GB3091、3092-82
公称直径（毫米）（英寸）DN6DN8DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN1501/8\"1/4\"3/8\"1/2\"3/4\"1\"1-1/4\"1-1/2\"2\"2-1/2\"3\"4\"5\"6\"外径普通钢管理论重量(kg/m)0.390.620.821.261.632.423.133.844.886.648.3410.8515.0417.81加厚钢管壁厚(mm)2.52.752.753.253.5444.254.54.54.7555.55.5理论重量(kg/m)0.460.730.971.452.012.913.784.586.167.889.8113.4418.2421.63公称尺寸壁厚(mm)（mm）10.013.517.021.326.833.542.348.060.075.588.5114.0140.0165.02.002.252.252.752.753.253.253.503.503.754.004.004.504.50
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