管道公称直径一览表(美国ASME标准)序号公称直径DN(mm)英制NPS(吋)国内外径mm国外外径mm不锈钢管道壁厚系列焊接和无缝钢管壁厚系列5S10S40S80S102030STD4060XS80100120140160XXS16181010.31.241.732.411.731.732.412.4128141513.71.652.243.022.242.243.023.023103818
(2010年)最新公称压力(MPa)管道壁厚对照表? (一)无缝碳钢管壁厚??? ????????????????????????????m m材料PNMPaDN101520253240506580100125150200250300350400450500600?2012CrMo15CrMo12Cr1MoV≤1.62.533333.53.544444.556778889?2.52.5333
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常用管道公称直径和外径对照管道公称直径管子外径ΦDN 15Φ18DN 20Φ25DN 25Φ32DN 32Φ38DN 40Φ45DN 50Φ57DN 65Φ76DN 80Φ89DN 100Φ108DN 125Φ133DN 150Φ159DN 200Φ219DN 250Φ273DN 300Φ325DN 350Φ377DN 400Φ426DN 450Φ480DN 500Φ530DN 600Φ63
常用管道公称直径和外径对照管道公称直径管子外径ΦDN 15Φ18DN 20Φ25DN 25Φ32DN 32Φ38DN 40Φ45DN 50Φ57DN 65Φ76DN 80Φ89DN 100Φ108DN 125Φ133DN 150Φ159DN 200Φ219DN 250Φ273DN 300Φ325DN 350Φ377DN 400Φ426DN 450Φ480DN 500Φ530DN 600Φ630DN
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NB尺寸外径mm标准40Smm5Smm10SmmS 10mmS 20mmS 40mmS 60mmXS80SmmS 80mmS 100mmS 120mmS 140mmS 160mmXXSmm18 14 12 12 document was truncated here because it was created in the Evaluation Mode. :
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