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API5CT石油(you)套管(guan)生(sheng)產工藝 ①熱(re)軋無縫(feng)鋼管(guan)主(zhu)要(yao)生(sheng)產工序(xu)(xu)(△主(zhu)要(yao)檢驗(yan)工序(xu)(xu)): 管(guan)坯準(zhun)備及檢查△→管(guan)坯加熱(re)→穿孔→軋管(guan)→鋼管(guan)再加熱(re)→定(減)徑→熱(re)處(chu)(chu)理△→成(cheng)品管(guan)矯直→精整→檢驗(yan)△(無損(sun)、理化、臺檢) →入庫 ②冷軋(拔)無縫(feng)鋼管(guan)主(zhu)要(yao)生(sheng)產工序(xu)(xu): 坯料準(zhun)備→酸洗(xi)潤滑→冷軋(拔)→熱(re)處(chu)(chu)理→矯直→精整
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①熱軋無(wu)縫鋼管主(zhu)要(yao)生產工序(xu)(△主(zhu)要(yao)檢驗工序(xu)):
管(guan)坯準備及檢(jian)查△→管(guan)坯加熱→穿孔→軋管(guan)→鋼管(guan)再(zai)加熱→定(ding)(減)徑→熱處理△→成品(pin)管(guan)矯直→精整→檢(jian)驗△(無損、理化、臺檢(jian)) →入庫
②冷軋(拔(ba))無縫鋼管主要(yao)生(sheng)產工序:
坯料準備→酸洗潤滑→冷軋(ya)(拔)→熱處理→矯直→精整→檢驗(yan)
一(yi)般(ban)(ban)的(de)無(wu)縫鋼(gang)(gang)管(guan)(guan)的(de)生產工(gong)藝可以分為冷(leng)拔與熱(re)軋(ya)(ya)兩種,冷(leng)軋(ya)(ya)無(wu)縫鋼(gang)(gang)管(guan)(guan)的(de)生產流程一(yi)般(ban)(ban)要(yao)(yao)(yao)比熱(re)軋(ya)(ya)要(yao)(yao)(yao)復雜(za),管(guan)(guan)坯首先要(yao)(yao)(yao)進行三輥連軋(ya)(ya),擠(ji)壓后要(yao)(yao)(yao)進行定徑測試,如果表(biao)面(mian)沒(mei)有響應(ying)裂紋后圓管(guan)(guan)要(yao)(yao)(yao)經過(guo)割(ge)機進行切(qie)割(ge),切(qie)割(ge)成(cheng)長度約(yue)一(yi)米的(de)坯料。然后進入退火(huo)(huo)流程,退火(huo)(huo)要(yao)(yao)(yao)用(yong)酸性液體進行酸洗,酸洗時要(yao)(yao)(yao)注意表(biao)面(mian)是否有大量的(de)起泡產生,如果有大量的(de)起泡產生說明鋼(gang)(gang)管(guan)(guan)的(de)質(zhi)量達不到相應(ying)的(de)標(biao)準。外觀上冷(leng)軋(ya)(ya)無(wu)縫鋼(gang)(gang)管(guan)(guan)要(yao)(yao)(yao)短(duan)于熱(re)軋(ya)(ya)無(wu)縫鋼(gang)(gang)管(guan)(guan),冷(leng)軋(ya)(ya)無(wu)縫鋼(gang)(gang)管(guan)(guan)的(de)壁厚一(yi)般(ban)(ban)比熱(re)軋(ya)(ya)無(wu)縫鋼(gang)(gang)管(guan)(guan)要(yao)(yao)(yao)小(xiao),但是表(biao)面(mian)看起來比厚壁無(wu)縫鋼(gang)(gang)管(guan)(guan)更加(jia)明亮,表(biao)面(mian)沒(mei)有太多的(de)粗糙,口徑也沒(mei)有太多的(de)毛刺。
熱(re)軋無縫鋼管的交貨(huo)狀態一般(ban)是(shi)熱(re)軋狀態經(jing)過(guo)(guo)熱(re)處理(li)后(hou)(hou)進(jin)(jin)(jin)行(xing)(xing)(xing)交貨(huo)。熱(re)軋無縫鋼管在經(jing)過(guo)(guo)質檢(jian)后(hou)(hou)要經(jing)過(guo)(guo)工作人員(yuan)的嚴(yan)格的手(shou)工挑選,在質檢(jian)后(hou)(hou)要進(jin)(jin)(jin)行(xing)(xing)(xing)表面涂油,然后(hou)(hou)緊接著是(shi)多次的冷拔實驗,熱(re)軋處理(li)后(hou)(hou)要進(jin)(jin)(jin)行(xing)(xing)(xing)穿(chuan)孔(kong)的實驗,如果穿(chuan)孔(kong)擴徑(jing)過(guo)(guo)大就要進(jin)(jin)(jin)行(xing)(xing)(xing)矯直(zhi)矯正。在矯直(zhi)后(hou)(hou)再由傳(chuan)送裝置傳(chuan)送到探(tan)傷(shang)機進(jin)(jin)(jin)行(xing)(xing)(xing)探(tan)傷(shang)實驗,最后(hou)(hou)貼上(shang)標簽、進(jin)(jin)(jin)行(xing)(xing)(xing)規格編(bian)排后(hou)(hou)放置到到倉(cang)庫當中