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2205不銹鋼(gang)無縫管的制造工藝

 冷(leng)(leng)拔(ba)(軋(ya))無縫鋼(gang)管(guan)(guan):圓(yuan)管(guan)(guan)坯→加(jia)熱→穿孔→打頭→退火→酸洗(xi)→涂(tu)油(you)(鍍(du)銅)→多道次(ci)冷(leng)(leng)拔(ba)(冷(leng)(leng)軋(ya))→坯管(guan)(guan)→熱處(chu)理→矯直→水(shui)壓試驗(yan)(探傷)→標記(ji)→入庫。


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