Mena kei te hiahia koe ki te mōhio atu ki ētahi atu kōrero, pēnei i te whakatau utu, ngā hua, ngā otinga, me ētahi atu, prīhiwhakapā mai ki a mātou i runga ipurangi.
He toa hokohoko a Tianjin Sanon Steel Pipe Co., Ltd. Kei te Tāone o Cangzhou, Porowini o Hebei tō mātou wheketere. Ko ā mātou puna matua o ngā taonga kongā paipa kōhua, ā, ko ngā rauemi e whakaatu ana i tēnei koASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810#/20#. Ko ngā rauemi matua mō ngā paipa paipa koAPI 5L,API 5CT, ngā rauemi matua mō ngā paipa pakaru hinuGB/T 9948he 15MoG/12CrMoVGKo te GB/T 6479-2013 e tohu ana i ngā rauemi 10#/20#, ngā ngongo whakawhiti wera SA179/SA210/SA192, me ētahi atu. Ko ngā ngongo miihini GB/T 8162 e tohu ana i ngā rauemi 10#/20#/Q345/42CrMo, ko te EN10210 e tohu ana i ngā rauemi S355JOH/S355J2H, ko ngā ngongo rango hau GB1 8248 e tohu ana i ngā rauemi 34CrMo4/30CrMo.
API 5L GR.BHe rauemi paipa whānuitia te paipa maitai tui kore i roto i te umanga hinu me te hau, e rite ana ki teAPI 5Lpaerewa o te American Petroleum Institute. Ko ngā taumata rauemi noa i raro i tēnei paerewa ko te taumata PSL1GR.A, GR.B, GR.X42 ki GR.X52, me te taumata PSL2 GR.X56 ki GR.X80. Ko ngā tau e tohu ana i te kaha tuku iti rawa, e inehia ana i roto i te ksi. Ko te GR.B he maitai waro-konupora kaha-waenga me ngā āhuatanga miihini me te kaha whakarewa tino pai.
Ko te hanganga matū noa o GR.B ko te ihirangi waro kāore e neke ake i te 0.28%, te ihirangi konupora kāore e neke ake i te 1.20%, me te whakahaere pakari i ngā poke pērā i te whākawa me te whanariki. Ko tōna kaha kume kāore e iti iho i te 414 MPa, ko tōna kaha whakaputa kāore e iti iho i te 241 MPa, ā, ko tōna roa kāore e iti iho i te 21%. Ka taea e ia te whakatutuki i ngā whakaritenga o te kawe pēhanga reo me te pēhanga teitei. Mā te tukanga whakaputa o ngā paipa maitai kore hononga ka nui ake te kaha ki te kawe pēhanga me te ōrite, e tika ana mō ngā taiao pēhanga teitei. Hei tāpiri, ka taea e te rauemi GR.B te urutau ki ngā taiao pāmahana iti mā roto i ngā whakamātautau pānga tāpiri me te whakarei ake i te ātete waikura mā roto i ngā paninga ārai-waikura.
Ko ngā paipa maitai kore hononga API 5L GR.B e whakamahia ana mō te kawe hinu me te hau, tae atu ki ngā paipa whenua me te moana, ngā taputapu puna wai, me ngā paipa keri. Hei tāpiri, e whakamahia ana hoki i roto i te umanga matū mō te kawe i ngā mea waikura, i roto i te pūngao me te hiko mō ngā paipa poiha pēhanga teitei, i roto i ngā whatunga tuku hau me te wai o te tāone, tae atu ki ngā mara hou pēnei i te pūngao hauwai me te hopu waro. Ki te whakatauritea ki te maitai waro noa, he kaha ake te GR.B me te ātete ki te pēhanga, ā, ki te whakatauritea ki te maitai kore waikura, he iti ake te utu, ā, he pai mō ngā kaupapa paipa nui.
I te wā e whiriwhiri ana i ngā paipa maitai API 5L GR.B, me whai whakaaro ki ngā āhuatanga pēnei i te hototahitanga waenga, te pāmahana mahi me ngā whakaritenga ārai-waikura. Mō ngā taiao motuhake pēnei i ngā āhuatanga waikawa, pāmahana iti rānei, me whakamahi i ngā rauemi PSL2 kounga teitei ake, i ngā whakamātautau tāpiri rānei. Nā tōna mahi taurite me te whānuitanga o ngā tono, kua waiho tēnei rauemi hei whiringa pai mō te kawe paipa pēhanga teitei tawhiti.
Wā tuku: Akuhata-07-2025
