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1、.无缝钢管常用规格表(YB231-70)公称外径壁厚重量壁厚重量壁厚重量壁厚重量壁厚重量直径(mm)(mm)(kg/m)(mm)(kg/m)(mm)(kg/m)(mm)(kg/m)(mm)(kg/m)(mm)101420.5922.50.70930.814170.740.8941.0415182.50.95631.113.51.2541.38221.201.411.601.7820252.51.3931.633.51.8642.07271.511.782.032.2725322.51.8232.153.52.4642.7653.33341.942.292.632.963.58323832.69
2、3.52.9843.354.53.765.54.41422.893.323.754.164.95404533.113.53.5844.0454.9365.77483.333.844.345.306.21505734.003.54.6245.235.56.9978.63604.224.885.527.399.1565763.56.2647.104.57.93711.91813.8480893.57.3848.38510.36714.161019.48100108410.264.511.41615.09921.971228.4111410.3512.1515.9823.3030.18125133412.734.514.26515.78721.751030.3314015.0416.6522.9632.061501594.517.15518.97726.24829.791036.7416820.1027.7931.5738.96200219631.54841.631051.541261.621575.46250273745.92953.591277.241595.4318113.19300325862.541185.1814107.3717129.1221157.43350377989.6912108.0115133.9020176.0724208.92.