20号钢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!15040481100.42.6397402620050601100.42.66467532525080891100.42.7249350653001001141100.42.7768831173501501681100.42.8890909094002002191100.42.9950649354252502731100.43.107272727450300325#DIV/0!475350356#DIV/0!400406#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!0Cr18Ni10TiGB 816GB 99415CrMoGB/T149非常好用的Excel表,计算各种管道壁厚很方便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!575600625650675700许用应力1301301301231101019286836141许用应力1471321231161101019589878684835837B 8163B 9948/T14976方便0102030405060708090100110120130140025 50 75100125150175200225250275300325350375400425450475500许用应力温度 T20号钢2030405060708090100110120130140150160许用应力15CrMo许用应力137114103969085828079787776757458443325181301020050100 150 200 250 300 350 400 450 500 550 600温度 T0102030405060708090100110120130140150050 100150200250300350400450500550600650700许用应力温度 T0Cr18Ni10Ti500700750