GB 50235《工業金屬管道工程施工規范》的管道分級(類)
GB50235《工(gong)(gong)業(ye)(ye)(ye)金(jin)(jin)(jin)屬(shu)管(guan)道(dao)工(gong)(gong)程(cheng)施工(gong)(gong)規范(fan)》配套使用GB50184《工(gong)(gong)業(ye)(ye)(ye)金(jin)(jin)(jin)屬(shu)管(guan)道(dao)工(gong)(gong)程(cheng)施工(gong)(gong)質量驗收規》和GB50236《現場(chang)設備、工(gong)(gong)業(ye)(ye)(ye)管(guan)道(dao)焊(han)接工(gong)(gong)程(cheng)施工(gong)(gong)規范(fan)》。工(gong)(gong)業(ye)(ye)(ye)金(jin)(jin)(jin)屬(shu)壓力管(guan)道(dao)應(ying)按TSGD001《壓力管(guan)道(dao)安全技術監察規程(cheng)-工(gong)(gong)業(ye)(ye)(ye)管(guan)道(dao)》的規定劃(hua)分為(wei)GC1、G...