.315.018.1110110.0111.010.012.315.118.322.1125125.0126.211.414.017.120.825.1140140.0141.312.715.719.223.328.1160160.0161.514.617.921.926.632.1壁厚的偏差公稱壁厚en允