Uma ufuna ukwazi ulwazi olwengeziwe, njengekhotheshini, imikhiqizo, izixazululo, njll., pqashaxhumana nathi ku-inthanethi.
Disemba 2025 - Intuthuko Ebalulekile Yemboni kanye Nokubuyekezwa Kwenqubomgomo
Njengoba u-2025 uphela, imakethe yomhlaba wonke yamapayipi ensimbi angenamthungo ibhekene nesikhathi esibalulekile sokushintsha ngezinqubomgomo ezintsha zelayisensi yokuthumela kwamanye amazwe ezilindelwe yiziphathimandla zaseShayina. Abahlaziyi bemakethe bakhomba ukuthi le mithethonqubo, okungenzeka ukuthi izoqala ukusebenza ekuqaleni kuka-2026, izodinga imibhalo ethuthukisiwe yokuthunyelwa kwamanye amazwe kwamapayipi ensimbi yekhabhoni, amapayipi ensimbi ahlanganisiwe, kanye namapayipi angenamthungo ensimbi engagqwali. Le nqubomgomo ihlose ukwenza ukulawulwa kwekhwalithi kube ngokwejwayelekile kulo lonke izwe.I-API 5L, I-ASTM A106, I-ASTM A335 P11/P22, kanye nezigaba zemikhiqizo ye-ASTM A312 TP304/TP316L ngenkathi kukhulunywa ngezinkinga zokuhweba kwamanye amazwe.
Ukuguquguquka Kwemakethe KaDisemba kanye Nemikhuba Yokuphela Konyaka
Izimo zamanje zemakethe zibonisa ukuzinza ngemva kokulungiswa kukaNovemba, njengoba izinqolobane zamapayipi angenamthungo zehla cishe ngo-8.2% ezindaweni ezinkulu zokukhiqiza zaseShayina. Umkhakha wamapayipi kawoyela negesi ugcina isidingo esiqhubekayo samapayipi omugqa kanye nemikhiqizo ye-OCTG, kuyilapho amaphrojekthi okukhiqiza ugesi eqhubeka nokuthola amapayipi ebhoyila anomfutho ophezulu kanye namapayipi okushintshanisa ukushisa. Kodwa-ke, abaphathi bokuthenga babika izikhathi zokuhola ezengeziwe zezinsuku ezingama-50-65 zamapayipi angenamthungo anobubanzi obukhulu kanye namapayipi ensimbi akhethekile njengoba imishini iqeda ama-oda akhona ngaphambi kokushintsha kwenqubomgomo okungenzeka.
Umthelela Wenqubomgomo Olindelwe Emaketangeni Omhlaba Wonke Wokunikezela
Ochwepheshe bemboni babikezela ukuthi uhlelo lwelayisensi yokuthumela kwamanye amazwe oluzayo luzothinta kakhulu lezi zindawo:
Izidingo Zesitifiketi: Ukuqinisekiswa Okuthuthukisiwe Kwezitifiketi Zokuhlolwa Kwe-Mill (MTC) kanye nemibhalo yokulandelela izinto
Izindinganiso Zokuthobela Imithetho: Ukunamathela ngokuqinile ezicacisweni ze-API, i-ASTM, kanye ne-EN 10204 3.1/3.2 zamapayipi omshini angenamthungo namapayipi okwakha
Ukuhlela Izinto Ezidingekayo: Ukubambezeleka kwemibhalo okungenzeka kuthinte ukuhlela izitsha kanye nemikhumbi emikhulu yamapayipi ensimbi yekhabhoni kanye namapayipi ensimbi anembile
Isibikezelo Semakethe sekota yokuqala ka-2026 kanye Nezincomo Zamasu
Ikota yokuqala ka-2026 iletha izinselelo kanye namathuba okuthengwa kwamapayipi ensimbi:
Ukuzinza Kwentengo: Izindleko zezinto zokwakha zamapayipi ensimbi angenamthungo kulindeleke ukuthi zihlale zingaphakathi kuka-3-5% wamazinga amanje kuze kube nguMashi 2026
Ukukhula Kwesidingo: Amaphrojekthi engqalasizinda eNingizimu-mpumalanga ye-Asia naseMpumalanga Ephakathi azoqhuba ama-oda amapayipi ensimbi ahlanganisiwe kanye nama-alloy amelana nokugqwala
Izenzo Zamasu:
KuphephileI-ASTM A106 Ibanga BfuthiI-API 5L X52/Izimpahla ze-X60 ngaphambi kukaDisemba 25
Cela izinqubo zokuqinisekisa ezibuyekeziwe kubahlinzeki bamapayipi ensimbi engagqwali namapayipi e-duplex
