公称外径de,mm平均外径S5S4S3.2S2.5S2de,min,mmde,max,mm公称壁厚en,mm1212.012.3———2.02.41616.016.3—2.02.22.73.32020.020.32.02.32.83.44.12525.025.32.32.83.54.25.13232.032.32.93.64.45.46.54040.040.43.74.55.56.78.15050.050.54.65.66.98.310.16363.063.65.87.18.610.512.77575.075.76.88.410.312.515.19090.090.98.210.112.315.018.1110110.0111.010.012.315.118.322.1125125.0126.211.414.017.720.825.1140140.0141.312.715.719.223.328.1160160.0161.514.617.921.926.632.1
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