镀锌钢管及衬塑钢管
标准
excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载
及最小壁厚公称内径镀锌管标准壁厚（mm）允许负偏差最小壁厚（mm）衬塑层厚度（mm）衬塑层允许负偏差（mm）衬塑层最小厚度（mm）衬塑钢管标准壁厚（mm）衬塑钢管最小壁厚（mm）实测厚度（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%3.151.50-0.201.305.004.45DN503.80-10%3.421.50-0.201.305.304.72DN654.00-10%3.601.50-0.201.305.504.90DB804.00-10%3.602.00-0.201.806.005.40DN1004.00-10%3.602.00-0.201.806.005.40DN1254.50-10%4.052.00-0.201.806.505.85DN1504.50-10%4.052.50-0.202.307.006.35参照标准：《低压流体输送焊接钢管》GB/T3091-2008《给水衬塑复合钢管》CJ/T136-2007W型直管规格、尺寸、重量公称内径DE（mm）壁厚T（mm）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型管件壁厚和端部尺寸公称直径/DN各部尺寸/mm壁厚TDED4L1L2A级B级504.556163629754.55868962910055.511111462912555.5137138.583815056162164.583820066214217.585125077268271851参照标准：《排水用柔性接口度铁管、管件及附件》GB/T12772-2008管材管系列和规格尺寸壁厚的偏差公称外径dn平均外径管系列公称壁厚en允许偏差dem,mindem,maxS5S4S3.2S2.5S11.0＜en≤2.0+0.3~0公称壁厚en1.0＜en≤2.11212.012.32.02.41.0＜en≤2.21616.016.32.02.22.73.31.0＜en≤2.32020.020.32.02.32.83.44.11.0＜en≤2.42525.025.32.32.83.54.25.11.0＜en≤2.53232.032.32.93.64.45.46.51.0＜en≤2.64040.040.43.74.55.56.78.11.0＜en≤2.75050.050.54.65.66.98.310.16363.063.65.87.18.610.512.77575.075.76.88.410.312.515.19090.090.98.210.112.315.018.1110110.0111.010.012.315.118.322.1125125.0126.211.414.017.120.825.1140140.0141.312.715.719.223.328.1160160.0161.514.617.921.926.632.1
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