用(yong)于制造各種結構低(di)中(zhong)壓鍋爐(lu)過(guo)熱蒸汽管(guan)(guan)(guan)、沸(fei)水管(guan)(guan)(guan)及機車鍋爐(lu)用(yong)過(guo)熱蒸汽管(guan)(guan)(guan)、大煙管(guan)(guan)(guan)、小煙管(guan)(guan)(guan)和拱磚管(guan)(guan)(guan)用(yong)的(de)優質(zhi)碳素結構鋼熱軋(ya)(ya)和冷拔(軋(ya)(ya))無(wu)縫管(guan)(guan)(guan)。