GB 50235《工業金屬管道工程施工規范》的管道分級(類)
GB50235《工(gong)(gong)(gong)業(ye)(ye)金(jin)屬管(guan)(guan)道工(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)規(gui)范》配套使用GB50184《工(gong)(gong)(gong)業(ye)(ye)金(jin)屬管(guan)(guan)道工(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)質量(liang)驗收規(gui)》和(he)GB50236《現(xian)場設備、工(gong)(gong)(gong)業(ye)(ye)管(guan)(guan)道焊接工(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)規(gui)范》。工(gong)(gong)(gong)業(ye)(ye)金(jin)屬壓力管(guan)(guan)道應按TSGD001《壓力管(guan)(guan)道安(an)全技術監察規(gui)程(cheng)-工(gong)(gong)(gong)業(ye)(ye)管(guan)(guan)道》的規(gui)定劃分為(wei)GC1、G...