Cabanga ngokuthenga kusengaphambili kwezidingo zekota yokuqala ka-2026 zamashubhu angenamthungo adonswa ngokubandayo namashubhu esilinda se-hydraulic
Ukuguqulwa Kwe-Global Supply Chain
Abathengi bamazwe ngamazwe basebenzisa amasu ahlukahlukene ukuze babhekane nokushintsha kwesimo:
Ukuhlukahluka: Ukuthola amapayipi angenamthungo ezikhungweni zokukhiqiza ezihlukile ngenkathi kugcinwa abahlinzeki bamapayipi ensimbi yekhabhoni aseShayina ukuze bathole amamaki ajwayelekile angabizi kakhulu
Ukulungiselela Amadokhumenti: Ukuqoqwa Kwasekuqaleni Kwezitifiketi Zokuqala (CO) kanye Nezitifiketi Zekhwalithi (CQ) zokuthunyelwa kwamapayipi kawoyela negesi
Ukuphathwa Kwempahla: Ukwakha amasheya okuphepha ezinsuku ezingama-30-45I-ASTM A53 Ibanga Bkanye nemikhiqizo ye-API 5CT yamaphrojekthi okulungisa abalulekile
Ubuchwepheshe kanye Nentuthuko Yekhwalithi
Naphezu kokungaqiniseki kwenqubomgomo, ukusungula izinto ezintsha zokukhiqiza kuyaqhubeka nokuthuthuka:
Izinhlelo zokuhlola ezizenzakalelayo manje sezifinyelela ekutholakaleni kwamaphutha angu-99.2% emapayipini ensimbi angenamthungo ukuze kusetshenziswe izinhlelo ezibalulekile
Izinqubo zokwelapha ukushisa ezithuthukisiwe zithuthukisa izici zokusebenza kweI-ASTM A335 P91kanye nama-alloy e-ASTM A213 T92
Ukulandelela kwedijithali kunikeza umlando ophelele wezinto ezibonakalayo zemikhiqizo ye-OCTG kanye nepayipi yomugqa
Izixazululo Zethu Zokushintsha Izimo Zemakethe
Sinikeza ukwesekwa okuphelele kokuthengwa kwamapayipi ensimbi phakathi kwemithetho eshintshashintshayo:
Ukuzulazula Kwenqubomgomo: Isiqondiso esibuyekeziwe mayelana nezidingo zelayisensi yokuthumela kwamanye amazwe yokuthunyelwa kwamapayipi angenamthungo kanye namapayipi ahlanganisiwe
Ukuqinisekiswa Kwekhwalithi: Ukuhambisana okuqinisekisiwe nezindinganiso zomhlaba wonke zamapayipi ensimbi yekhabhoni, amapayipi ensimbi e-alloy, namapayipi ensimbi engagqwali
Ukuphathwa Kwezinketho Zokuthenga: Ukuhlela okuthembekile kwezimpahla zamapayipi amakhulu kanye namapayipi ensimbi akhiwe ngendlela ehlelekile
Izinsizakalo Zokubhala Amadokhumenti: Amaphakheji aphelele okuqinisekisa amashubhu ebhoyila, amashubhu okushintshanisa ukushisa, kanye namashubhu omshini
Izenzo Ezisheshayo Zabathengi
Ukuqinisekisa ukuhlinzekwa kwamapayipi ensimbi angenamthungo ngaphandle kokuphazamiseka ngesikhathi sokushintsha kwenqubomgomo:
Hlela ukubonisana kwe-I-ASTM A106, I-API 5L, kanye nezidingo zomkhiqizo we-ASTM A312
Thumela izicelo zamadokhumenti kusenesikhathi zezitifiketi ze-MTC, CO, kanye ne-CQ
Buyekeza izidingo zephrojekthi ye-Q1 2026 yamapayipi anembile, amapayipi okudlulisa, kanye namapayipi amelana nokugqwala
Isiphetho: Ukuhlela Okusebenzayo Kokuguqulwa Kwemakethe
Ukuqaliswa kwelayisensi yokuthumela kwamanye amazwe okulindelekile kumelela kokubili izidingo zokuthobela imithetho kanye namathuba okuqinisekisa ikhwalithi yokuthengwa kwamapayipi ensimbi. Ngokusungula imikhuba yokubhala esobala kanye nokuqinisa ubudlelwano nabaphakeli manje, abathengi bamazwe ngamazwe bangaphatha ngempumelelo ushintsho lwenqubomgomo ngenkathi bethola izimpahla ezithembekile zamapayipi ensimbi angenamthungo, amapayipi ensimbi yekhabhoni, kanye namapayipi e-alloy akhethekile kumaphrojekthi ka-2026.
