公称压力PN, Mpa2.546.410壁 厚壁 厚壁 厚壁 厚公称 外径碳素钢管不锈钢管碳素钢管不锈钢管碳素钢管不锈钢管碳素钢管不锈钢管直径1015202532405065801415203238455776892.53333.53.5444444.5567788922.52.52.52.52.53333.53.544.556672.533333.53.5444.555.57891011121322.52.52.52.52.5333.544.556789103333.53.53.544.5567891112141617192.52.52.53333.644.556781011131433.53.544.54.5567891013100108125133150159200219250273300325350377400426450480500630
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