常用公称压力下管道壁厚选用表(一)碳钢无缝钢管壁厚 mmPNDNMPa1520253240506580100125150200250300350400450500600￠18￠20￠22￠25￠32￠38￠45￠57￠76￠89￠108￠133￠159￠219￠273￠325￠377￠426￠480￠530￠630≤≤(二)无缝不锈钢管壁厚 1Cr18Ni9Ti mmPNDNMPa1520253240506580100125150200250300350400450500600￠18￠20￠22￠25￠32￠38￠45￠57￠76￠89￠108￠133￠159￠219￠273￠325￠377￠426￠480￠530￠630≤(三)焊接碳钢管壁厚 **********.57899101112131516(四)焊接不锈
管道壁厚选择 来自淘豆网m.daumloan.com转载请标明出处.