Xhumana nethimba lethu lokuthengisa lamazwe ngamazwe ukuze uthole ukuhlaziywa okwenziwe ngokwezifiso kokuthi lezi zinguquko zithinta kanjani ipayipi lakho elingenamthungo, ipayipi elihlanganisiwe, kanye nezidingo zomkhiqizo wepayipi. Sihlinzeka ngezibuyekezo zemakethe, ukuchazwa kwenqubomgomo, kanye nokuthuthukiswa kwamasu okuthenga amapayipi kawoyela negesi, izinhlelo zokuphehla ugesi, kanye nezinhlelo zokusebenza zezimboni.
I-ASTM A106 Gr.BIpayipi lensimbi elingenamthungo liyipayipi elingenamthungo lensimbi yekhabhoni elinokushisa okuphezulu ku-American Society for Testing and Materials standard, elivame ukusetshenziselwa ukuthuthwa koketshezi ngaphansi kokushisa okuphezulu kanye nendawo yokucindezela okuphezulu. Izinto ezihambisanayo eShayina zibhekisela kakhulu kumazinga kazwelonke aseShayina (GB) kanye namazinga embonini, futhi zidinga ukufaniswa ngezindlela ezintathu: ukwakheka kwamakhemikhali, izakhiwo zemishini, kanye nezimo zokusetshenziswa.
Ngokuvamile kunezinketho ezimbili zokuqhathanisa izinto zasekhaya:
Izinto zokuqala ezihambisanayo: insimbi engu-20 (GB/T 8163)
Insimbi engu-20 iyinsimbi evamile yesakhiwo sekhabhoni, okuyizinto ezivamile ku-GB/T8163 standard futhi ifanele ukuthuthwa koketshezi olujwayelekile. Ukuqhathaniswa kokwakheka kwamakhemikhali: I-ASTM A106 Gr.B inokuqukethwe kwekhabhoni (C) okungu-0.17-0.24%, kanye ne-manganese (Mn) okungu-0.29-1.06%; Insimbi engu-20 inokuqukethwe kwekhabhoni okungu-0.17-0.24%, kanye nokuqukethwe kwe-manganese okungu-0.35-0.65%. Okuqukethwe kwekhabhoni kwalaba ababili kusondelene, kodwa okuqukethwe kwe-manganese kwe-ASTMA106 Gr.Binomkhawulo ophezulu ophezulu kanye nokusebenza okungcono kwezinga lokushisa eliphezulu.
Ukuqhathaniswa kwezakhiwo zemishini: I-ASTM A106 Gr.B inamandla okudonsa angu->415MPa kanye namandla okudonsa angu->240MPa; insimbi engu-20 inamandla okudonsa angu->410MPa kanye namandla okudonsa angu->245MPa. Idatha iyafana kodwa amazinga okushisa afanele ahlukile.
Imikhawulo yokusetshenziswa: Insimbi engu-20 ifanelekela izimo zokusebenza ezinokushisa okuklanywe ngaphansi kuka-350℃ kanye nomfutho ophansi. Uma isetshenziselwa ukushisa okuphezulu kanye nomfutho ophezulu (njengamapayipi ebhoyila), kufanele kukhethwe izinto ezisezingeni eliphezulu.
