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20号钢mmMpaMpamm℃DN DO（外径） 许用应力 P（设计压力）t(壁厚)温度152213012.636703297202027#DIV/0!1002534#DIV/0!1504048#DIV/0!2005060#DIV/0!2508089#DIV/0!300100114#DIV/0!35015016813013.278461538400200219#DIV/0!425250273#DIV/0!450300325#DIV/0!47535035613014.104835165400406#DIV/0!450457#DIV/0!500508#DIV/0!mmMpaMpamm℃DN DO（外径） 许用应力 P（设计压力）t(壁厚)温度1522#DIV/0!202027#DIV/0!1002534#DIV/0!1504048#DIV/0!2005060#DIV/0!2508089#DIV/0!300100114#DIV/0!350150168#DIV/0!400200219#DIV/0!425250273#DIV/0!450300325#DIV/0!475350356#DIV/0!500400406#DIV/0!525450457#DIV/0!550500508#DIV/0!0Cr18Ni10TimmMpaMpamm℃DN DO（外径） 许用应力 P（设计压力）t(壁厚)温度1522#DIV/0!20GB 816GB 99415CrMoGB/T1492027#DIV/0!1002534#DIV/0!1504048#DIV/0!2005060#DIV/0!2508089#DIV/0!300100114#DIV/0!35015016813713.240729927400200219#DIV/0!425250273#DIV/0!450300325#DIV/0!47535035613714.024880083500400406#DIV/0!525450457#DIV/0!550500508#DIV/0!575600625650675700许用应力1301301301231101019286836141许用应力1471321231161101019589878684835837许用应力137B 8163B 9948/T149760102030405060708090100110120130140025 50 75100125150175200225250275300325350375400425450475500许用应力温度 T20号钢0102030405060708090100110120130140150160050100 150 200 250 300 350 400 450 500 550 600许用应力温度 T15CrMo1141039690858280797877767574584433251813温度T0102030405060708090100110120130140150050 100150200250300350400450500550600650700许用应力温度T0Cr18Ni10Ti500700750