20号钢mmDN1520205080100150200250300350400450500MpaMpammmmDO（外径）许用应力P（设计压力）t(壁厚)实际内径2213073.21692315.566152713073.37076920.258463413073.586126.827694813074.01692339.966156013074.386151.2276913075.27846278.4430811413076.047692101.904616813077.709231152.581523013079.616923210.7662273130710.94251.12325130712.299.92356130713.49385329.0123406130715.03231375.93480130717.30923445.3815530130718.84769492.3046GB 8163℃温度201001502002503003504004250475许用应力130130130123110101928683614115CrMommDN1520205080100150200250300350400450500MpaMpammmmDO（外径）许用应力P（设计压力）t(壁厚)实际内径221476.33.07877615.84245271476.33.20122420.59755341476.33.37265327.269481476.33.7155140.568601476.34.00938851.981221476.34.71959279.560821141476.35.331837103.33631681476.36.62861.69142191476.37.903265203.19352731476.39.2257142.863251476.310.49918304.00163561476.311.25837333.48334061476.312.48286381.03434571476.313.73184429.53635301476.315.51959498.9608GB 9948℃温度201001502002503003504004250475500525550许用应力147132123116110101958786848358370Cr18Ni10TimmDN15MpaMpammmmDO（外径）许用应力P（设计压力）t(壁厚)实际内径22#DIV/0!#DIV/0!GB/T14976℃温度20许用应力137202050801001502002503003504004505002734486011416821927332535057508#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!1001502002503003504004250475500525550575600625650675700114103969085828079787776757458443325181320号钢14013012011010090许用应力80706050403020100025507510012515017520022525027530032535037004250475500温度T15CrMo160150140130120110许用应力1009080706050403020100050100150200250300350400450500550600温度T温度T0Cr18Ni10Ti1501401301201101009080706050403020100050100150200250300350400450500550600650700750许用应力温度T
