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)金屬管(guan)(guan)道(dao)工(gong)(gong)程施工(gong)(gong)規(gui)范》配套使用GB50184《工(gong)(gong)業(ye)(ye)金屬管(guan)(guan)道(dao)工(gong)(gong)程施工(gong)(gong)質量(liang)驗收規(gui)》和GB50236《現場設備、工(gong)(gong)業(ye)(ye)管(guan)(guan)道(dao)焊接工(gong)(gong)程施工(gong)(gong)規(gui)范》。工(gong)(gong)業(ye)(ye)金屬壓力管(guan)(guan)道(dao)應(ying)按TSGD001《壓力管(guan)(guan)道(dao)安全技術監(jian)察(cha)規(gui)程-工(gong)(gong)業(ye)(ye)管(guan)(guan)道(dao)》的規(gui)定劃分為(wei)GC1、G...