我國早期的管道建設主要采用的是不銹(xiu)鋼無(wu)縫(feng)管，但口徑受到了限制。隨著焊管生產技術的發展和焊管質量的提高以及不銹鋼(gang)焊管的直徑可以做得更大，焊管很快就替代了不銹鋼無縫管，成為管道建設的主角。隨著管道建設向大型化、高輸送量發展，中大口徑的管道基本采用了焊管，90年代以來，我國油氣管道的主干線全部被焊管所壟斷，不銹鋼無縫管主要用于支線管、集輸管線、海底管線和城市的管網。

  70-80年代成都無(wu)(wu)縫、包鋼等(deng)(deng)企業按《一般無(wu)(wu)縫鋼管(guan)》（YB 231-1970）和后來的《輸(shu)送流體(ti)用(yong)無(wu)(wu)縫鋼管(guan)》（GB／T 8163-1987）標準，生產流體(ti)輸(shu)送用(yong)管(guan)，主要(yao)牌號：A3（A3F）、10、20、16Mn、Q235、Q295、Q345等(deng)(deng)，主要(yao)管(guan)徑：Φ159mm、ф219mm、φ273mm、Φ325mm、φ426mm、最大管(guan)徑為Φ630mm。

  從(cong)(cong)80年代開(kai)始(shi)(shi)，我國開(kai)展了(le)按API標準(zhun)開(kai)發(fa)研(yan)(yan)制(zhi)專用不(bu)(bu)銹(xiu)鋼(gang)無(wu)縫管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)，為(wei)(wei)了(le)適應(ying)這(zhe)一(yi)發(fa)展的需要，成都無(wu)縫廠(chang)從(cong)(cong)80年代末開(kai)始(shi)(shi)了(le)按照API5L標準(zhun)，開(kai)發(fa)研(yan)(yan)制(zhi)生(sheng)產(chan)A、B、X42～X52鋼(gang)級(ji)(ji)(ji)管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)。于1991年獲得了(le)API 5L會(hui)標許可證，并于當(dang)年向泰(tai)國出(chu)(chu)口(kou)管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)；1992年向臺灣地區出(chu)(chu)口(kou)Φ245mm的管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)。90年代中后(hou)期又(you)研(yan)(yan)制(zhi)出(chu)(chu)了(le)X56、X60、X65鋼(gang)級(ji)(ji)(ji)管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)，并為(wei)(wei)勝利油田(tian)批量供應(ying)X56級(ji)(ji)(ji)管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)；向伊拉克出(chu)(chu)口(kou)幾萬噸X60級(ji)(ji)(ji)管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)。天津鋼(gang)管(guan)(guan)(guan)公(gong)司250連(lian)軋管(guan)(guan)(guan)機組投(tou)產(chan)后(hou)不(bu)(bu)久就(jiu)開(kai)始(shi)(shi)了(le)管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)研(yan)(yan)制(zhi)，1997年為(wei)(wei)渤海(hai)油田(tian)開(kai)發(fa)研(yan)(yan)制(zhi)出(chu)(chu)X56級(ji)(ji)(ji)φ219.1×12.7mm海(hai)底管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)；1998年為(wei)(wei)勝利油田(tian)開(kai)發(fa)生(sheng)產(chan)X56鋼(gang)級(ji)(ji)(ji)ф114.3mm×10mm、ф273.1mm×12.7mm海(hai)底管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)；1999-2000年為(wei)(wei)沙特阿美(mei)公(gong)司開(kai)發(fa)生(sheng)產(chan)出(chu)(chu)了(le)4萬噸X60鋼(gang)級(ji)(ji)(ji)ф168.3mmx12.7mm、φ219.1mmx12.7mm、φ273.1mmx12.7mm等多個規格的海(hai)底管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)；2000年后(hou)又(you)開(kai)發(fa)出(chu)(chu)X65Q、X70Q、X80Q級(ji)(ji)(ji)高強(qiang)度管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)，適合海(hai)洋環境和抗腐蝕環境的X60QS、X65QS鋼(gang)級(ji)(ji)(ji)管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)，適合低溫(wen)環境的X60L、X65L管(guan)(guan)(guan)線(xian)(xian)(xian)管(guan)(guan)(guan)。

