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)(jin)屬(shu)管道(dao)工(gong)(gong)(gong)程施工(gong)(gong)(gong)規(gui)(gui)范(fan)》配套使用GB50184《工(gong)(gong)(gong)業(ye)(ye)金(jin)(jin)屬(shu)管道(dao)工(gong)(gong)(gong)程施工(gong)(gong)(gong)質量驗收(shou)規(gui)(gui)》和GB50236《現(xian)場設備、工(gong)(gong)(gong)業(ye)(ye)管道(dao)焊接工(gong)(gong)(gong)程施工(gong)(gong)(gong)規(gui)(gui)范(fan)》。工(gong)(gong)(gong)業(ye)(ye)金(jin)(jin)屬(shu)壓力管道(dao)應(ying)按TSGD001《壓力管道(dao)安全技術監察(cha)規(gui)(gui)程-工(gong)(gong)(gong)業(ye)(ye)管道(dao)》的規(gui)(gui)定劃分為GC1、G...