Izinto zesibili ezihambisanayo: 20G (I-GB 5310)
I-20G iyipayipi lensimbi elingenamthungo lama-boiler anomfutho ophezulu, elihambisana nezindinganiso ze-GB 5310 futhi lifanele izinhlelo zomusi ezishisa kakhulu nezinomfutho ophezulu.
Ukuqhathaniswa kokwakheka kwamakhemikhali:20Ginokuqukethwe kwekhabhoni okungu-0.17-0.24%, okuqukethwe kwe-manganese okungu-0.35-0.65%, kanye nokulawulwa okuqinile kokuqukethwe kwe-phosphorus ne-sulfur, okuhambisana kakhulu nezinkomba ze-ASTMA106 Gr.B.
Ukuqhathaniswa kwezakhiwo zemishini: Amandla okudonswa kwe-20G angama-≥410MPa, futhi amandla ayo okukhiqiza angama->245MPa, okucishe kufane ne-ASTM A106 Gr.B, futhi izinga lokushisa lokusebenza elivumelekile lifinyelela ku-450℃.
Izimo Zokusebenza: I-20G ivame ukusetshenziswa kumapayipi ebhoyila ezitshalweni zamandla ezishisayo kanye nemishini yamakhemikhali enomfutho ophezulu, futhi ingathatha indawo ye-ASTM A106 Gr.B ngezimo ezifanayo zokusebenza.
Izinyathelo zokuvikela ukufaka esikhundleni 1. Umehluko ojwayelekile: I-ASTM A106 Gr.B idinga ukuhlolwa kokudonswa okuguquguqukayo kanye nokuhlolwa kokuthamba, kuyilapho i-GB/T 8163 idinga ukuhlolwa kokudonswa okude kuphela. Lapho kufakwa esikhundleni, kuyadingeka ukuqinisekisa ukuthi izinto zokuhlola ziyahlangabezana yini nezidingo.
2. Izidingo zokwelapha ukushisa: I-ASTM A106 Gr.B ivame ukulethwa isesimweni sokugoqwa okushisa, i-20G idinga ukwelashwa okuvamile, futhi inqubo idinga ukulungiswa uma ishintshwa.
3. Izidingo zesitifiketi: Uma iphrojekthi yokuthumela ngaphandle ichaza izinto ezijwayelekile zaseMelika, kuyadingeka ukuqinisekisa nekhasimende ukuthi ngabe ukufakwa kwendinganiso kazwelonke kuyamukelwa yini. Amanye amaphrojekthi angadinga ukuhlolwa okwengeziwe komuntu wesithathu.
Icala lesicelo esiwusizo
Ibhizinisi lamakhemikhali kaphethiloli lithenge amapayipi e-ASTM A106 Gr.B okuthutha uwoyela okushisa okuphezulu. Ngenxa yomjikelezo omude wokulethwa, lashintshela ezintweni ezingu-20G. Ngemva kokuhlolwa komuntu wesithathu, ukuqina komthelela (-20℃ KV2234J) kanye namandla okushisa aphezulu (amandla okukhiqiza>180MPa ku-450℃) angu-20G kwahlangabezana nezidingo zomklamo, futhi iphrojekthi yamukelwa.
Isifinyezo
I-ASTM A106 Gr.B ingahambisana nensimbi engu-20 (izimo zokusebenza ezijwayelekile) noma engu-20G (izimo zokusebenza zokushisa okuphezulu kanye nokucindezela okuphezulu) eShayina. Lapho ushintsha, kuyadingeka ukuhlanganisa izinga lokushisa elithile, ingcindezi kanye nezindinganiso zokuhlola. Kunconywa ukuthi kunikezwe kuqala izinto ezingu-20G, ezakhiwe ngamakhemikhali kanye nokusebenza kwazo okusondele kakhulu ezidingweni ezijwayelekile zase-US futhi zinezinhlelo zokusebenza eziningi.
Isikhathi sokuthunyelwe: Disemba 17-2025