  2005年(nian)(nian)以后隨(sui)著國(guo)內幾(ji)條中(zhong)大(da)口(kou)徑的(de)連(lian)軋(ya)管(guan)(guan)(guan)(guan)(guan)(guan)機(ji)(ji)組(zu)的(de)建立(li)，如衡(heng)陽(yang)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、攀成鋼(gang)(gang)(gang)(gang)的(de)Φ340mm機(ji)(ji)組(zu)，天津(jin)(jin)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、寶(bao)鋼(gang)(gang)(gang)(gang)、包鋼(gang)(gang)(gang)(gang)的(de)ф460mm機(ji)(ji)組(zu)，天淮(huai)的(de)φ508mm機(ji)(ji)組(zu)，以及天津(jin)(jin)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)Φ720mm斜軋(ya)擴管(guan)(guan)(guan)(guan)(guan)(guan)機(ji)(ji)組(zu)，衡(heng)陽(yang)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)φ720mm周(zhou)期式軋(ya)管(guan)(guan)(guan)(guan)(guan)(guan)機(ji)(ji)組(zu)，使(shi)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)直徑擴大(da)到(dao)(dao)Φ711mm，其中(zhong)包括(kuo)ф323.9mm、ф406mm、Φ457mm、φ508mm、φ610mm等。2007年(nian)(nian)塔里木油(you)田(tian)迪那氣田(tian)，使(shi)用了(le)(le)天津(jin)(jin)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)生產的(de)當時(shi)最大(da)口(kou)徑的(de)ф457mmx17.5mm、X60Q鋼(gang)(gang)(gang)(gang)級(ji)(ji)不(bu)銹鋼(gang)(gang)(gang)(gang)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)，2008年(nian)(nian)中(zhong)海油(you)潿(wei)洲項目使(shi)用了(le)(le)適合(he)(he)海洋環境和(he)抗腐蝕環境X60QS及X65QS鋼(gang)(gang)(gang)(gang)級(ji)(ji)Φ406.4mm的(de)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)產品。另(ling)外，天津(jin)(jin)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)公司2010年(nian)(nian)在國(guo)內首(shou)次開(kai)發了(le)(le)適合(he)(he)深水作業的(de)盤管(guan)(guan)(guan)(guan)(guan)(guan)用無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)，且(qie)產品成功出(chu)口(kou)到(dao)(dao)歐(ou)洲。無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)開(kai)發極大(da)地滿(man)足國(guo)內陸地、海洋油(you)氣田(tian)的(de)開(kai)發和(he)建設，并大(da)量出(chu)口(kou)到(dao)(dao)中(zhong)東(dong)、東(dong)南亞、非(fei)洲、美(mei)洲、歐(ou)洲等地。近10年(nian)(nian)來，我國(guo)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)生產企業天津(jin)(jin)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、衡(heng)陽(yang)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、寶(bao)鋼(gang)(gang)(gang)(gang)、攀成鋼(gang)(gang)(gang)(gang)、包鋼(gang)(gang)(gang)(gang)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)等，每年(nian)(nian)都(dou)生產大(da)量的(de)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)出(chu)口(kou)到(dao)(dao)國(guo)外，出(chu)口(kou)量在150～227萬噸之間(jian)，占不(bu)銹鋼(gang)(gang)(gang)(gang)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)出(chu)口(kou)量的(de)42％～49.5％，鋼(gang)(gang)(gang)(gang)級(ji)(ji)從B級(ji)(ji)到(dao)(dao)X級(ji)(ji)（X42-X70及少量的(de)X80），品種包括(kuo)海底(di)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)、抗硫管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)等，見圖(tu)8-7和(he)圖(tu)8-8。